Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 4,161	$ 6,152	$ 8,696	$ 9,843
Other comprehensive income:
Unrealized holding gain (loss) on available for sale securities	(1,375)	2,761	474	5,290
Reclassification adjustment for net gains arising during the period	(138)	(629)	(143)	(764)
Change in fair value of derivative used for cash flow hedge	(10)	(32)	(84)	70
Other comprehensive income (loss), before tax	(1,523)	2,100	247	4,596
Tax benefit (expense) related to items of other comprehensive income	617	(812)	(85)	(1,778)
Other comprehensive income (loss), net of tax	(906)	1,288	162	2,818
Comprehensive income	$ 3,255	$ 7,440	$ 8,858	$ 12,661