Accumulated Other Comprehensive Gain (Loss) (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Accumulated Other Comprehensive Gain (Loss) [Abstract]
Net unrealized gains and losses, beginning balance	$ (378)	$ (1,057)
Other comprehensive gain (loss) before reclassifications	278	(77)
Amounts reclassified from accumulated other comprehensive Income		(5)
Net other comprehensive gain (loss)	278	(82)
Net unrealized gains and losses, ending balance	$ (100)	$ (1,139)