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Income Taxes (Change in 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]      
Beginning balance $ 378 $ 1,312 $ 1,496
Additions based on tax positions related to the current year 293 0 325
Reductions for tax positions for prior years 0 (325) 0
Changes due to lapse of statute of limitations (240) (609) (509)
Ending balance $ 431 $ 378 $ 1,312