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Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance $ 1,744 $ 3,122 $ 6,269
Additions based on tax positions related to prior years 265 318 179
Expirations of the statute of limitations (354) (1,254) (3,076)
Settlements (132) (442) (250)
Balance $ 1,523 $ 1,744 $ 3,122