Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 4,029	$ 3,665	$ 7,636	$ 7,193
Other Comprehensive Income [Abstract]
Unrealized gains (losses) on available-for-sale securities, net of taxes of $(1,904) and $6,061 for three months ended June 30, 2014 and 2013, respectively and $(3,532) and $6,761 for six months ended June 30 2014 and 2013, respectively.	2,981	(9,488)	5,530	(10,584)
Less: reclassification adjustment for realized gains included in net income net of taxes of $212 and $188 for three months ended June 30, 2014 and 2013, respectively and $286 and $326 for six months ended June 30, 2014 and 2013, respectively.	(331)	(294)	(448)	(509)
Other comprehensive income (loss), net of taxes	2,650	(9,782)	5,082	(11,093)
Comprehensive income (loss)	$ 6,679	$ (6,117)	$ 12,718	$ (3,900)