Changes and Reclassifications Out of Accumulated Other Comprehensive Income (Tax Effect of Changes and Reclassifications Out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Changes and Reclassifications Out of Other Comprehensive Income [Abstract]
Realized (gains) losses on sale of securities	$ 295	$ (354)
Tax expense (benefit)	107	(124)
Reclassified amount, net of tax	$ 188	$ (230)