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Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Loss Contingencies [Line Items]    
Performance obligations $ 2,965  
Bank Credit Facility | Letter of Credit    
Loss Contingencies [Line Items]    
Credit facility 13,600 $ 13,600
Production Sharing Contracts | Mexico    
Loss Contingencies [Line Items]    
Performance obligations $ 651,800 $ 637,300