XML 37 R24.htm IDEA: XBRL DOCUMENT
v3.19.1

REVENUE RECOGNITION (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Revenue From Contract With Customer [Abstract] |
Summarizes The Revenue Expected to be Recognized in Future Related to Unsatisfied Performance Obligations | The table below summarizes the revenue expected to be recognized in future quarters related to unsatisfied performance obligations as of March 31, 2019:
|  | For the three months ended |  |
(In thousands) |  | June 30, 2019 |  | September 30, 2019 |  | Total
Deferred mobilization revenue | $ |  | 136 |  |  |  |  | 137 |  |  |  |  | 273 |  |

X
- Definition Summarizes the revenue expected to be recognized in future related to unsatisfied performance obligations. + References No definition available. + Details
Name: | tdw_SummarizesTheRevenueExpectedToBeRecognizedInFutureRelatedToUnsatisfiedPerformanceObligationsTableTextBlock
Namespace Prefix: | tdw_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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