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Fair Value Measurements and Financial Instruments - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Restricted cash $ 0 $ 1,200,000
FPSO segment    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Estimated market participant rate 10.00%  
Arendal Spirit UMS    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Estimated market participant rate 10.00%