Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 4,039	$ 3,607
Other Comprehensive Income [Abstract]
Unrealized gains on available-for-sale securities, net of taxes of $(1,871) and $(1,628) for three months ended March 31, 2015 and 2014, respectively.	2,927	2,549
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.	90	0
Less: reclassification adjustment for realized gains included in net income net of taxes of $89 and $74 for three months ended March 31, 2015 and 2014, respectively.	(140)	(117)
Other comprehensive income, net of taxes	2,877	2,432
Comprehensive income	$ 6,916	$ 6,039