Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 4,037	$ 3,168	$ 10,432	$ 9,851
Other comprehensive income (loss):
Unrealized gains (losses) on securities available for sale	1,365	(343)	(29)	3,888
Income tax (expense) benefit	(478)	121	10	(1,360)
Reclassification adjustment for gains on sales of securities	(6)	(315)	(553)	(504)
Income tax expense	3	110	194	176
Other comprehensive income (loss)	884	(427)	(378)	2,200
Comprehensive income	$ 4,921	$ 2,741	$ 10,054	$ 12,051