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Accumulated Other Comprehensive Loss (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Changes in accumulated other comprehensive income, net of tax    
Beginning Balance $ (3,935) $ (3,247)
Other comprehensive income (loss) before reclassifications 399 (310)
Gain (loss) reclassified from other accumulated comprehensive loss   21
Ending Balance $ (3,536) $ (3,536)