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Leases - Components of Lease Cost (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Leases    
Amortization of right-of-use assets $ 1,350 $ 1,357
Interest on lease liabilities 4 46
Total finance lease cost 1,354 1,403
Operating lease cost 1,338 1,511
Total lease cost $ 2,692 $ 2,914