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GPP Green Plains Partners

Document and Entity Information

Document and Entity Information - shares3 Months Ended
Mar. 31, 2021Apr. 29, 2021
Document and Entity Information [Abstract]
Document type10-Q
Document period end dateMar. 31,
2021
Document fiscal period focusQ1
Document fiscal year focus2021
Document Quarterly Reporttrue
Document Transition Reportfalse
Entity registrant nameGreen Plains PARTNERS LP
Entity Incorporation, State or Country CodeDE
Entity File Number001-37469
Entity Address, Address Line One1811 Aksarben Drive
Entity Address, City or TownOmaha
Entity Address, State or ProvinceNE
Entity Address, Postal Zip Code68106
City Area Code402
Local Phone Number884-8700
Title of 12(b) SecurityCommon Units, Representing Limited Partner Interests
Trading symbolGPP
Security Exchange NameNASDAQ
Entity Current Reporting StatusYes
Entity Interactive Data CurrentYes
Entity Tax Identification Number47-3822258
Entity Filer CategoryAccelerated Filer
Entity Small Businessfalse
Entity Emerging Growth Companyfalse
Entity Shell Companyfalse
Entity common stock, shares outstanding23,208,171
Entity central index key0001635650
Current fiscal year end date--12-31
Amendment flagfalse

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in ThousandsMar. 31, 2021Dec. 31, 2020
Current assets
Cash and cash equivalents $ 71 $ 2,478
Accounts receivable1,163 605
Accounts receivable from affiliates13,389 14,139
Prepaid expenses and other627 772
Total current assets15,250 17,994
Property and equipment, net of accumulated depreciation and amortization of $34,845 and $34,301, respectively31,062 32,119
Operating lease right-of-use assets43,545 40,604
Goodwill10,598 10,598
Investment in equity method investee4,169 3,994
Other assets1 11
Total assets104,625 105,320
Current liabilities
Accounts payable4,287 3,792
Accounts payable to affiliates135 607
Accrued and other liabilities2,422 4,527
Asset retirement obligations776 911
Operating lease current liabilities12,232 11,506
Current maturities of long-term debt61,104 97,739
Total current liabilities80,956 119,082
Asset retirement obligations3,072 2,865
Operating lease long-term liabilities32,137 29,835
Total liabilities116,165 151,782
Commitments and contingencies (Note 9)
Partners' deficit
Total partners' deficit(11,540)(46,462)
Total liabilities and partners' deficit104,625 105,320
General Partner [Member]
Partners' deficit
Total partners' deficit(220)(917)
Common Units - Public [Member] | Limited Partners [Member]
Partners' deficit
Total partners' deficit128,771 124,823
Common Units - Green Plains [Member] | Limited Partners [Member]
Partners' deficit
Total partners' deficit $ (140,091) $ (170,368)

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in ThousandsMar. 31, 2021Dec. 31, 2020
Property and equipment, accumulated depreciation and amortization $ 34,845 $ 34,301
Common Units - Public [Member] | Limited Partners [Member]
Units issued11,621,623 11,621,623
Units outstanding11,621,623 11,621,623
Common Units - Green Plains [Member] | Limited Partners [Member]
Units issued11,586,548 11,586,548
Units outstanding11,586,548 11,586,548

Consolidated Statements of Oper

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands3 Months Ended
Mar. 31, 2021Mar. 31, 2020
Revenues
Total revenues $ 20,406 $ 20,271
Operating expenses
Operations and maintenance (excluding depreciation and amortization reflected below)5,754 6,160
General and administrative1,201 1,044
Depreciation and amortization887 961
Total operating expenses7,842 8,165
Operating income12,564 12,106
Interest expense(1,928)(1,864)
Income before income taxes and income from equity method investee10,636 10,242
Income tax expense(84)(31)
Income from equity method investee175 158
Net income10,727 10,369
Affiliate [Member]
Revenues
Total revenues19,309 18,983
Non-affiliate [Member]
Revenues
Total revenues1,097 1,288
General Partner [Member]
Operating expenses
Net income215 207
Limited Partners [Member] | Common Units [Member]
Operating expenses
Net income $ 10,512 $ 10,162
Earnings per limited partner unit (basic and diluted):
Earnings per limited partner unit - basic and diluted $ 0.45 $ 0.44
Weighted average limited partner units outstanding (basic and diluted):
Weighted-average units outstanding - basic and diluted23,161 23,138

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands3 Months Ended
Mar. 31, 2021Mar. 31, 2020
Cash flows from operating activities:
Net income $ 10,727 $ 10,369
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization887 961
Accretion73 62
Amortization of debt issuance costs565 233
Unit-based compensation79 79
Income from equity method investee(175)(158)
Changes in operating assets and liabilities before effects of asset dispositions:
Accounts receivable(558)333
Accounts receivable from affiliates1,250 226
Prepaid expenses and other assets145 44
Accounts payable and accrued liabilities(1,713)1,093
Accounts payable to affiliates(589)(83)
Operating lease liabilities and right-of-use assets87 97
Other10 5
Net cash provided by operating activities10,788 13,261
Cash flows from investing activities:
Purchases of property and equipment(153)(22)
Disposition of assets27,000
Net cash provided by (used in) investing activities26,847 (22)
Cash flows from financing activities:
Payments of distributions(2,842)(11,280)
Proceeds from revolving credit facility1,200 22,200
Payments on revolving credit facility(900)(24,100)
Principal payments on long-term debt(37,500)
Payments of loan fees(56)
Net cash used in financing activities(40,042)(13,236)
Net change in cash and cash equivalents(2,407)3
Cash and cash equivalents, beginning of period2,478 261
Cash and cash equivalents, end of period71 264
Supplemental disclosures of cash flow
Cash paid for income taxes110 78
Cash paid for interest1,463 $ 1,537
Non-cash investing activities:
Disposition of assets in accounts receivable from affiliates $ 500

Basis of Presentation, Descript

Basis of Presentation, Description of Business and Summary of Significant Accounting Policies3 Months Ended
Mar. 31, 2021
Basis of Presentation, Description of Business and Summary of Significant Accounting Policies [Abstract]
Basis of Presentation, Description of Business and Summary of Significant Accounting Policies1. BASIS OF PRESENTATION, DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization References to “the partnership” in the consolidated financial statements and notes to the consolidated financial statements refer to Green Plains Partners LP and its subsidiaries. Green Plains Holdings LLC, a wholly owned subsidiary of Green Plains Inc., serves as the general partner of the partnership. References to (i) “the general partner” and “Green Plains Holdings” refer to Green Plains Holdings LLC; (ii) “the parent,” “the sponsor” and “Green Plains” refer to Green Plains Inc.; and (iii) “Green Plains Trade” refers to Green Plains Trade Group LLC, a wholly owned subsidiary of Green Plains. Consolidated Financial Statements The consolidated financial statements include the accounts of the partnership and its controlled subsidiaries. All significant intercompany balances and transactions are eliminated on a consolidated basis for reporting purposes. Results for the interim periods presented are not necessarily indicative of the expected results for the entire year. The accompanying unaudited consolidated financial statements are prepared in accordance with GAAP for interim financial information and instructions to Form 10-Q and Article 10 of Regulation S-X. Because they do not include all of the information and footnotes required by GAAP, the consolidated financial statements should be read in conjunction with the partnership’s 2020 annual report on Form 10-K for the year ended December 31, 2020, as filed with the SEC on February 16, 2021. The partnership accounts for its interest in joint ventures using the equity method of accounting, with its investment recorded at the acquisition cost plus the partnership’s share of equity in undistributed earnings and reduced by the partnership’s share of equity in undistributed losses and distributions received. Use of Estimates in the Preparation of Consolidated Financial Statements Preparation of the consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported assets and liabilities, disclosure of contingent assets and liabilities at the date of the consolidated financial statements, and revenues and expenses during the reporting period. The partnership bases its estimates on historical experience and assumptions it believes are proper and reasonable under the circumstances. The partnership regularly evaluates the appropriateness of these estimates and assumptions. Actual results could differ from those estimates. Key accounting policies, including, but not limited to, those related to revenue recognition, leases, depreciation of property and equipment, asset retirement obligations, and impairment of long-lived assets and goodwill are impacted significantly by judgments, assumptions and estimates used to prepare the consolidated financial statements. Description of Business The partnership provides fuel storage and transportation services by owning, operating, developing and acquiring ethanol and fuel storage terminals, transportation assets and other related assets and businesses. The partnership is its parent’s primary downstream logistics provider to support the parent’s approximately 0.96 bgy ethanol marketing and distribution business since the partnership’s assets are the principal method of storing and delivering the ethanol its parent produces. The ethanol produced by the parent is predominantly fuel grade, made principally from starch extracted from corn, and is primarily used for blending with gasoline. Ethanol currently comprises approximately 10 % of the U.S. gasoline market and is an economical source of octane and oxygenates for blending into the fuel supply. The partnership does not take ownership of, or receive any payments based on the value of the ethanol, other fuels or products it handles. As a result, the partnership does not have any direct exposure to fluctuations in commodity prices. Revenue Recognition The partnership recognizes revenue when obligations under the terms of a contract with a customer are satisfied. Generally, this occurs with the completion of services or the transfer of control of products to the customer or another specified third party. For contracts with customers in which a take-or-pay commitment exists, any minimum volume deficiency charges are recognized as revenue in the period incurred and are not allowed to be credited towards excess volumes in future periods. The partnership generates a substantial portion of its revenues under fee-based commercial agreements with Green Plains Trade. Operating lease revenue related to minimum volume commitments is recognized on a straight-line basis over the term of the lease. Under the terms of the storage and throughput agreement with Green Plains Trade, to the extent shortfalls associated with minimum volume commitments in the previous four quarters continue to exist, volumes in excess of the minimum volume commitment are applied to those shortfalls. Remaining excess volumes generating operating lease revenue are recognized as incurred. Please refer to Note 2 - Revenue to the consolidated financial statements for further details. Operations and Maintenance Expenses The partnership’s operations and maintenance expenses consist primarily of lease expenses related to the transportation assets, labor expenses, outside contractor expenses, insurance premiums, repairs and maintenance expenses, and utility costs. These expenses also include fees for certain management, maintenance and operational services to support the storage and terminal facilities, trucks, and leased railcar fleet allocated by Green Plains under the operational services and secondment agreement. Concentrations of Credit Risk In the normal course of business, the partnership is exposed to credit risk resulting from the possibility a loss may occur due to failure of another party to perform according to the terms of their contract. The partnership provides fuel storage and transportation services for various parties with a significant portion of its revenues earned from Green Plains Trade. The partnership continually monitors its credit risk exposure and concentrations. Please refer to Note 2 – Revenue and Note 10 – Related Party Transactions to the consolidated financial statements for additional information . Impairment of Long-Lived Assets and Goodwill The partnership reviews its long-lived assets, currently consisting primarily of property and equipment and operating lease right-of-use assets, for impairment when events or changes in circumstances indicate that the carrying amount of a long-lived asset may not be recoverable. Recoverability of assets to be held and used is measured by comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset. No impairment charges were recorded for the periods reported.   The partnership’s goodwill currently is comprised of amounts recognized by the MLP predecessor related to terminal services assets. The partnership reviews goodwill at the reporting unit level for impairment at least annually, as of October 1, or more frequently when events or changes in circumstances indicate that impairment may have occurred. Leases The partnership leases certain facilities, parcels of land, and railcars. These leases are accounted for as operating leases, with lease expense recognized on a straight-line basis over the lease term. The term of the lease may include options to extend or terminate the lease when it is reasonably certain that such options will be exercised. For leases with initial terms greater than 12 months, the partnership records operating lease right-of-use assets and corresponding operating lease liabilities. Leases with an initial term of 12 months or less are not recorded on the consolidated balance sheet. The partnership had no short-term lease expense for the three months ended March 31, 2021 or 2020. Operating lease right-of-use assets represent the right to control an underlying asset for the lease term and operating lease liabilities represent the obligation to make lease payments arising from the lease. These assets and liabilities are recognized at the commencement date based on the present value of lease payments over the lease term. As the partnership’s leases do not provide an implicit rate, the incremental borrowing rate is used based on information available at commencement date to determine the present value of future payments. The partnership utilizes a portfolio approach for lease classification, which allows for an entity to group together leases with similar characteristics provided that its application does not create a material difference when compared to accounting for the leases at a contract level. For the partnership’s railcar leases, the partnership combines the railcars within each contract rider and accounts for each contract rider as an individual lease. From a lessee perspective, the partnership combines both the lease and non-lease components and accounts for them as one lease. Certain of the partnership’s railcar agreements provide for maintenance costs to be the responsibility of the partnership as incurred or charged by the lessor. This maintenance cost is a non-lease component that the partnership combines with the monthly rental payment and accounts for the total cost as operating lease expense. In addition, the partnership has a land lease that contains a non-lease component for the handling and unloading services the landlord provides. The partnership combines the cost of services with the land lease cost and accounts for the total as operating lease expense. The partnership records operating lease revenue as part of its operating lease agreements for storage and throughput services, rail transportation services, and certain terminal services. In addition, the partnership may sublease certain of its railcars to third parties on a short-term basis. These subleases are classified as operating leases, with the associated sublease revenue recognized on a straight-line basis over the lease term. From a lessor perspective, the partnership classifies certain costs as lease costs for accounting purposes, which may differ from a tax or legal perspective. The partnership combines both the lease and non-lease components and accounts for them as one lease. The storage and throughput agreement consists of costs paid by Green Plains Trade for the rental of the terminal facilities, which for accounting purposes are treated as lease costs, as well as other costs for the throughput services provided by the partnership, which are treated as non-lease costs. For this agreement, the partnership combines the facility rental revenue and the service revenue and accounts for the total as leasing revenue. Similarly, the railcar transportation services agreement consists of costs paid by Green Plains Trade for the use of the partnership’s railcar assets, which are treated as lease costs for accounting purposes, as well as costs for logistical operations management and other services, which are treated as non-lease costs. For this agreement, the partnership combines the railcar rental revenue and the service revenue and accounts for the total as leasing revenue. Please refer to Note 9 – Commitments and Contingencies to the consolidated financial statements for further details on operating lease expense and revenue. Please refer to Note 2 - Revenue to the consolidated financial statements for further details on the operating lease agreements in which the partnership is a lessor. Asset Retirement Obligations The partnership records an ARO for the fair value of the estimated costs to retire a tangible long-lived asset in the period incurred if it can be reasonably estimated, which is subsequently adjusted for accretion expense. Corresponding asset retirement costs are capitalized as a long-lived asset and depreciated on a straight-line basis over the asset’s remaining useful life. The expected present value technique used to calculate the fair value of the AROs includes assumptions about costs, settlement dates, interest accretion, and inflation. Changes in assumptions, such as the amount or timing of estimated cash flows, could increase or decrease the AROs. The partnership’s AROs are based on legal obligations to perform remedial activity related to land, machinery and equipment when certain operating leases expire. Segment Reporting The partnership accounts for segment reporting in accordance with ASC 280, Segment Reporting , which establishes standards for entities reporting information about the operating segments and geographic areas in which they operate. Management evaluated how its chief operating decision maker has organized the partnership for purposes of making operating decisions and assessing performance, and concluded it has one reportable segment. Recent Accounting Pronouncements In March 2020, the FASB issued amended guidance in ASC 848, Reference Rate Reform Facilitation of the Effects of Reference Rate Reform on Financial Reporting, and a subsequent update in January 2021, which provides optional expedients and exceptions to U.S. GAAP guidance on contract modifications and hedge accounting to ease the financial reporting burden related to the expected market transition from LIBOR and other interbank offered rates to alternative reference rates. The expedients and exceptions provided by the amended guidance do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship. The guidance is effective upon issuance and to be applied prospectively from any date beginning March 12, 2020 through December 31, 2022. The amended guidance is not expected to have a material impact on the partnership’s consolidated financial statements.

