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Revenue Recognition - Additional Information (Detail) $ in Thousands | Mar. 31, 2020 USD ($)
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Unsatisfied Performance Obligations |
Disaggregation Of Revenue [Line Items] |
Deferred mobilization revenue included within other current liabilities | $ 617
Vessel Mobilization |
Disaggregation Of Revenue [Line Items] |
Deferred costs included within other current assets and other assets | 6,100
Vessel Mobilization | Unsatisfied Performance Obligations |
Disaggregation Of Revenue [Line Items] |
Deferred mobilization revenue included within other current liabilities | 600
Vessel Mobilization | Other Assets |
Disaggregation Of Revenue [Line Items] |
Deferred costs included within other current assets and other assets | $ 700

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