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TDW Tidewater

Document And Entity Information

Document And Entity InformationFeb. 26, 2021
Document Information [Line Items]
Entity, Registrant NameTIDEWATER INC.
Document, Type8-K
Document, Period End DateFeb. 26,
2021
Entity, Incorporation, State or Country CodeDE
Entity, File Number1-6311
Entity, Tax Identification Number72-0487776
Entity, Address, Address Line One6002 Rogerdale Road, Suite 600
Entity, Address, City or TownHouston
Entity, Address, State or ProvinceTX
Entity, Address, Postal Zip Code77072
City Area Code713
Local Phone Number470-5300
Written Communicationsfalse
Soliciting Materialfalse
Pre-commencement Tender Offerfalse
Pre-commencement Issuer Tender Offerfalse
Entity, Emerging Growth Companyfalse
Amendment Flagfalse
Entity, Central Index Key0000098222
CommonStock Custom [Member]
Document Information [Line Items]
Title of 12(b) SecurityCommon stock
Trading SymbolTDW
Security Exchange NameNYSE
SeriesAWarrantsToPurchaseSharesOfCommonStock Custom [Member]
Document Information [Line Items]
Title of 12(b) SecuritySeries A Warrants to purchase shares of common stock
Trading SymbolTDW.WS.A
Security Exchange NameNYSE
SeriesBWarrantsToPurchaseSharesOfCommonStock Custom [Member]
Document Information [Line Items]
Title of 12(b) SecuritySeries B Warrants to purchase shares of common stock
Trading SymbolTDW.WS.B
Security Exchange NameNYSE
WarrantsToPurchaseSharesOfCommonStock Custom [Member]
Document Information [Line Items]
Title of 12(b) SecurityWarrants to purchase shares of common stock
Trading SymbolTDW.WS
Security Exchange NameNYSEAMER
PreferredStockPurchaseRights Custom [Member]
Document Information [Line Items]
Title of 12(b) SecurityPreferred stock purchase rights
Security Exchange NameNYSE
No Trading Symbol Flagtrue