XML 55 R41.htm IDEA: XBRL DOCUMENT
v3.19.2

Summary of Future Minimum Rental Commitments (Detail) $ in Thousands | Dec. 31, 2018 USD ($)
--- | ---
Lessee Minimum Rental Commitments Payments Due [Abstract] |
2019 | $ 3,511
2020 | 2,804
2021 | 2,501
2022 | 2,455
2023 | 1,734
After 2023 | 2,495
Total lease payments | $ 15,500

X
- Definition Lessee minimum rental commitments payments due. + References No definition available. + Details
Name: | tdw_LesseeMinimumRentalCommitmentsPaymentsDue
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lessee minimum rental commitments payments due. + References No definition available. + Details
Name: | tdw_LesseeMinimumRentalCommitmentsPaymentsDueAbstract
Namespace Prefix: | tdw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lessee minimum rental commitments payments due after year five. + References No definition available. + Details
Name: | tdw_LesseeMinimumRentalCommitmentsPaymentsDueAfterYearFive
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lessee minimum rental commitments payments due next twelve months. + References No definition available. + Details
Name: | tdw_LesseeMinimumRentalCommitmentsPaymentsDueNextTwelveMonths
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lessee minimum rental commitments payments due year five. + References No definition available. + Details
Name: | tdw_LesseeMinimumRentalCommitmentsPaymentsDueYearFive
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lessee minimum rental commitments payments due year four. + References No definition available. + Details
Name: | tdw_LesseeMinimumRentalCommitmentsPaymentsDueYearFour
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lessee minimum rental commitments payments due year three. + References No definition available. + Details
Name: | tdw_LesseeMinimumRentalCommitmentsPaymentsDueYearThree
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lessee minimum rental commitments payments due year two. + References No definition available. + Details
Name: | tdw_LesseeMinimumRentalCommitmentsPaymentsDueYearTwo
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant