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Leases - Schedule of Right of Use Asset and Liability (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Right of Use Asset    
Beginning balance $ 21,270  
Amortization (629) $ (613)
Ending balance 20,641 21,270
Lease Liability    
Beginning balance 23,717  
Disposal (484) (391)
Ending balance $ 23,233 $ 23,717