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Accumulated Other Comprehensive Loss (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Changes in accumulated other comprehensive income, net of tax        
Beginning Balance $ (3,414) $ (3,340) $ (3,491) $ (3,247)
Other comprehensive income (loss) before reclassifications 153 (622) 230 (709)
Gain reclassified from other accumulated comprehensive loss 2 27 2 21
Ending Balance $ (3,259) $ (3,935) $ (3,259) $ (3,935)