Accumulated Other Comprehensive Income (Loss) (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Unrealized gains and losses on available-for-sale securities
Total reclassifications for the period	$ 0	$ (434)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Unrealized gains and losses on available-for-sale securities
Gain on sale of securities		658
Tax expense		(224)
Total reclassifications for the period		$ 434