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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Changes in accumulated other comprehensive income, net of tax    
Beginning Balance $ (3,617) $ (3,491)
Other comprehensive income (loss) before reclassifications (4) (191)
Gain (loss) reclassified from other accumulated comprehensive loss (584) 65
Ending Balance $ (4,205) $ (3,617)