Revenue

Revenue3 Months Ended
Mar. 31, 2021
Revenue [Abstract]
Revenue2. REVENUE Revenue Recognition The partnership recognizes revenue when obligations under the terms of a contract with a customer are satisfied. Generally, this occurs with the completion of services or the transfer of control of products to the customer or another specified third party. Revenue is measured as the amount of consideration expected to be received in exchange for providing services. Revenue by Source The following table disaggregates our revenue by major source (in thousands): Three Months Ended March 31, 2021 2020 Revenues Service revenues Terminal services $ 2,002 $ 2,085 Trucking and other 1,061 1,168 Total service revenues 3,063 3,253 Leasing revenues (1) Storage and throughput services 12,261 11,785 Railcar transportation services 5,042 5,124 Terminal services 40 109 Total leasing revenues 17,343 17,018 Total revenues $ 20,406 $ 20,271 (1) Leasing revenues do not represent revenues recognized from contracts with customers under ASC 606, Revenue from Contracts with Customers , and are accounted for under ASC 842, Leases . Terminal Services Revenue The partnership provides terminal services and logistics solutions to Green Plains Trade, and other customers, through its fuel terminal facilities under various terminal service agreements, some of which have minimum volume commitments. Revenue generated by these terminals is disaggregated between service revenue and leasing revenue. If Green Plains Trade, or other customers, fail to meet their minimum volume commitments during the applicable term, a deficiency payment equal to the deficient volume multiplied by the applicable fee will be charged. Deficiency payments related to the partnership’s terminal services revenue may not be utilized as credits toward future volumes. At terminals where customers have shared use of terminal and tank storage assets, revenue is generated from contracts with customers and accounted for as service revenue. This service revenue is recognized at the point in time when product is withdrawn from tank storage. At terminals where a customer is predominantly provided exclusive use of the terminal or tank storage assets, the partnership is considered a lessor as part of an operating lease agreement. Revenue is recognized over the term of the lease based on the minimum volume commitment or total actual throughput if in excess of the minimum volume commitment. Trucking and Other Revenue The partnership transports ethanol, natural gasoline, other refined fuels and feedstocks by truck from identified receipt points to various delivery points. Trucking revenue is recognized over time based on the percentage of total miles traveled, which is on average less than 100 miles. Railcar Transportation Services Revenue Under the rail transportation services agreement, Green Plains Trade is obligated to use the partnership to transport ethanol and other fuels from receipt points identified by Green Plains Trade to nominated delivery points. Green Plains Trade is required to pay the partnership fees for the minimum railcar volumetric capacity provided, regardless of utilization of that capacity. However, Green Plains Trade is not charged for railcar volumetric capacity that is not available for use due to inspections, upgrades or routine repairs and maintenance. Revenue associated with the rail transportation services fee is considered leasing revenue and is recognized over the term of the lease based on the actual average daily railcar volumetric capacity provided. The partnership may also charge Green Plains Trade a related services fee for logistical operations management of railcar volumetric capacity utilized by Green Plains Trade which is not provided by the partnership. Revenue associated with the related services fee is also considered leasing revenue and recognized over the term of the lease based on the average volumetric capacity for which services are provided. Storage and Throughput Revenue The partnership generates leasing revenue from its storage and throughput agreement with Green Plains Trade based on contractual rates charged for the handling, storage and throughput of ethanol. Under this agreement, Green Plains Trade is required to pay the partnership a fee for a minimum volume commitment regardless of the actual volume delivered. If Green Plains Trade fails to meet its minimum volume commitment during any quarter, the partnership will charge Green Plains Trade a deficiency payment equal to the deficient volume multiplied by the applicable fee. The deficiency payment may be applied as a credit toward volumes delivered by Green Plains Trade in excess of the minimum volume commitment during the following four quarters, after which time any unused credits will expire. Revenue is recognized over the term of the lease based on the minimum volume commitment or total actual throughput if in excess of the minimum volume commitment and no deficiency related credits are available for use. Payment Terms The partnership has standard payment terms, which vary depending on the nature of the services provided, with the majority of terms falling within 10 to 30 days after transfer of control or completion of services. Contracts generally do not include a significant financing component in instances where the timing of revenue recognition differs from the timing of invoicing. Major Customers Revenue from Green Plains Trade Group was $ 19.3 million and $ 19.0 million for the three months ended March 31, 2021 and 2020, respectively, which exceeds 10 % of the partnership’s total revenue. Contract Liabilities The partnership records unearned revenue when consideration is received, or such consideration is unconditionally due, from a customer prior to transferring goods or services to the customer under the terms of service and lease agreements. Unearned revenue from service agreements, which represents a contract liability, is recorded for fees that have been charged to the customer prior to the completion of performance obligations, and is generally recognized in the subsequent quarter. The following table reflects the changes in our unearned revenue from service agreements, which is recorded in accrued and other liabilities on the consolidated balance sheets, for the three months ended March 31, 2021 (in thousands): Amount Balance at January 1, 2021 $ 247 Revenue recognized included in beginning balance ( 247 ) Net additions 344 Balance at March 31, 2021 $ 344 The partnership expects to recognize all of the unearned revenue associated with service agreements from contracts with customers as of March 31, 2021, in the subsequent quarter when the product is withdrawn from tank storage.

