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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Changes in accumulated other comprehensive income, net of tax        
Beginning Balance $ (3,948) $ (3,259) $ (3,617) $ (3,491)
Other comprehensive income (loss) before reclassifications 228 (305) (107) (76)
Gain (loss) reclassified from other accumulated comprehensive loss   9 4 12
Ending Balance $ (3,720) $ (3,555) $ (3,720) $ (3,555)