Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net income	$ 3,168	$ 4,243	$ 9,851	$ 12,604
Other comprehensive income (loss):
Unrealized gains (losses) on securities available for sale	(343)	193	3,888	(7,988)
Income tax benefit (expense)	121	(67)	(1,360)	2,796
Reclassification adjustment for (gains) on securities	(315)	(4)	(504)	(203)
Income tax expense	110	1	176	71
Other comprehensive income (loss)	(427)	123	2,200	(5,324)
Comprehensive income (loss)	$ 2,741	$ 4,366	$ 12,051	$ 7,280