Debt

Debt3 Months Ended
Mar. 31, 2021
Debt [Abstract]
Debt3. DEBT Credit Facility Green Plains Operating Company has a credit facility to fund working capital, capital expenditures and other general partnership purposes. The credit facility includes a $ 130.0 million term loan and a $ 5.0 million revolving credit facility maturing on December 31, 2021 . Monthly principal payments increase from $ 2.5 million to $ 3.2 million beginning May 15, 2021 through maturity. As of March 31, 2021, the term loan had a balance of $ 62.5 million and an interest rate of 5.75 %, and there was a swing line loan outstanding of $ 0.3 million at an interest rate of 7.00 %. In certain situations the partnership is required to make prepayments on the outstanding principal balance on the credit facility. If at any time subsequent to July 15, 2020, the partnership’s cash balance exceeds $ 2.5 million for more than five consecutive business days, prepayments of outstanding principal are required in an amount equal to the excess cash. The partnership is also required to prepay outstanding principal on the credit facility with 100 % of net cash proceeds from any asset disposition or recovery event. Any prepayments on the term loan are applied to the remaining principal balance in inverse order of maturity, including the final payment. The partnership made $ 37.5 million in principal payments on the term loan during the three months ended March 31, 2021, including $ 7.5 million of scheduled repayments, $ 27.0 million related to the sale of the storage assets located adjacent to the Ord, Nebraska ethanol plant and a $ 3.0 million prepayment made with excess cash. As of March 31, 2021, no additional prepayments on the term loan were required. The term loan balance, and any advances on the revolver, are subject to a floating interest rate based on a 1.00 % LIBOR floor plus 4.50 % to 5.25 % dependent upon the preceding fiscal quarter’s consolidated leverage ratio. Since the credit facility was amended in June 2020, p repayments of $ 40.0 million in excess of the scheduled monthly payments were made prior to April 1, 2021, and as such, the interest rate associated with the term loan balance will not be increased to a floating rate based on a 1.00 % LIBOR floor plus 5.00 % to 5.75 %. The unused portion of the revolver is subject to a commitment fee of 0.50 % payable quarterly. The credit facility also allows for swing line loans subject to the revolver availability. Swing line loans are subject to a floating interest rate based on the Prime Rate plus 3.50 % to 4.25 % dependent upon the preceding fiscal quarter’s consolidated leverage ratio. The partnership’s obligations under the credit facility are secured by a first priority lien on (i) the equity interests of the partnership’s present and future subsidiaries, (ii) all of the partnership’s present and future personal property, such as investment property, general intangibles and contract rights, including rights under any agreements with Green Plains Trade, (iii) all proceeds and products of the equity interests of the partnership’s present and future subsidiaries and its personal property and (iv) substantially all of the partnership’s real property and material leases of real property. The terms impose affirmative and negative covenants, including restrictions on the partnership’s ability to incur additional debt, acquire and sell assets, create liens, invest capital, pay distributions and materially amend the partnership’s commercial agreements with Green Plains Trade. The credit facility also requires the partnership to maintain a maximum consolidated leverage ratio and a minimum consolidated debt service coverage ratio, each of which is calculated on a pro forma basis with respect to acquisitions and divestitures occurring during the applicable period. The maximum consolidated leverage ratio required, as of the end of any fiscal quarter, is no more than 3.00 x and decreases 0.25 x each quarter to 1.50 x by December 31, 2021. The minimum consolidated debt service coverage ratio for the three months ended March 31, 2021, was set to 1.05 x due to the partnership having completed prepayment of at least $ 40.0 million of the outstanding principal balance on the credit facility as specified in the loan agreement. The minimum debt service coverage ratio will resume being set to 1.10 x for subsequent quarters. The consolidated leverage ratio is calculated by dividing total funded indebtedness by the sum of the four preceding fiscal quarters’ consolidated EBITDA. The consolidated debt service coverage ratio is calculated by taking the sum of the four preceding fiscal quarters’ consolidated EBITDA minus income taxes and consolidated capital expenditures for such period divided by the sum of the four preceding fiscal quarters’ consolidated interest charges plus consolidated scheduled funded debt payments for such period. Under the amended terms of the credit facility, the partnership may make quarterly distribution payments in an aggregate amount not to exceed $ 0.12 per outstanding unit, so long as (i) no default has occurred and is continuing, or would result from payment of the distribution, and (ii) the partnership and its subsidiaries are in compliance with its financial covenants and remain in compliance after payment of the distribution. The partnership had $ 62.8 million and $ 100.0 million of borrowings outstanding under the credit facility as of March 31, 2021, and December 31, 2020, respectively. In addition, the partnership had $ 1.7 million and $ 2.3 million of unamortized debt issuance costs recorded as a direct reduction of the carrying value of the partnership’s long-term debt as of March 31, 2021, and December 31, 2020, respectively. The partnership believes the carrying amount of its debt approximated fair value at both March 31, 2021 and December 31, 2020. The credit facility, which is supported by a group of financial institutions, will mature on December 31, 2021 unless extended by agreement of the lenders or replaced by another funding source. While the partnership has not yet finalized renegotiations of the credit facility or secured additional funding necessary to repay the loan, the partnership believes it is probable that it will source appropriate funding given the partnership’s consistent and stable fee-based cash flows, ongoing profitability, low leverage and history of obtaining financing on reasonable commercial terms. In the unlikely scenario that the partnership is unable to refinance its debt with the lenders prior to its maturity, the partnership will consider other financing sources, including but not limited to, the restructuring or issuance of new debt with a different lending group, the issuance of additional common units, other strategic actions to extinguish the debt, or support from Green Plains. Covenant Compliance The partnership, including all of its subsidiaries, was in compliance with its debt covenants as of March 31, 2021.

Dispositions

Dispositions3 Months Ended
Mar. 31, 2021
Dispositions [Abstract]
Dispositions4. DISPOSITIONS Ord Disposition On March 22, 2021, Green Plains closed on the sale of its ethanol plant located in Ord, Nebraska to GreenAmerica Biofuels Ord LLC. Correspondingly, the partnership’s storage assets located adjacent to the Ord plant were sold to Green Plains for $ 27.0 million, along with the transfer of associated railcar operating leases. In addition, as of March 31, 2021, the partnership had a receivable of $ 0.5 million for amounts owed from Green Plains as a result of a purchase price adjustment based on additional railcars being transferred to Green Plains’ buyer as part of the transaction. This transaction was accounted for as a transfer between entities under common control and was approved by the conflicts committee. There were no material transaction costs recorded for the disposition. The following is a summary of assets and liabilities disposed of or assumed (in thousands): Total consideration $ 27,500 Identifiable assets and liabilities disposed of (1) : Property and equipment, net 542 Partners' deficit effect $ 26,958 (1) The operating lease right-of-use assets and lease liabilities associated with the railcar operating leases, currently estimated at approximately $ 2.0 million, respectively, will be extinguished upon the assignment of the associated leases to GreenAmerica Biofuels Ord LLC, which had not yet occurred as of March 31, 2021. In conjunction with the disposition, the partnership amended the 1) operational services agreement, 2) ethanol storage and throughput agreement, and 3) rail transportation services agreement. Please refer to Note 10 – Related Party Transactions to the consolidated financial statements for additional information. Hereford Disposition On December 28, 2020, Green Plains closed on the sale of its ethanol plant located in Hereford, Texas to Hereford Ethanol Partners, L.P. Correspondingly, the partnership’s storage assets located adjacent to the Hereford plant were sold to Green Plains for $ 10.0 million, along with the transfer of associated railcar operating leases. This transaction was accounted for as a transfer between entities under common control and was approved by the conflicts committee. There were no material transaction costs recorded for the disposition. The following is a summary of assets and liabilities disposed of or assumed (in thousands): Total consideration $ 10,000 Identifiable assets and liabilities disposed of: Property and equipment, net 2,494 Operating lease right-of-use assets 5,094 Operating lease current liabilities ( 976 ) Operating lease long-term liabilities ( 4,200 ) Asset retirement obligations ( 186 ) Total identifiable net assets 2,226 Liabilities assumed 163 Partners' deficit effect $ 7,611 In conjunction with the disposition, the partnership amended the 1) operational services agreement, 2) ethanol storage and throughput agreement, and 3) rail transportation services agreement. Please refer to Note 10 – Related Party Transactions to the consolidated financial statements for additional information.

Unit-Based Compensation

Unit-Based Compensation3 Months Ended
Mar. 31, 2021
Unit-Based Compensation [Abstract]
Unit-Based Compensation5. UNIT-BASED COMPENSATION The partnership has a long-term incentive plan (LTIP) intended to promote the interests of the partnership, its general partner and affiliates by providing unit-based incentive compensation awards to employees, consultants and directors to encourage superior performance. The LTIP reserves 2,500,000 common limited partner units for issuance in the form of options, restricted units, phantom units, distribution equivalent rights, substitute awards, unit appreciation rights, unit awards, profit interest units or other unit-based awards. The partnership measures unit-based compensation at fair value on the grant date, with no adjustments for estimated forfeitures. The partnership records noncash compensation expense related to the awards over the requisite service period on a straight-line basis. There was no change in the number of non-vested unit-based awards for the three months ended March 31, 2021. Compensation costs related to the unit-based awards of $ 79 thousand were recognized during both the three months ended March 31, 2021 and 2020, respectively. As of March 31, 2021, there was $ 80 thousand of unrecognized compensation costs from unit-based compensation awards.

Partners' Deficit

Partners' Deficit3 Months Ended
Mar. 31, 2021
Partners' Deficit [Abstract]
Partners' Deficit6. PARTNERS’ DEFICIT Changes in partners’ deficit are as follows (in thousands): Limited Partners Common Units- Public Common Units- Green Plains General Partner Total Balance, December 31, 2020 $ 124,823 $ ( 170,368 ) $ ( 917 ) $ ( 46,462 ) Quarterly cash distributions to unitholders ($ 0.12 per unit) ( 1,395 ) ( 1,390 ) ( 57 ) ( 2,842 ) Net income 5,264 5,248 215 10,727 Ord disposition - 26,419 539 26,958 Unit-based compensation, including general partner net contributions 79 - - 79 Balance, March 31, 2021 $ 128,771 $ ( 140,091 ) $ ( 220 ) $ ( 11,540 ) Limited Partners Common Units- Public Common Units- Green Plains General Partner Total Balance, December 31, 2019 $ 114,006 $ ( 188,304 ) $ ( 1,449 ) $ ( 75,747 ) Quarterly cash distributions to unitholders ($ 0.475 per unit) ( 5,498 ) ( 5,504 ) ( 278 ) ( 11,280 ) Net income 5,078 5,084 207 10,369 Unit-based compensation, including general partner net contributions 79 - - 79 Balance, March 31, 2020 $ 113,665 $ ( 188,724 ) $ ( 1,520 ) $ ( 76,579 ) There was no change in the number of common limited partner units outstanding during the three months ended March 31, 2021. Issuance of Additional Securities The partnership agreement authorizes the partnership to issue unlimited additional partnership interests on the terms and conditions determined by the general partner without unitholder approval. Cash Distribution Policy Quarterly distributions are made from available cash within 45 days after the end of each calendar quarter, assuming the partnership has available cash, up to an aggregate amount not to exceed $ 0.12 per outstanding unit, subject to the terms of the credit agreement which matures December 31, 2021. Available cash generally means all cash and cash equivalents on hand at the end of that quarter less cash reserves established by the general partner, including those for future capital expenditures, future acquisitions and anticipated future debt service requirements, plus all or any portion of the cash on hand resulting from working capital borrowings made subsequent to the end of that quarter. The general partner also holds incentive distribution rights that entitles it to receive increasing percentages, up to 48 %, of available cash distributed from operating surplus, as defined in the partnership agreement, in excess of $ 0.46 per unit per quarter. The maximum distribution of 48 % does not include any distributions the general partner or its affiliates may receive on its general partner interest or common units. On February 12, 2021 , the partnership distributed $ 2.8 million to unitholders of record as of February 5, 2021 , related to the quarterly cash distribution of $ 0.12 per unit that was declared on January 21, 2021 , for the quarter ended December 31, 2020. On April 22, 2021 , the board of directors of the general partner declared a quarterly cash distribution of $ 0.12 per unit, or approximately $ 2.8 million, for the quarter ended March 31, 2021. The distribution is payable on May 14, 2021 , to unitholders of record at the close of business on May 7, 2021 . The total cash distributions declared for the three months ended March 31, 2021 and 2020, are as follows (in thousands): Three Months Ended March 31, 2021 2020 General partner distributions $ 57 $ 57 Limited partner common units - public 1,395 1,389 Limited partner common units - Green Plains 1,390 1,390 Total distributions to limited partners 2,785 2,779 Total distributions declared $ 2,842 $ 2,836

