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Commitments and Contingencies Lease Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Lease Costs        
Operating Lease, Expense $ 160 $ 166 $ 320 $ 331
Finance Lease, Right-of-Use Asset, Amortization 113 196 242 391
Finance Lease, Interest Expense 1 0 1 0
Lease, Cost $ 274 $ 362 $ 563 $ 722