Schedule of Vessel Commitments (Detail) $ in Thousands |
1 Months Ended | 9 Months Ended | ||||
---|---|---|---|---|---|---|
May 31, 2015
USD ($)
Vessel
|
Dec. 31, 2016
USD ($)
Vessel
|
|||||
Vessel Commitments | ||||||
Significant Purchase and Supply Commitment [Line Items] | ||||||
Number of Vessels, commitments | Vessel | 3 | |||||
Total cost, commitments | $ 164,279 | |||||
Invested, commitments | 117,624 | |||||
Remaining Balance, commitments | $ 46,655 | |||||
Deepwater PSVs | ||||||
Significant Purchase and Supply Commitment [Line Items] | ||||||
Number of vessels under construction | Vessel | 2 | 3 | [1] | |||
Total cost, under construction | [1] | $ 164,279 | ||||
Invested, under construction | $ 5,400 | 117,624 | [1] | |||
Remaining Balance, under construction | [1] | $ 46,655 | ||||
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