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Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Balance, beginning of year $ 655 $ 5,020
Increases related to prior year tax positions 0 77
Decreases related to prior year tax positions (18) (4,564)
Increases related to current year tax positions 104 122
Balance, end of year $ 741 $ 655