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Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at beginning of period $ 2,084 $ 1,916 $ 1,881
Additions (reductions) based on tax positions related to current year 209 168 267
Reductions related to lapses of statute of limitations 0 0 (232)
Balance at end of period $ 2,293 $ 2,084 $ 1,916