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Income Taxes (Schedule of the Reconciliation of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Taxes [Abstract]      
Balance at January 1 $ 1,117 $ 1,208 $ 1,885
Changes in unrecognized tax benefits as a result of tax positions taken during a prior year 10 (107) (666)
Changes in unrecognized tax benefits as a result of tax position taken during the current year $ 277 $ 267 $ 374
Decreases in unrecognized tax benefits relating to settlements with taxing authorities
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations $ (210) $ (251) $ (385)
Balance at December 31 $ 1,194 $ 1,117 $ 1,208