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Commitments and Contingencies Lease Assets and Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Lessee, Lease, Description    
Operating Lease, Right-of-Use Asset $ 1,832 $ 2,168
Finance Lease, Right-of-Use Asset, after Accumulated Amortization 677 1,214
Total Lease Assets 2,509 3,382
Operating Lease, Liability 2,038 2,311
Finance Lease, Liability 21 36
Total Lease Liability $ 2,059 $ 2,347