Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Other Comprehensive Income [Abstract]
Net income	$ 14,722	$ 14,025	$ 11,372
Other Comprehensive Income [Abstract]
Unrealized gains (losses) on available-for-sale securities, net of taxes of $7,362, $(1,256) and $(3,206), for the years ended December 31, 2013, 2012 and 2011, respectively	(11,525)	1,966	5,020
Less: reclassification adjustment for realized gains included in net income net of taxes of $894, $364 and $189, for the years ended December 31, 2013, 2012 and 2011, respectively	(1,399)	(570)	(297)
Other-than-temporary impairment losses recognized in earnings net income taxes of $0, for the years ended December 31, 2013 and 2012 and $(345) for 2011	0	0	541
Unrealized losses on available-for-sale securities for which a portion of an other-than-temporary impairment has been recognized in income, net of taxes of $0, for the years ended December 31, 2013 and 2012 and $31 for 2011	0	0	50
Other comprehensive income (loss), net of taxes	(12,924)	1,396	5,214
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 1,798	$ 15,421	$ 16,586