Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net income	$ 3,233	$ 4,210	$ 6,683	$ 8,361
Other comprehensive income (loss):
Unrealized gains (losses) on securities available for sale	2,422	(7,299)	4,231	(8,181)
Income tax benefit (expense)	(848)	2,554	(1,481)	2,863
Reclassification adjustment for (gains) on securities	(150)	(1)	(189)	(199)
Income tax expense	52	1	66	70
Other comprehensive income (loss)	1,476	(4,745)	2,627	(5,447)
Comprehensive income (loss)	$ 4,709	$ (535)	$ 9,310	$ 2,914