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Income Taxes (Schedule of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits ) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Reconciliation of the beginning and ending amount of unrecognized tax benefits      
Beginning of year $ 4,864 $ 6,392 $ 4,678
Additions based on tax positions related to the current year 1,023 918 1,695
Additions for tax positions in prior years 364 770 657
Reductions for tax positions in prior years (51) (2,907) (38)
Reductions as a result of a lapse of the applicable statute of limitations (925) (309) (600)
End of year $ 5,275 $ 4,864 $ 6,392