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Commitments and Contingencies Lease Costs (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Lease Costs    
Operating Lease, Expense $ 160 $ 165
Finance Lease, Right-of-Use Asset, Amortization 129 196
Lease, Cost $ 289 $ 361