Earnings Per Unit

Earnings Per Unit3 Months Ended
Mar. 31, 2021
Earnings Per Unit [Abstract]
Earnings Per Unit7. EARNINGS PER UNIT The partnership computes earnings per unit using the two-class method. Earnings per unit applicable to common units is calculated by dividing the respective limited partners’ interest in net income by the weighted average number of common units outstanding during the period, adjusted for the dilutive effect of any outstanding dilutive securities. Diluted earnings per limited partner unit was the same as basic earnings per limited partner unit as there were no potentially dilutive common units outstanding as of March 31, 2021. The following tables show the calculation of earnings per limited partner unit – basic and diluted (in thousands, except for per unit data): Three Months Ended March 31, 2021 Limited Partner Common Units General Partner Total Net income: Distributions declared $ 2,785 $ 57 $ 2,842 Earnings in excess of distributions 7,727 158 7,885 Total net income $ 10,512 $ 215 $ 10,727 Weighted-average units outstanding - basic and diluted 23,161 Earnings per limited partner unit - basic and diluted $ 0.45 Three Months Ended March 31, 2020 Limited Partner Common Units General Partner Total Net income: Distributions declared $ 2,779 $ 57 $ 2,836 Earnings in excess of distributions 7,383 150 7,533 Total net income $ 10,162 $ 207 $ 10,369 Weighted-average units outstanding - basic and diluted 23,138 Earnings per limited partner unit - basic and diluted $ 0.44

Income Taxes

Income Taxes3 Months Ended
Mar. 31, 2021
Income Taxes [Abstract]
Income Taxes8. INCOME TAXES The partnership is a limited partnership, which is not subject to federal income taxes. However, the partnership is subject to state income taxes in certain states. As a result, the financial statements reflect a provision or benefit for such income taxes. The general partner and the unitholders are responsible for paying federal and state income taxes on their share of the partnership’s taxable income. The partnership’s income tax balances did not have a material impact on the financial statements. The partnership recognizes uncertainties in income taxes based upon the technical merits of the position, and measures the maximum benefit and degree of likelihood to determine the tax liability in the financial statements.

Commitments and Contingencies

Commitments and Contingencies3 Months Ended
Mar. 31, 2021
Commitments and Contingencies [Abstract]
Commitments and Contingencies9. COMMITMENTS AND CONTINGENCIES Operating Lease Expense The partnership leases certain facilities, parcels of land, and railcars with remaining terms ranging from less than one year to approximately 10.6 years, including renewal options reasonably certain to be exercised for the land and facility leases. Railcar agreement renewals are not considered reasonably certain to be exercised as they typically renew with different underlying terms. The partnership may sublease certain of its railcars to third parties on a short-term basis. These subleases are classified as operating leases, with the associated sublease revenue recognized on a straight-line basis over the lease term. The components of lease expense for the three months ended March 31, 2021 and 2020, are as follows (in thousands): Three Months Ended March 31, 2021 2020 Lease expense Operating lease expense $ 3,685 $ 3,712 Variable lease benefit (1) ( 276 ) ( 150 ) Total lease expense $ 3,409 $ 3,562 (1) Represents railcar lease abatements provided by the lessor when railcars are out of service during periods of maintenance or upgrade, offset by amounts incurred in excess of the minimum payments required for the handling and unloading of railcars for a certain lease. Supplemental cash flow information related to operating leases is as follows (in thousands): Three Months Ended March 31, 2021 2020 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 3,598 $ 3,613 Right-of-use assets obtained in exchange for lease obligations: Operating leases 6,255 5,194 Right-of-use assets and lease obligations derecognized due to lease modifications: Operating leases 51 - Supplemental balance sheet information related to operating leases is as follows: March 31, 2021 December 31, 2020 Weighted average remaining lease term 4.5 years 4.5 years Weighted average discount rate 3.83 % 4.11 % Aggregate minimum lease payments under the operating lease agreements for the remainder of 2021 and in future years are as follows (in thousands): Year Ending December 31, Amount 2021 $ 10,316 2022 12,546 2023 9,390 2024 7,569 2025 5,330 Thereafter 3,149 Total $ 48,300 Less: Present value discount ( 3,931 ) Operating lease liabilities $ 44,369 The partnership has an additional railcar operating lease that will commence in the second quarter of 2021, with undiscounted future lease payments of approximately $ 1.0 million and a lease term of five years . This amount is not included in the tables above. Lease Revenue The components of lease revenue for the three months ended March 31, 2021 and 2020, are as follows (in thousands): Three Months Ended March 31, 2021 2020 Lease revenue Operating lease revenue $ 16,826 $ 16,954 Variable lease revenue (expense) (1) 517 ( 13 ) Sublease revenue - 77 Total lease revenue $ 17,343 $ 17,018 (1) Represents amounts charged to Green Plains Trade under the storage and throughput agreement in excess of the initial rate of $ 0.05 per gallon, amounts delivered by Green Plains Trade and other customers in excess of various minimum volume commitments, and the difference between the contracted railcar volumetric capacity and the actual amount provided to Green Plains Trade during the period. In accordance with the amended storage and throughput agreement, Green Plains Trade is obligated to deliver a minimum volume of 217.7 mmg per calendar quarter to the partnership’s storage facilities and pay $ 0.05312 per gallon on all volume it throughputs associated with the agreement. The rate increased on July 1, 2020 from $ 0.05 per gallon to $ 0.05312 per gallon in accordance with the terms of the agreement. The minimum volume commitment decreased from 232.5 mmg per calendar quarter to 217.7 mmg per calendar quarter as of March 22, 2021 in conjunction with the Ord disposition. The remaining lease term for the storage and throughput agreement is 8.3 years, with automatic one year renewal periods in which either party has the right to terminate the contract. Due to the unilateral right to termination during the renewal period, the lease contract would no longer contain enforceable rights or obligations. Therefore, the lease term does not include the successive one year renewal periods. Anticipated minimum operating lease revenue under this agreement assuming a consistent rate of $ 0.05312 per gallon for the remainder of 2021 and in future years is as follows (in thousands): Year Ending December 31, Amount 2021 $ 34,693 2022 46,257 2023 46,257 2024 46,257 2025 46,257 Thereafter 161,899 Total $ 381,620 In accordance with the amended rail transportation services agreement with Green Plains Trade, Green Plains Trade is required to pay the rail transportation services fee for railcar volumetric capacity provided by the partnership. The remaining lease term for this agreement is 4.3 years, with automatic one year renewal periods in which either party has the right to terminate the contract. Due to the unilateral right to termination during the renewal period, the lease contract would no longer contain enforceable rights or obligations. Therefore, the lease term does not include the successive one year renewal periods. Under the terms of the agreement, Green Plains Trade is not required to pay for volumetric capacity that is not available due to inspections, upgrades, or routine repairs and maintenance. As a result, the actual volumetric capacity billed may be reduced based on the amount of volumetric capacity available for use during any applicable period. Anticipated minimum operating lease revenue under this agreement for the remainder of 2021 and in future years is as follows (in thousands): Year Ending December 31, Amount 2021 $ 14,207 2022 17,068 2023 11,346 2024 8,816 2025 5,943 Thereafter - Total $ 57,380 Other Commitments and Contingencies The partnership has agreements for contracted services with certain vendors that require the partnership to pay minimum monthly amounts, which expire on various dates. These agreements do not contain an identified asset and therefore are not considered operating leases. The partnership satisfied the minimum commitments under these agreements during the three months ended March 31, 2021 and 2020. Aggregate minimum payments under these agreements for the remainder of 2021 and in future years are as follows (in thousands): Year Ending December 31, Amount 2021 $ 498 2022 157 2023 - 2024 - 2025 - Thereafter - Total $ 655 Legal The partnership may be involved in litigation that arises during the ordinary course of business. Currently, the partnership is not a party to any material litigation.

