Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 3,663	$ 3,915	$ 11,858	$ 11,551
Other Comprehensive Income [Abstract]
Unrealized gains on available-for-sale securities, net of taxes of $(1,709) and $(1,073) for three months ended September 30, 2015 and 2014, respectively and $(1,662) and $(4,605) for nine months ended September 30, 2015 and 2014, respectively.	2,676	1,679	2,601	7,209
Amortized holding losses on held-to-maturity securities transferred from available-for-sale, net of taxes of $(57) and $0 for three months ended March 31, 2015 and 2014, respectively.	80	(844)	276	(844)
Less: reclassification adjustment for realized (gains) losses included in net income net of taxes of $0 and $(8) for three months ended September 30, 2015 and 2014, respectively and $90 and $278 for nine months ended September 30, 2015 and 2014, respectively.	(1)	12	(141)	(436)
Other comprehensive income, net of taxes	2,755	847	2,736	5,929
Comprehensive income	$ 6,418	$ 4,762	$ 14,594	$ 17,480