Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement Of Other Comprehensive Income [Abstract]
Net income	$ 2,970	$ 2,576	$ 6,083	$ 4,821
Unrealized gains (losses) on securities AFS:
Net unrealized holding gains (loss) arising during the period	(1,010)	446	(85)	1,045
Reclassification adjustment for net gains included in net income	(630)		(630)	(341)
Net unrealized gains (losses) on securities before tax expense	(1,640)	446	(715)	704
Income tax (expense) benefit	640	(173)	279	(274)
Total other comprehensive income (loss)	(1,000)	273	(436)	430
Comprehensive income	$ 1,970	$ 2,849	$ 5,647	$ 5,251