Commitments and Contingencies - Additional Information (Details) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2018
USD ($)
vessel
|
Dec. 31, 2020
USD ($)
vessel
|
Dec. 31, 2019
USD ($)
vessel
|
|
| Loss Contingencies [Line Items] | |||
| Number of multi-purpose service vessels | vessel | 2 | 2 | 2 |
| Contract asset under dispute, noncurrent | $ 12.5 | $ 12.5 | |
| Surety Bond | |||
| Loss Contingencies [Line Items] | |||
| Claims under performance bonds issued | $ 50.0 |
| X | ||||||||||
- Definition Construction in progress, number of multi-purpose service vessels. No definition available.
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| X | ||||||||||
- Definition Contract asset under dispute noncurrent. No definition available.
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| X | ||||||||||
- Definition Loss contingency under performance bonds issued. No definition available.
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Details
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