XML 49 R33.htm IDEA: XBRL DOCUMENT
v3.22.4

Note 10 - Stock-based Compensation and Incentive Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Notes Tables |
Schedule Of Common Stock Shares Reserved For Issuance And Shares Available For Grant [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Shares of common stock reserved for issuance under the plans |  |  | 6,473,228 |  |  |  | 6,473,228 |  |  |  | 3,973,228 |
Shares of common stock available for future grants |  |  | 2,466,167 |  |  |  | 3,037,187 |  |  |  | 1,591,577 |
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  | Weighted-average |  |  | Time |  |  | Weight-average |  |  |  |  |
|  | Grant-Date |  |  | Based |  |  | Grant Date |  |  | Performance |
|  | Fair Value |  |  | Units |  |  | Fair Value |  |  | Based Units |
Non-vested balance at December 31, 2019 |  | $ | 23.32 |  |  |  | 403,768 |  |  | $ | 25.54 |  |  |  | 93,814 |
Granted |  |  | 5.95 |  |  |  | 594,234 |  |  |  | — |  |  |  | — |
Vested |  |  | 24.05 |  |  |  | (265,919 | ) |  |  | 26.04 |  |  |  | (63,365 | )
Non-vested balance at December 31, 2020 |  | $ | 8.95 |  |  |  | 732,083 |  |  | $ | 24.50 |  |  |  | 30,449 |
Granted |  |  | 13.26 |  |  |  | 452,403 |  |  |  | — |  |  |  | — |
Vested |  |  | 10.97 |  |  |  | (406,604 | ) |  |  | — |  |  |  | — |
Cancelled/forfeited |  |  | 24.50 |  |  |  | (1,769 | ) |  |  | — |  |  |  | — |
Non-vested balance at December 31, 2021 |  | $ | 10.37 |  |  |  | 776,113 |  |  | $ | 24.50 |  |  |  | 30,449 |
Granted |  |  | 14.46 |  |  |  | 448,433 |  |  |  | 12.72 |  |  |  | 126,724 |
Vested |  |  | 10.62 |  |  |  | (355,226 | ) |  |  | 24.50 |  |  |  | (15,225 | )
Cancelled/forfeited |  |  | 12.72 |  |  |  | (3,000 | ) |  |  | 24.50 |  |  |  | (15,224 | )
Non-vested balance at December 31, 2022 |  | $ | 12.33 |  |  |  | 866,320 |  |  | $ | 12.72 |  |  |  | 126,724 |
(In Thousands) |  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Grant date fair value of restricted stock units vested |  | $ | 3,561 |  |  | $ | 4,460 |  |  | $ | 6,395 |
Restricted stock unit compensation expense |  |  | 6,469 |  |  |  | 5,638 |  |  |  | 5,117 |

X
- Definition Tabular disclosure of common stock shares reserved for issuance and shares available for grant. + References No definition available. + Details
Name: | tdw_ScheduleOfCommonStockSharesReservedForIssuanceAndSharesAvailableForGrantTableTextBlock
Namespace Prefix: | tdw_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration