Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 16,512	$ 15,461	$ 14,722
Other Comprehensive Income [Abstract]
Unrealized gains (losses) on available-for-sale securities, net of taxes of $(1,005), $(5,590), and $7,362 for the years ended December 31, 2015, 2014 and 2013, respectively	1,572	8,751	(11,525)
Unamortized holding gains (losses) on held to maturity securities transferred from available for sale, net of taxes of $(193), $518, $0 for December 31, 2015, 2014 and 2013.	302	(810)	0
Less: reclassification adjustment for realized gains included in net income net of taxes of $176, $279, $894 for the years ended December 31, 2015, 2014 and 2013, respectively	(276)	(436)	(1,399)
Other comprehensive income (loss), net of taxes	1,598	7,505	(12,924)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 18,110	$ 22,966	$ 1,798