Annual report pursuant to Section 13 and 15(d)

Accrued Liabilities and Other (Schedule of Accrued Liabilities and Other Balances) (Details)

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Accrued Liabilities and Other (Schedule of Accrued Liabilities and Other Balances) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Accrued Liabilities and Other [Abstract]    
Accrued accounts payable invoices $ 11,967 $ 4,070
Gabon DMO, PID and PIH obligations 9,465 3,960
Derivative liability - crude oil swaps 4,806  
Capital expenditures 11,327 435
Stock appreciation rights - current portion 609 2,289
Accrued wages and other compensation 2,124 2,108
ARO Obligation 6,745  
Other 2,401 4,322
Total accrued liabilities and other $ 49,444 $ 17,184