Related Party Transactions

Related Party Transactions3 Months Ended
Mar. 31, 2021
Related Party Transactions [Abstract]
Related Party Transactions10. RELATED PARTY TRANSACTIONS The partnership engages in various related party transactions with Green Plains and subsidiaries of Green Plains. Green Plains provides a variety of shared services to the partnership, including general management, accounting and finance, payroll and human resources, information technology, legal, communications and treasury activities. These costs are proportionally allocated by Green Plains to its subsidiaries based on common financial metrics management believes are reasonable. The partnership recorded expenses related to these shared services of $ 0.8 million for both the three months ended March 31, 2021 and 2020, respectively. In addition, the partnership reimburses Green Plains for wages and benefit costs of employees directly performing services on its behalf. Green Plains may also pay certain direct costs on behalf of the partnership, which are reimbursed by the partnership. The partnership believes the consolidated financial statements reflect all material costs of doing business related to its operations, including expenses incurred by other entities on its behalf. Omnibus Agreement The partnership has entered into an omnibus agreement, as amended, with Green Plains and its affiliates which, among other terms and conditions, addresses the partnership’s obligation to reimburse Green Plains for direct or allocated costs and expenses incurred by Green Plains for general and administrative services; the prohibition of Green Plains and its subsidiaries from owning, operating or investing in any business that owns or operates fuel terminals or fuel transportation assets; the partnership’s right of first offer to acquire assets if Green Plains decides to sell them; a nontransferable, nonexclusive, royalty-free license to use the Green Plains trademark and name; the allocation of taxes among the parent, the partnership and its affiliates and the parent’s preparation and filing of tax returns; and an indemnity by Green Plains for certain environmental and other liabilities. If Green Plains or its affiliates cease to control the general partner, then either Green Plains or the partnership may terminate the omnibus agreement, provided that (i) the indemnification obligations of the parties survive according to their respective terms; and (ii) Green Plains’ obligation to reimburse the partnership for operational failures survives according to its terms. Operating Services and Secondment Agreement The general partner has entered into an operational services and secondment agreement, as amended, with Green Plains. Under the terms of the agreement, Green Plains seconds employees to the general partner to provide management, maintenance and operational functions for the partnership, including regulatory matters, health, environment, safety and security programs, operational services, emergency response, employee training, finance and administration, human resources, business operations and planning. The seconded personnel are under the direct management and supervision of the general partner who reimburses the parent for the cost of the seconded employees, including wages and benefits. If a seconded employee does not devote 100% of his or her time providing services to the general partner, the general partner reimburses the parent for a prorated portion of the employee’s overall wages and benefits based on the percentage of time the employee spent working for the general partner. Under the operational services and secondment agreement, Green Plains will indemnify the partnership from any claims, losses or liabilities incurred by the partnership, including third-party claims, arising from their performance of the operational services secondment agreement; provided, however, that Green Plains will not be obligated to indemnify the partnership for any claims, losses or liabilities arising out of the partnership’s gross negligence, willful misconduct or bad faith with respect to any services provided under the operational services and secondment agreement. Commercial Agreements The partnership has various fee-based commercial agreements with Green Plains Trade, including:  Storage and throughput agreement, expiring on June 30, 2029;  Rail transportation services agreement, expiring on June 30, 2025;  Trucking transportation agreement, initially expiring on May 31, 2021, extended through May 31, 2022 through an automatic renewal;  Terminal services agreement for the Birmingham, Alabama unit train terminal, expiring on December 31, 2022; and  Various other terminal services agreements for other fuel terminal facilities, each with Green Plains Trade. The storage and throughput, rail transportation services, and trucking transportation agreements have various automatic renewal terms if not cancelled by either party within specified timeframes. Please refer to Item 15 – Exhibits, Financial Statement Schedule in our 2020 annual report for further details. The storage and throughput agreement and terminal services agreements are supported by minimum volume commitments. The rail transportation services agreement is supported by minimum take-or-pay volumetric capacity commitments. Under the storage and throughput agreement, as amended, Green Plains Trade is obligated to deliver a minimum volume of 217.7 mmg of product per calendar quarter to the partnership’s storage facilities and pay $ 0.05312 per gallon on all volume it throughputs associated with the agreement. The rate increased on July 1, 2020 from $ 0.05 per gallon to $ 0.05312 per gallon in accordance with the terms of the agreement. The minimum volume commitment decreased from 232.5 mmg per calendar quarter to 217.7 mmg per calendar quarter as of March 22, 2021 in conjunction with the Ord disposition. In addition, the storage and throughput agreement with Green Plains Trade was extended an additional year to June 30, 2029 as part of this transaction. If Green Plains Trade fails to meet its minimum volume commitment during any quarter, Green Plains Trade will pay the partnership a deficiency payment equal to the deficient volume multiplied by the applicable fee. The deficiency payment may be applied as a credit toward payments due on future volumes delivered by Green Plains Trade in excess of the minimum volume commitment during the following four quarters, after which time this option will expire. For the three months ended March 31, 2021, the partnership charged Green Plains Trade $ 2.8 million related to the minimum volume commitment deficiency for the quarter, resulting in a credit to be applied against excess volumes in future periods. As of March 31, 2021, the cumulative minimum volume deficiency credits available to Green Plains Trade totaled $ 10.6 million. These credits expire, if unused, as follows:  $ 4.3 million, expiring on June 30, 2021;  $ 2.4 million, expiring on September 30, 2021;  $ 1.1 million, expiring on December 31, 2021; and  $ 2.8 million, expiring on March 31, 2022. The above credits have been previously recognized as revenue by the partnership, and as such, future volumes throughput by Green Plains Trade in excess of the quarterly minimum volume commitment, up to the amount of these credits, will not be recognized in revenue in future periods prior to expiration. Under the rail transportation services agreement, Green Plains Trade is obligated to use the partnership to transport ethanol and other fuels from receipt points identified by Green Plains Trade to nominated delivery points. The average daily railcar volumetric capacity provided by the partnership was 72.9 mmg and 78.8 mmg, respectively, and the associated monthly fee was approximately $ 0.0231 and $ 0.0214 per gallon, res pec tively, during the three months ended March 31, 2021 and 2020. The partnership’s leased railcar fleet consisted of approximately 2,450 and 2,750 railcars as of March 31, 2021 and 2020, respectively. Green Plains Trade is also obligated to use the partnership for logistical operations management and other services related to average daily railcar volumetric capacity provided by Green Plains Trade, which was approximately 0.7 mmg and 3.5 mmg for the three months ended March 31, 2021 and 2020, respectively. Green Plains Trade is obligated to pay a monthly fee of approximately $ 0.0013 per gallon for these services. In addition, Green Plains Trade reimburses the partnership for costs related to: (1) railcar switching and unloading fees; (2) increased costs related to changes in law or governmental regulation related to the specification, operation or maintenance of railcars; (3) demurrage charges, except when the charges are due to the partnership’s gross negligence or willful misconduct; and (4) fees related to rail transportation services under transportation contracts with third-party common carriers. As needed, Green Plains Trade contracts with the partnership for additional railcar volumetric capacity during the normal course of business at comparable margins. Under the trucking transportation agreement, Green Plains Trade pays the partnership to transport ethanol and other fuels by truck from identified receipt points to various delivery points. Green Plains Trade is obligated to pay a monthly trucking transportation services fee equal to the aggregate volume transported in a calendar month by the partnership’s trucks, multiplied by the applicable rate for each truck lane. A truck lane is defined as a specific and routine route of travel between a point of origin and point of destination. Rates for each truck lane are negotiated based on product, location, mileage and other factors. Green Plains Trade reimburses the partnership for costs related to: (1) truck switching and unloading fees; (2) increased costs related to changes in law or governmental regulation related to the specification, operation and maintenance of trucks; and (3) fees related to trucking transportation services under transportation contracts with third-party common carriers. Under the existing Birmingham terminal services agreement, effective through December 31, 2022, Green Plains Trade is obligated to throughput a minimum volume commitment of approximately 8.3 mmg per month and pay associated throughput fees, as well as fees for ancillary services. The partnership recorded revenues from Green Plains Trade under the storage and throughput agreement and rail transportation services agreement of $ 17.3 million and $ 16.8 million for the three months ended March 31, 2021 and 2020, respectively. In addition, the partnership recorded revenues from Green Plains Trade and other Green Plains subsidiaries related to trucking and terminal services of $ 2.0 million and $ 2.2 million for the three months ended March 31, 2021 and 2020, respectively. Cash Distributions The partnership distributed $ 1.4 million and $ 5.8 million to Green Plains related to the quarterly cash distribution paid for the three months ended March 31, 2021 and 2020 , respectively.

Equity Method Investment

Equity Method Investment3 Months Ended
Mar. 31, 2021
Equity Method Investment [Abstract]
Equity Method Investment11. EQUITY METHOD INVESTMENT NLR Energy Logistics LLC The partnership and Delek Renewables LLC have a 50 / 50 joint venture, NLR Energy Logistics LLC, which operates a unit train terminal in the Little Rock, Arkansas area with capacity to unload 110 -car unit trains and provide approximately 100,000 barrels of storage. As of March 31, 2021, the partnership’s investment balance in the joint venture was $ 4.2 million. In addition, the partnership had an outstanding receivable of $ 25 thousand due from NLR for various reimbursable expenses as of March 31, 2021 and December 31, 2020. The partnership does not consolidate any part of the assets or liabilities or operating results of its equity method investee. The partnership’s share of net income or loss in the investee increases or decreases, as applicable, the carrying value of the investment. With respect to NLR, the partnership determined that this entity does not represent a variable interest entity and consolidation is not required. In addition, although the partnership has the ability to exercise significant influence over the joint venture through board representation and voting rights, all significant decisions require the consent of the other investor without regard to economic interest.

Basis of Presentation, Descri_2

Basis of Presentation, Description of Business and Summary of Significant Accounting Policies (Policy)3 Months Ended
Mar. 31, 2021
Basis of Presentation, Description of Business and Summary of Significant Accounting Policies [Abstract]
Consolidated Financial StatementsConsolidated Financial Statements The consolidated financial statements include the accounts of the partnership and its controlled subsidiaries. All significant intercompany balances and transactions are eliminated on a consolidated basis for reporting purposes. Results for the interim periods presented are not necessarily indicative of the expected results for the entire year. The accompanying unaudited consolidated financial statements are prepared in accordance with GAAP for interim financial information and instructions to Form 10-Q and Article 10 of Regulation S-X. Because they do not include all of the information and footnotes required by GAAP, the consolidated financial statements should be read in conjunction with the partnership’s 2020 annual report on Form 10-K for the year ended December 31, 2020, as filed with the SEC on February 16, 2021. The partnership accounts for its interest in joint ventures using the equity method of accounting, with its investment recorded at the acquisition cost plus the partnership’s share of equity in undistributed earnings and reduced by the partnership’s share of equity in undistributed losses and distributions received.
Use of Estimates in the Preparation of Consolidated Financial StatementsUse of Estimates in the Preparation of Consolidated Financial Statements Preparation of the consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported assets and liabilities, disclosure of contingent assets and liabilities at the date of the consolidated financial statements, and revenues and expenses during the reporting period. The partnership bases its estimates on historical experience and assumptions it believes are proper and reasonable under the circumstances. The partnership regularly evaluates the appropriateness of these estimates and assumptions. Actual results could differ from those estimates. Key accounting policies, including, but not limited to, those related to revenue recognition, leases, depreciation of property and equipment, asset retirement obligations, and impairment of long-lived assets and goodwill are impacted significantly by judgments, assumptions and estimates used to prepare the consolidated financial statements.
Description of BusinessDescription of Business The partnership provides fuel storage and transportation services by owning, operating, developing and acquiring ethanol and fuel storage terminals, transportation assets and other related assets and businesses. The partnership is its parent’s primary downstream logistics provider to support the parent’s approximately 0.96 bgy ethanol marketing and distribution business since the partnership’s assets are the principal method of storing and delivering the ethanol its parent produces. The ethanol produced by the parent is predominantly fuel grade, made principally from starch extracted from corn, and is primarily used for blending with gasoline. Ethanol currently comprises approximately 10 % of the U.S. gasoline market and is an economical source of octane and oxygenates for blending into the fuel supply. The partnership does not take ownership of, or receive any payments based on the value of the ethanol, other fuels or products it handles. As a result, the partnership does not have any direct exposure to fluctuations in commodity prices.
Revenue RecognitionRevenue Recognition The partnership recognizes revenue when obligations under the terms of a contract with a customer are satisfied. Generally, this occurs with the completion of services or the transfer of control of products to the customer or another specified third party. For contracts with customers in which a take-or-pay commitment exists, any minimum volume deficiency charges are recognized as revenue in the period incurred and are not allowed to be credited towards excess volumes in future periods. The partnership generates a substantial portion of its revenues under fee-based commercial agreements with Green Plains Trade. Operating lease revenue related to minimum volume commitments is recognized on a straight-line basis over the term of the lease. Under the terms of the storage and throughput agreement with Green Plains Trade, to the extent shortfalls associated with minimum volume commitments in the previous four quarters continue to exist, volumes in excess of the minimum volume commitment are applied to those shortfalls. Remaining excess volumes generating operating lease revenue are recognized as incurred. Please refer to Note 2 - Revenue to the consolidated financial statements for further details.
Operations and Maintenance ExpensesOperations and Maintenance Expenses The partnership’s operations and maintenance expenses consist primarily of lease expenses related to the transportation assets, labor expenses, outside contractor expenses, insurance premiums, repairs and maintenance expenses, and utility costs. These expenses also include fees for certain management, maintenance and operational services to support the storage and terminal facilities, trucks, and leased railcar fleet allocated by Green Plains under the operational services and secondment agreement.
Concentrations of Credit RiskConcentrations of Credit Risk In the normal course of business, the partnership is exposed to credit risk resulting from the possibility a loss may occur due to failure of another party to perform according to the terms of their contract. The partnership provides fuel storage and transportation services for various parties with a significant portion of its revenues earned from Green Plains Trade. The partnership continually monitors its credit risk exposure and concentrations. Please refer to Note 2 – Revenue and Note 10 – Related Party Transactions to the consolidated financial statements for additional information .
Impairment of Long-Lived Assets and GoodwillImpairment of Long-Lived Assets and Goodwill The partnership reviews its long-lived assets, currently consisting primarily of property and equipment and operating lease right-of-use assets, for impairment when events or changes in circumstances indicate that the carrying amount of a long-lived asset may not be recoverable. Recoverability of assets to be held and used is measured by comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset. No impairment charges were recorded for the periods reported.   The partnership’s goodwill currently is comprised of amounts recognized by the MLP predecessor related to terminal services assets. The partnership reviews goodwill at the reporting unit level for impairment at least annually, as of October 1, or more frequently when events or changes in circumstances indicate that impairment may have occurred.
LeasesLeases The partnership leases certain facilities, parcels of land, and railcars. These leases are accounted for as operating leases, with lease expense recognized on a straight-line basis over the lease term. The term of the lease may include options to extend or terminate the lease when it is reasonably certain that such options will be exercised. For leases with initial terms greater than 12 months, the partnership records operating lease right-of-use assets and corresponding operating lease liabilities. Leases with an initial term of 12 months or less are not recorded on the consolidated balance sheet. The partnership had no short-term lease expense for the three months ended March 31, 2021 or 2020. Operating lease right-of-use assets represent the right to control an underlying asset for the lease term and operating lease liabilities represent the obligation to make lease payments arising from the lease. These assets and liabilities are recognized at the commencement date based on the present value of lease payments over the lease term. As the partnership’s leases do not provide an implicit rate, the incremental borrowing rate is used based on information available at commencement date to determine the present value of future payments. The partnership utilizes a portfolio approach for lease classification, which allows for an entity to group together leases with similar characteristics provided that its application does not create a material difference when compared to accounting for the leases at a contract level. For the partnership’s railcar leases, the partnership combines the railcars within each contract rider and accounts for each contract rider as an individual lease. From a lessee perspective, the partnership combines both the lease and non-lease components and accounts for them as one lease. Certain of the partnership’s railcar agreements provide for maintenance costs to be the responsibility of the partnership as incurred or charged by the lessor. This maintenance cost is a non-lease component that the partnership combines with the monthly rental payment and accounts for the total cost as operating lease expense. In addition, the partnership has a land lease that contains a non-lease component for the handling and unloading services the landlord provides. The partnership combines the cost of services with the land lease cost and accounts for the total as operating lease expense. The partnership records operating lease revenue as part of its operating lease agreements for storage and throughput services, rail transportation services, and certain terminal services. In addition, the partnership may sublease certain of its railcars to third parties on a short-term basis. These subleases are classified as operating leases, with the associated sublease revenue recognized on a straight-line basis over the lease term. From a lessor perspective, the partnership classifies certain costs as lease costs for accounting purposes, which may differ from a tax or legal perspective. The partnership combines both the lease and non-lease components and accounts for them as one lease. The storage and throughput agreement consists of costs paid by Green Plains Trade for the rental of the terminal facilities, which for accounting purposes are treated as lease costs, as well as other costs for the throughput services provided by the partnership, which are treated as non-lease costs. For this agreement, the partnership combines the facility rental revenue and the service revenue and accounts for the total as leasing revenue. Similarly, the railcar transportation services agreement consists of costs paid by Green Plains Trade for the use of the partnership’s railcar assets, which are treated as lease costs for accounting purposes, as well as costs for logistical operations management and other services, which are treated as non-lease costs. For this agreement, the partnership combines the railcar rental revenue and the service revenue and accounts for the total as leasing revenue. Please refer to Note 9 – Commitments and Contingencies to the consolidated financial statements for further details on operating lease expense and revenue. Please refer to Note 2 - Revenue to the consolidated financial statements for further details on the operating lease agreements in which the partnership is a lessor.
Asset Retirement ObligationsAsset Retirement Obligations The partnership records an ARO for the fair value of the estimated costs to retire a tangible long-lived asset in the period incurred if it can be reasonably estimated, which is subsequently adjusted for accretion expense. Corresponding asset retirement costs are capitalized as a long-lived asset and depreciated on a straight-line basis over the asset’s remaining useful life. The expected present value technique used to calculate the fair value of the AROs includes assumptions about costs, settlement dates, interest accretion, and inflation. Changes in assumptions, such as the amount or timing of estimated cash flows, could increase or decrease the AROs. The partnership’s AROs are based on legal obligations to perform remedial activity related to land, machinery and equipment when certain operating leases expire.
Segment ReportingSegment Reporting The partnership accounts for segment reporting in accordance with ASC 280, Segment Reporting , which establishes standards for entities reporting information about the operating segments and geographic areas in which they operate. Management evaluated how its chief operating decision maker has organized the partnership for purposes of making operating decisions and assessing performance, and concluded it has one reportable segment.
Recent Accounting PronouncementsRecent Accounting Pronouncements In March 2020, the FASB issued amended guidance in ASC 848, Reference Rate Reform Facilitation of the Effects of Reference Rate Reform on Financial Reporting, and a subsequent update in January 2021, which provides optional expedients and exceptions to U.S. GAAP guidance on contract modifications and hedge accounting to ease the financial reporting burden related to the expected market transition from LIBOR and other interbank offered rates to alternative reference rates. The expedients and exceptions provided by the amended guidance do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship. The guidance is effective upon issuance and to be applied prospectively from any date beginning March 12, 2020 through December 31, 2022. The amended guidance is not expected to have a material impact on the partnership’s consolidated financial statements.

