Annual report pursuant to Section 13 and 15(d)

Restricted Deposits for ARO (Details Textual)

v3.22.0.1
Restricted Deposits for ARO (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Escrow Liability, Noncurrent   $ 11,103
Transfer of Escrow Deposit into Cash $ 11,100  
Other Non-operating Income Expense from Asset Retirement Obligation $ 11,100  
Restricted Deposits for Asset Retirement Obligations [Member]    
Escrow Deposit   13,900
Other liabilities (long-term) [Member]    
Escrow Liability, Noncurrent   $ 11,100