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Commitments and Contingencies Lease Liability Cash Activity (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Financing Lease Liability Activity [Abstract]    
Finance Lease, Principal Payments $ 68 $ 631
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 14 2,471
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability $ 70 $ 652
Operating Lease, Weighted Average Discount Rate, Percent 3.61% 3.57%
Finance Lease, Weighted Average Discount Rate, Percent 3.27% 3.27%