Revenue (Tables)

Revenue (Tables)3 Months Ended
Mar. 31, 2021
Revenue [Abstract]
Disaggregation of Revenue by Major Source Three Months Ended March 31, 2021 2020 Revenues Service revenues Terminal services $ 2,002 $ 2,085 Trucking and other 1,061 1,168 Total service revenues 3,063 3,253 Leasing revenues (1) Storage and throughput services 12,261 11,785 Railcar transportation services 5,042 5,124 Terminal services 40 109 Total leasing revenues 17,343 17,018 Total revenues $ 20,406 $ 20,271 (1) Leasing revenues do not represent revenues recognized from contracts with customers under ASC 606, Revenue from Contracts with Customers , and are accounted for under ASC 842, Leases .
Changes in Unearned Revenue from Service Agreements Amount Balance at January 1, 2021 $ 247 Revenue recognized included in beginning balance ( 247 ) Net additions 344 Balance at March 31, 2021 $ 344

Dispositions (Tables)

Dispositions (Tables)3 Months Ended
Mar. 31, 2021
Ethanol Plant In Ord, Nebraska [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Summary of Assets and Liabilities Disposed of Total consideration $ 27,500 Identifiable assets and liabilities disposed of (1) : Property and equipment, net 542 Partners' deficit effect $ 26,958 (1) The operating lease right-of-use assets and lease liabilities associated with the railcar operating leases, currently estimated at approximately $ 2.0 million, respectively, will be extinguished upon the assignment of the associated leases to GreenAmerica Biofuels Ord LLC, which had not yet occurred as of March 31, 2021.
Ethanol Plants In Hereford, Texas [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Summary of Assets and Liabilities Disposed of Total consideration $ 10,000 Identifiable assets and liabilities disposed of: Property and equipment, net 2,494 Operating lease right-of-use assets 5,094 Operating lease current liabilities ( 976 ) Operating lease long-term liabilities ( 4,200 ) Asset retirement obligations ( 186 ) Total identifiable net assets 2,226 Liabilities assumed 163 Partners' deficit effect $ 7,611

Partners' Deficit (Tables)

Partners' Deficit (Tables)3 Months Ended
Mar. 31, 2021
Partners' Deficit [Abstract]
Schedule of Changes in Partners' DeficitChanges in partners’ deficit are as follows (in thousands): Limited Partners Common Units- Public Common Units- Green Plains General Partner Total Balance, December 31, 2020 $ 124,823 $ ( 170,368 ) $ ( 917 ) $ ( 46,462 ) Quarterly cash distributions to unitholders ($ 0.12 per unit) ( 1,395 ) ( 1,390 ) ( 57 ) ( 2,842 ) Net income 5,264 5,248 215 10,727 Ord disposition - 26,419 539 26,958 Unit-based compensation, including general partner net contributions 79 - - 79 Balance, March 31, 2021 $ 128,771 $ ( 140,091 ) $ ( 220 ) $ ( 11,540 ) Limited Partners Common Units- Public Common Units- Green Plains General Partner Total Balance, December 31, 2019 $ 114,006 $ ( 188,304 ) $ ( 1,449 ) $ ( 75,747 ) Quarterly cash distributions to unitholders ($ 0.475 per unit) ( 5,498 ) ( 5,504 ) ( 278 ) ( 11,280 ) Net income 5,078 5,084 207 10,369 Unit-based compensation, including general partner net contributions 79 - - 79 Balance, March 31, 2020 $ 113,665 $ ( 188,724 ) $ ( 1,520 ) $ ( 76,579 )
Schedule of Total Cash Distributions DeclaredThe total cash distributions declared for the three months ended March 31, 2021 and 2020, are as follows (in thousands): Three Months Ended March 31, 2021 2020 General partner distributions $ 57 $ 57 Limited partner common units - public 1,395 1,389 Limited partner common units - Green Plains 1,390 1,390 Total distributions to limited partners 2,785 2,779 Total distributions declared $ 2,842 $ 2,836

Earnings Per Unit (Tables)

Earnings Per Unit (Tables)3 Months Ended
Mar. 31, 2021
Earnings Per Unit [Abstract]
Schedule of Calculation of Earnings Per Limited Partner Unit - Basic and Diluted Three Months Ended March 31, 2021 Limited Partner Common Units General Partner Total Net income: Distributions declared $ 2,785 $ 57 $ 2,842 Earnings in excess of distributions 7,727 158 7,885 Total net income $ 10,512 $ 215 $ 10,727 Weighted-average units outstanding - basic and diluted 23,161 Earnings per limited partner unit - basic and diluted $ 0.45 Three Months Ended March 31, 2020 Limited Partner Common Units General Partner Total Net income: Distributions declared $ 2,779 $ 57 $ 2,836 Earnings in excess of distributions 7,383 150 7,533 Total net income $ 10,162 $ 207 $ 10,369 Weighted-average units outstanding - basic and diluted 23,138 Earnings per limited partner unit - basic and diluted $ 0.44

Commitments and Contingencies (

Commitments and Contingencies (Tables)3 Months Ended
Mar. 31, 2021
Components of Lease Expense Three Months Ended March 31, 2021 2020 Lease expense Operating lease expense $ 3,685 $ 3,712 Variable lease benefit (1) ( 276 ) ( 150 ) Total lease expense $ 3,409 $ 3,562 (1) Represents railcar lease abatements provided by the lessor when railcars are out of service during periods of maintenance or upgrade, offset by amounts incurred in excess of the minimum payments required for the handling and unloading of railcars for a certain lease.
Supplemental Cash Flow Information Related to Operating Leases Three Months Ended March 31, 2021 2020 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 3,598 $ 3,613 Right-of-use assets obtained in exchange for lease obligations: Operating leases 6,255 5,194 Right-of-use assets and lease obligations derecognized due to lease modifications: Operating leases 51 -
Supplemental Balance Sheet Information Related to Operating Leases March 31, 2021 December 31, 2020 Weighted average remaining lease term 4.5 years 4.5 years Weighted average discount rate 3.83 % 4.11 %
Schedule of Aggregate Minimum Lease Payments Year Ending December 31, Amount 2021 $ 10,316 2022 12,546 2023 9,390 2024 7,569 2025 5,330 Thereafter 3,149 Total $ 48,300 Less: Present value discount ( 3,931 ) Operating lease liabilities $ 44,369
Components of Lease Revenue Three Months Ended March 31, 2021 2020 Lease revenue Operating lease revenue $ 16,826 $ 16,954 Variable lease revenue (expense) (1) 517 ( 13 ) Sublease revenue - 77 Total lease revenue $ 17,343 $ 17,018 (1) Represents amounts charged to Green Plains Trade under the storage and throughput agreement in excess of the initial rate of $ 0.05 per gallon, amounts delivered by Green Plains Trade and other customers in excess of various minimum volume commitments, and the difference between the contracted railcar volumetric capacity and the actual amount provided to Green Plains Trade during the period.
Schedule of Aggregate Minimum Agreement Payments Year Ending December 31, Amount 2021 $ 498 2022 157 2023 - 2024 - 2025 - Thereafter - Total $ 655
Amended Storage And Throughput Agreement [Member]
Summary of Minimum Future Rental Revenue Year Ending December 31, Amount 2021 $ 34,693 2022 46,257 2023 46,257 2024 46,257 2025 46,257 Thereafter 161,899 Total $ 381,620
Amended Rail Transportation Services Agreement [Member]
Summary of Minimum Future Rental Revenue Year Ending December 31, Amount 2021 $ 14,207 2022 17,068 2023 11,346 2024 8,816 2025 5,943 Thereafter - Total $ 57,380

