Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Other Comprehensive Income [Abstract]
Net income	$ 3,607	$ 3,528
Other Comprehensive Income [Abstract]
Unrealized gains (losses) on available-for-sale securities, net of taxes of $(1,628) and $700 for three months ended March 31, 2014 and 2013, respectively.	2,549	(1,096)
Less: reclassification adjustment for realized gains included in net income net of taxes of $74 and $138 for three months ended March 31, 2014 and 2013, respectively.	(117)	(215)
Other comprehensive income (loss), net of taxes	2,432	(1,311)
Comprehensive income	$ 6,039	$ 2,217