Document and Entity Information
Document and Entity Information - USD ($) | 12 Months Ended | 24 Months Ended | ||
Dec. 31, 2021 | Dec. 31, 2020 | Feb. 25, 2022 | Jun. 30, 2021 | |
Document and Entity Information | ||||
Document Type | 10-K/A | |||
Document Annual Report | true | |||
Document Transition Report | false | |||
Document Period End Date | Dec. 31, 2021 | |||
Entity File Number | 0-26823 | |||
Entity Registrant Name | ALLIANCE RESOURCE PARTNERS LP | |||
Entity Incorporation, State or Country Code | DE | |||
Entity Tax Identification Number | 73-1564280 | |||
Entity Address, Address Line One | 1717 South Boulder Avenue, Suite 400 | |||
Entity Address, City or Town | Tulsa | |||
Entity Address, State or Province | OK | |||
Entity Address, Postal Zip Code | 74119 | |||
City Area Code | 918 | |||
Local Phone Number | 295-7600 | |||
Entity Well-known Seasoned Issuer | Yes | |||
Entity Voluntary Filers | No | |||
Entity Current Reporting Status | Yes | |||
Entity Interactive Data Current | Yes | |||
Entity Filer Category | Large Accelerated Filer | |||
Entity Small Business | false | |||
Entity Emerging Growth Company | false | |||
ICFR Auditor Attestation Flag | true | |||
Entity Shell Company | false | |||
Title of 12(b) Security | Common Units | |||
Trading Symbol | ARLP | |||
Security Exchange Name | NASDAQ | |||
Entity Common Units Outstanding | 127,195,219 | |||
Entity Public Float | $ 745,685,497 | |||
Auditor Name | Grant Thornton LLP | Ernst & Young LLP | ||
Auditor Firm ID | 248 | 42 | ||
Auditor Location | Tulsa, Oklahoma | Tulsa, Oklahoma | ||
Entity Central Index Key | 0001086600 | |||
Current Fiscal Year End Date | --12-31 | |||
Document Fiscal Year Focus | 2021 | |||
Document Fiscal Period Focus | FY | |||
Amendment Flag | false |