Basis of Presentation, Descri_3

Basis of Presentation, Description of Business and Summary of Significant Accounting Policies (Narrative) (Details) gal in ThousandsMar. 21, 2021galMar. 31, 2021USD ($)segmentgalMar. 31, 2020USD ($)
Basis of Presentation and Significant Accounting Policies [Line Items]
Intangible assets impairment charges | $ $ 0 $ 0
Short-term lease expense | $ $ 0 $ 0
Ethanol production capacity (in gallons) | gal960,000
Number of Reportable Segments | segment1
Ethanol Segment [Member]
Basis of Presentation and Significant Accounting Policies [Line Items]
Percent of U.S. gasoline market10.00%
Green Plains Trade [Member]
Basis of Presentation and Significant Accounting Policies [Line Items]
Quarterly minimum volume commitment, throughput capacity (in gallons) | gal232,500 217,700

Revenue (Narrative) (Details)

Revenue (Narrative) (Details) $ in Thousands3 Months Ended
Mar. 31, 2021USD ($)miMar. 31, 2020USD ($)
Disaggregation of Revenue [Line Items]
Revenues $ 20,406 $ 20,271
Average trucking miles traveled from receipt point to delivery point | mi100
Green Plains Trade Group LLC [Member]
Disaggregation of Revenue [Line Items]
Revenues $ 19,300 $ 19,000
Minimum [Member]
Disaggregation of Revenue [Line Items]
Revenue, Performance Obligation, Payment Terms10 days
Percent of partnership's revenue, major customers benchmark10.00%10.00%
Maximum [Member]
Disaggregation of Revenue [Line Items]
Revenue, Performance Obligation, Payment Terms30 days

Revenue (Disaggregation of Reve

Revenue (Disaggregation of Revenue by Major Source) (Details) - USD ($) $ in Thousands3 Months Ended
Mar. 31, 2021Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenues $ 20,406 $ 20,271
Service Revenues [Member]
Disaggregation of Revenue [Line Items]
Total service revenues3,063 3,253
Terminal Services [Member]
Disaggregation of Revenue [Line Items]
Total service revenues2,002 2,085
Trucking And Other [Member]
Disaggregation of Revenue [Line Items]
Total service revenues1,061 1,168
Leasing Revenues [Member]
Disaggregation of Revenue [Line Items]
Total leasing revenues[1]17,343 17,018
Storage And Throughput Services, Leasing [Member]
Disaggregation of Revenue [Line Items]
Total leasing revenues[1]12,261 11,785
Railcar Transportation Services, Leasing [Member]
Disaggregation of Revenue [Line Items]
Total leasing revenues[1]5,042 5,124
Terminal Services, Leasing [Member]
Disaggregation of Revenue [Line Items]
Total leasing revenues[1] $ 40 $ 109
[1]Leasing revenues do not represent revenues recognized from contracts with customers under ASC 606, Revenue from Contracts with Customers , and are accounted for under ASC 842, Leases .

Revenue (Changes in Unearned Re

Revenue (Changes in Unearned Revenue From Service Agreements) (Details) - Service Agreements [Member] $ in Thousands3 Months Ended
Mar. 31, 2021USD ($)
Disaggregation of Revenue [Line Items]
Beginning balance $ 247
Revenue recognized included in beginning balance(247)
Net additions344
Ending balance $ 344

Debt (Narrative) (Details)

Debt (Narrative) (Details)May 15, 2021USD ($)Mar. 31, 2021USD ($)item$ / sharesDec. 31, 2021Dec. 31, 2020USD ($)
Debt Instrument [Line Items]
Payments of principal on long-term debt $ 37,500,000
Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity DateDec. 31,
2021
Consolidated net leverage ratio decrease each quarter0.25
Line of credit, carrying value $ 62,800,000 $ 100,000,000
Payments in excess of scheduled monthly payments40,000,000
Debt issuance costs1,700,000 $ 2,300,000
Line of credit, threshold of cash balance, payment required $ 2,500,000
Line of credit, threshold cash balance, Number of days | item5
Line of credit, percent of net cash proceeds required for outstanding principal100.00%
Line of credit terms, maximum per unit quarterly payments | $ / shares $ 0.12
Credit Facility [Member] | Scenario, Forecast [Member]
Debt Instrument [Line Items]
Consolidated net leverage ratio1.50
Minimum [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated debt service coverage ratio1.05
Minimum debt service coverage ratio expected in future1.10
Payments of principal on long-term debt $ 40,000,000
Debt instrument, effective rate1.00%
Maximum [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated net leverage ratio3
LIBOR [Member] | Minimum [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate, basis spread on variable rate, percentage4.50%
LIBOR [Member] | Maximum [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate, basis spread on variable rate, percentage5.25%
If Less Than $40 Million In Prepayments Prior To April 1, 2021 [Member] | LIBOR [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Floating rate1
If Less Than $40 Million In Prepayments Prior To April 1, 2021 [Member] | LIBOR [Member] | Minimum [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate, basis spread on variable rate, percentage5.00%
If Less Than $40 Million In Prepayments Prior To April 1, 2021 [Member] | LIBOR [Member] | Maximum [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate, basis spread on variable rate, percentage5.75%
Revolving Credit Facility [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, face amount $ 5,000,000
Line of credit, commitment fee0.50%
Term Loan [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, face amount $ 130,000,000
Debt instrument, effective rate5.75%
Payments on credit facility $ 37,500,000
Prepayment due to excess cash3,000,000
Additional required prepayments0
Principal payments2,500,000
Periodic payments (including interest)7,500,000
Debt outstanding balance $ 62,500,000
Term Loan [Member] | Credit Facility [Member] | Scenario, Forecast [Member]
Debt Instrument [Line Items]
Periodic payments (including interest) $ 3,200,000
Swing Line Loans [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, effective rate7.00%
Debt outstanding balance $ 300,000
Swing Line Loans [Member] | Prime Rate [Member] | Minimum [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate, basis spread on variable rate, percentage3.50%
Swing Line Loans [Member] | Prime Rate [Member] | Maximum [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate, basis spread on variable rate, percentage4.25%
Storage Assets Located Adjacent To Ord Plant [Member] | Term Loan [Member] | Credit Facility [Member]
Debt Instrument [Line Items]
Payments on credit facility $ 27,000,000

Dispositions (Narrative) (Detai

Dispositions (Narrative) (Details) - USD ($) $ in ThousandsMar. 31, 2021Mar. 22, 2021Dec. 31, 2020Dec. 28, 2020
Business Acquisition [Line Items]
Accounts Receivable, Related Parties $ 25 $ 25
Storage Assets Located Adjacent To Ord Plant [Member]
Business Acquisition [Line Items]
Total consideration received $ 27,500
Ethanol Plant In Ord, Nebraska [Member]
Business Acquisition [Line Items]
Total consideration received $ 27,000
Ethanol Plant In Ord, Nebraska [Member] | Green Plains Inc. [Member]
Business Acquisition [Line Items]
Accounts Receivable, Related Parties $ 500
Ethanol Plants In Hereford, Texas [Member]
Business Acquisition [Line Items]
Total consideration received $ 10,000

Dispositions (Summary of Assets

Dispositions (Summary of Assets and Liabilities Disposed of) (Details) - USD ($) $ in ThousandsMar. 22, 2021Dec. 28, 2020Mar. 31, 2021
Storage Assets Located Adjacent To Ord Plant [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total consideration $ 27,500
Property and equipment, net[1]542
Partners' deficit effect $ 26,958
Operating lease right-of-use assets, lease liabilities, and asset retirement obligations $ 2,000
Ethanol Plants In Hereford, Texas [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total consideration $ 10,000
Property and equipment, net2,494
Operating lease right-of-use assets5,094
Operating lease current liabilities(976)
Operating lease long-term liabilities(4,200)
Asset retirement obligations(186)
Total identifiable net assets2,226
Liabilities assumed163
Partners' deficit effect $ 7,611
[1]The operating lease right-of-use assets and lease liabilities associated with the railcar operating leases, currently estimated at approximately $ 2.0 million, respectively, will be extinguished upon the assignment of the associated leases to GreenAmerica Biofuels Ord LLC, which had not yet occurred as of March 31, 2021.

Unit-Based Compensation (Narrat

Unit-Based Compensation (Narrative) (Details) - USD ($) $ in Thousands3 Months Ended
Mar. 31, 2021Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized2,500,000
Change in the number of non-vested unit-based awards0
Unrecognized compensation costs $ 80
Limited Partner Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost (benefit) $ 79 $ 79

Partners' Deficit (Narrative) (

Partners' Deficit (Narrative) (Details) - USD ($) $ / shares in Units, $ in MillionsApr. 22, 2021Mar. 31, 2021Dec. 31, 2020
Limited Partners' Capital Account [Line Items]
Change in the number of common limited partner units outstanding0
Payment DateFeb. 12,
2021
Distribution per unit $ 0.46
Declaration DateApr. 22,
2021
Jan. 21,
2021
Distribution Made To Limited Partner And General Partner, Threshold In Days After End Of Each Calendar Quarter, Distribution Payment45 days
Record DateFeb. 5,
2021
Payable DateMay 14,
2021
Close Of Business DateMay 7,
2021
Maximum [Member]
Limited Partners' Capital Account [Line Items]
Incentive distribution, percentage of available cash distributed from operating surplus48.00%
Credit Facility [Member]
Limited Partners' Capital Account [Line Items]
Line of credit terms, maximum per unit quarterly payments $ 0.12
Subsequent Event [Member]
Limited Partners' Capital Account [Line Items]
Distribution Made to Limited Partners and General Partner, Cash Distributions Declared $ 2.8
Distribution Made to Limited Partner, Distributions Declared, Per Unit $ 0.12

Partners' Deficit (Schedule of

Partners' Deficit (Schedule of Changes in Partners' Deficit) (Details) - USD ($) $ / shares in Units, $ in ThousandsFeb. 12, 2021Mar. 31, 2021Mar. 31, 2020
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance, Beginning period $ (46,462) $ (75,747)
Quarterly cash distributions to unitholders $ (2,800)(2,842)(11,280)
Net income10,727 10,369
Ord disposition26,958
Unit-based compensation, including general partner net contributions79 79
Balance, Ending period $ (11,540) $ (76,579)
Quarterly distribution paid, per unit $ 0.12 $ 0.12 $ 0.475
General Partner [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance, Beginning period $ (917) $ (1,449)
Quarterly cash distributions to unitholders(57)(278)
Net income215 207
Ord disposition539
Balance, Ending period(220)(1,520)
Common Units - Public [Member] | Limited Partners [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance, Beginning period124,823 114,006
Quarterly cash distributions to unitholders(1,395)(5,498)
Net income5,264 5,078
Unit-based compensation, including general partner net contributions79 79
Balance, Ending period128,771 113,665
Common Units - Green Plains [Member] | Limited Partners [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance, Beginning period(170,368)(188,304)
Quarterly cash distributions to unitholders(1,390)(5,504)
Net income5,248 5,084
Ord disposition26,419
Balance, Ending period $ (140,091) $ (188,724)

