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Note 7 - Leases (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Lessee Operating Lease Assets And Liabilities[ Table Text Block]

Leases (In thousands)	Classification		December 31, 2020				December 31, 2019
Assets:
Operating	Other assets		$	3,372			$	4,338
Liabilities:
Current
Operating	Other current liabilities			1,134				501
Noncurrent
Operating	Other liabilities			2,668				4,274
Total lease liabilities			$	3,802			$	4,775

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

Maturity of lease liabilities (In thousands)		Operating leases
2021		$	1,318
2022			1,094
2023			717
2024			273
2025			273
After 2025			547
Total lease payments		$	4,222
Less: Interest			(420	)
Present value of lease liabilities		$	3,802

Lease, Cost [Table Text Block]

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

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

Lease term and discount rate		December 31, 2020
Weighted average remaining lease term in years			3.1
Weighted average discount rate			7.3	%

X

- Definition

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

+ References

No definition available.

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- Definition

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

+ References

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Namespace Prefix:	tdw_
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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=121609121&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=121609121&loc=SL77918701-209980

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