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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]      
Unrecognized tax benefits at beginning of year $ 11,538 $ 10,821 $ 11,626
Gross increases for tax positions taken in current period 0 0 0
Gross increases for positions taken in prior periods 268 717  
Gross decreases for positions taken in prior periods     (805)
Settlements with taxing authorities (966) 0 0
Unrecognized tax benefits at end of the year $ 10,840 $ 11,538 $ 10,821