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Note 6 - Leases (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Lessee Operating Lease Assets And Liabilities[ Table Text Block]

Leases (In Thousands)	Classification		December 31, 2021				December 31, 2020
Assets:
Operating	Other assets		$	3,441			$	3,372
Liabilities:
Current
Operating	Other current liabilities			1,405				1,134
Noncurrent
Operating	Other liabilities			3,301				2,668
Total lease liabilities			$	4,706			$	3,802

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Maturity of lease liabilities (In Thousands)		Operating leases
2022		$	2,205
2023			1,183
2024			741
2025			748
2026			680
After 2026			316
Total lease payments			5,873
Less: Interest			(1,167	)
Present value of lease liabilities		$	4,706

Lease, Cost [Table Text Block]

(In Thousands)			Year Ended				Year Ended				Year Ended
Lease costs	Classification		December 31, 2021				December 31, 2020				December 31, 2019
Operating lease costs	General and administrative		$	1,369			$	1,270			$	1,336
Short-term leases	General and administrative			2,529				3,483				4,840
Variable lease costs	General and administrative			412				392				313
Sublease income	General and administrative			—				—				(3	)
Net lease cost			$	4,310			$	5,145			$	6,486

Lessee Operating Lease Term And Discount Rate [Table Text Block]

Lease term and discount rate		December 31, 2021
Weighted average remaining lease term in years			3.3
Weighted average discount rate			7.4	%

X

- Definition

Tabular disclosure of operating lease assets and liabilities related to the lessee.

+ References

No definition available.

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Namespace Prefix:	tdw_
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X

- Definition

Tabular disclosure represents the operating lease term and discount rate of leases.

+ References

No definition available.

+ Details

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Namespace Prefix:	tdw_
Data Type:	dtr-types:textBlockItemType
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X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

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X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

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- References

No definition available.

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Namespace Prefix:	us-gaap_
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