Partners' Deficit (Schedule o_2

Partners' Deficit (Schedule of Total Cash Distributions Declared) (Details) - USD ($) $ in Thousands3 Months Ended
Mar. 31, 2021Mar. 31, 2020
Distribution Made to Limited Partner [Line Items]
Total distributions declared $ 2,842 $ 2,836
General Partner Distributions [Member]
Distribution Made to Limited Partner [Line Items]
Total distributions declared57 57
General Partner [Member]
Distribution Made to Limited Partner [Line Items]
Total distributions declared57 57
Limited Partners [Member] | Common Units - Public [Member]
Distribution Made to Limited Partner [Line Items]
Total distributions declared1,395 1,389
Limited Partners [Member] | Common Units - Green Plains [Member]
Distribution Made to Limited Partner [Line Items]
Total distributions declared1,390 1,390
Limited Partners [Member] | Common Units [Member]
Distribution Made to Limited Partner [Line Items]
Total distributions declared $ 2,785 $ 2,779

Earnings Per Unit (Narrative) (

Earnings Per Unit (Narrative) (Details)3 Months Ended
Mar. 31, 2021shares
Earnings Per Unit [Abstract]
Potentially dilutive common or subordinated units outstanding0

Earnings Per Unit (Schedule of

Earnings Per Unit (Schedule of Calculation of Earnings Per Limited Partner Unit - Basic and Diluted) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands3 Months Ended
Mar. 31, 2021Mar. 31, 2020
Earnings Per Unit [Line Items]
Distributions declared $ 2,842 $ 2,836
Earnings in excess of distributions(7,885)7,533
Total net income10,727 10,369
General Partner [Member]
Earnings Per Unit [Line Items]
Distributions declared57 57
Earnings in excess of distributions(158)150
Total net income215 207
Common Units [Member] | Limited Partners [Member]
Earnings Per Unit [Line Items]
Distributions declared2,785 2,779
Earnings in excess of distributions(7,727)7,383
Total net income $ 10,512 $ 10,162
Weighted-average units outstanding - basic and diluted23,161 23,138
Earnings per limited partner unit - basic and diluted $ 0.45 $ 0.44

Commitments and Contingencies_2

Commitments and Contingencies (Narrative) (Details) $ in Thousands, gal in MillionsMar. 31, 2021USD ($)galMar. 21, 2021galJul. 01, 2020$ / galJun. 30, 2020$ / galMar. 31, 2021USD ($)$ / galgalMar. 31, 2020USD ($)
Other Commitments [Line Items]
Estimated future minimum rental commitments | $ $ 1,000 $ 1,000
Operating leases, not yet commenced, lease term5 years5 years
Operating lease revenue | $ $ 16,826 $ 16,954
Green Plains Trade [Member]
Other Commitments [Line Items]
Quarterly minimum volume commitment, throughput capacity (in gallons) | gal232.5 217.7
Fee-based Storage and Throughput Agreement [Member] | Green Plains Trade [Member]
Other Commitments [Line Items]
Agreement rate, price per gallon | $ / gal0.05312 0.050.05312
Quarterly minimum volume commitment, throughput capacity (in gallons) | gal217.7 232.5
Lessor, Operating Lease, Term of Contract8 years 3 months 18 days8 years 3 months 18 days
Lessor, Operating Lease, Renewal Term1 year1 year
Minimum [Member]
Other Commitments [Line Items]
Operating lease remaining lease term1 year
Maximum [Member]
Other Commitments [Line Items]
Operating lease remaining lease term10 years 7 months 6 days
Amended Rail Transportation Services Agreement [Member]
Other Commitments [Line Items]
Lessor, Operating Lease, Term of Contract4 years 3 months 18 days4 years 3 months 18 days
Lessor, Operating Lease, Renewal Term1 year1 year

Commitments and Contingencies_3

Commitments and Contingencies (Components of Lease Expense) (Details) - USD ($) $ in Thousands3 Months Ended
Mar. 31, 2021Mar. 31, 2020
Commitments and Contingencies [Abstract]
Operating lease expense $ 3,685 $ 3,712
Variable lease benefit[1](276)(150)
Total lease expense $ 3,409 $ 3,562
[1]Represents railcar lease abatements provided by the lessor when railcars are out of service during periods of maintenance or upgrade, offset by amounts incurred in excess of the minimum payments required for the handling and unloading of railcars for a certain lease.

Commitments and Contingencies_4

Commitments and Contingencies (Supplemental Cash Flow Information Related to Operating Leases) (Details) - USD ($) $ in Thousands3 Months Ended
Mar. 31, 2021Mar. 31, 2020
Commitments and Contingencies [Abstract]
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 3,598 $ 3,613
Right-of-use assets obtained in exchange for lease obligations: Operating leases6,255 $ 5,194
Right-of-use assets and lease obligations derecognized due to lease modifications: Operating leases $ 51

Commitments and Contingencies_5

Commitments and Contingencies (Supplemental Balance Sheet Information Related to Operating Leases) (Details)Mar. 31, 2021Dec. 31, 2020
Commitments and Contingencies [Abstract]
Weighted average remaining lease term4 years 6 months4 years 6 months
Weighted average discount rate3.83%4.11%

Commitments and Contingencies_6

Commitments and Contingencies (Schedule of Aggregate Minimum Lease Payments) (Details) $ in ThousandsMar. 31, 2021USD ($)
Commitments and Contingencies [Abstract]
2021 $ 10,316
202212,546
20239,390
20247,569
20255,330
Thereafter3,149
Total48,300
Less: Present value discount(3,931)
Operating lease liabilities $ 44,369

Commitments and Contingencies_7

Commitments and Contingencies (Components of Lease Revenue) (Details) $ in ThousandsJul. 01, 2020$ / galJun. 30, 2020$ / galMar. 31, 2021USD ($)$ / galMar. 31, 2020USD ($)
Related Party Transaction [Line Items]
Operating lease revenue $ 16,826 $ 16,954
Variable lease revenue (expense)[1]517 (13)
Sublease revenue77
Total lease revenue $ 17,343 $ 17,018
Fee-based Storage and Throughput Agreement [Member] | Green Plains Trade [Member]
Related Party Transaction [Line Items]
Agreement initial rate, price per gallon | $ / gal0.05312 0.050.05312
[1]Represents amounts charged to Green Plains Trade under the storage and throughput agreement in excess of the initial rate of $ 0.05 per gallon, amounts delivered by Green Plains Trade and other customers in excess of various minimum volume commitments, and the difference between the contracted railcar volumetric capacity and the actual amount provided to Green Plains Trade during the period.

Commitments and Contingencies_8

Commitments and Contingencies (Summary of Minimum Future Rental Revenue) (Details) $ in ThousandsMar. 31, 2021USD ($)
Amended Storage And Throughput Agreement [Member]
Lessor, Lease, Description [Line Items]
2021 $ 34,693
202246,257
202346,257
202446,257
202546,257
Thereafter161,899
Total381,620
Amended Rail Transportation Services Agreement [Member]
Lessor, Lease, Description [Line Items]
202114,207
202217,068
202311,346
20248,816
20255,943
Thereafter
Total $ 57,380

Commitments and Contingencies_9

Commitments and Contingencies (Schedule of Aggregate Minimum Agreement Payments) (Details) $ in ThousandsMar. 31, 2021USD ($)
Commitments and Contingencies [Abstract]
2021 $ 498
2022157
2023
2024
2025
Thereafter
Total $ 655

Related Party Transactions (Nar

Related Party Transactions (Narrative) (Details) gal in Millions, $ in MillionsMar. 31, 2021USD ($)itemgalMar. 21, 2021galJul. 01, 2020$ / galJun. 30, 2020$ / galMar. 31, 2021USD ($)$ / galitemgalMar. 31, 2020USD ($)$ / galitemgalDec. 31, 2022gal
Related Party Transaction [Line Items]
Shared services expenses $ 0.8 $ 0.8
Cumulative minimum volume deficiency credits $ 10.6 10.6
Distribution to Green Plains1.4 5.8
Credit Expiring June 30, 2021 [Member]
Related Party Transaction [Line Items]
Cumulative minimum volume deficiency credits4.3 4.3
Credit Expiring September 30, 2021 [Member]
Related Party Transaction [Line Items]
Cumulative minimum volume deficiency credits2.4 2.4
Credit Expiring December 31, 2021 [Member]
Related Party Transaction [Line Items]
Cumulative minimum volume deficiency credits1.1 1.1
Credit Expiring March 31, 2022 [Member]
Related Party Transaction [Line Items]
Cumulative minimum volume deficiency credits $ 2.8 $ 2.8
Green Plains Trade [Member]
Related Party Transaction [Line Items]
Quarterly minimum volume commitment, throughput capacity (in gallons) | gal232.5 217.7
Minimum volume commitment, throughput capacity, per gallon | $ / gal0.050.05312
Minimum volume commitment credit received $ 2.8
Green Plains Trade [Member] | Fee-based Storage and Throughput and Rail Transportation Agreements [Member]
Related Party Transaction [Line Items]
Revenue from related parties $ 17.3 $ 16.8
Green Plains Trade [Member] | Fee-based Storage and Throughput Agreement [Member]
Related Party Transaction [Line Items]
Service Agreement, Throughput Of Ethanol, Price Per Gallon | $ / gal0.05312 0.050.05312
Quarterly minimum volume commitment, throughput capacity (in gallons) | gal217.7 232.5
Green Plains Trade [Member] | Fee-based Rail Transportation Services Agreement [Member]
Related Party Transaction [Line Items]
Service Agreement, Railcar Volumetric Capacity, Monthly Fee, Price Per Gallon | $ / gal0.0231 0.0214
Railcar volumetric capacity (in gallons) | gal72.9 78.8
Number of railcars in fleet | item2,450 2,450 2,750
Green Plains Trade [Member] | Fee-based Rail Transportation Services Agreement, Logistical Operations Management And Other Services [Member]
Related Party Transaction [Line Items]
Service Agreement, Logistical Operations Management And Other Services Monthly Fee, Price Per Gallon | $ / gal0.0013
Railcar volumetric capacity (in gallons) | gal0.7
Green Plains Trade [Member] | Fee-based Trucking Transportation and Terminal Services Agreements [Member]
Related Party Transaction [Line Items]
Revenue from related parties $ 2 $ 2.2
Green Plains Trade [Member] | Birmingham Terminal Services Agreement [Member] | Scenario, Forecast [Member]
Related Party Transaction [Line Items]
Monthly minimum volume commitment throughput capacity (in gallons) | gal8.3

Equity Method Investment (Narra

Equity Method Investment (Narrative) (Details) $ in Thousands3 Months Ended
Mar. 31, 2021USD ($)itembblDec. 31, 2020USD ($)
Related Party Transaction [Line Items]
Investment in equity method investee $ 4,169 $ 3,994
Accounts receivable for project management fees and construction costs paid on behalf of the joint venture $ 25 $ 25
NLR Energy Logistics LLC [Member]
Related Party Transaction [Line Items]
Joint venture, partnership ownership percentage50.00%
Delek Renewables LLC [Member] | NLR Energy Logistics LLC [Member]
Related Party Transaction [Line Items]
Joint venture, partnership ownership percentage50.00%
NLR Energy Logistics LLC [Member]
Related Party Transaction [Line Items]
Number of train car units | item110
Number of barrels of storage | bbl100,000
Investment in equity method investee $ 4,200