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Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Taxes [Abstract]    
Unrecognized tax benefit - January 1 $ 821 $ 820
Gross increases - tax positions in prior period 14 1
Gross decreases - tax positions in prior period
Gross increases - tax positions in current period
Settlements
Lapse of statute of limitations
Unrecognized tax benefit - December 31 $ 835 $ 821