Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net earnings	$ 9,439	$ 11,017	$ 19,110
Unrealized (losses) gains on securities available-for-sale:
Unrealized holding (losses) gains arising during the year	(3,307)	(2,369)	4,687
Less: reclassification adjustment for net gains on sales of securities available-for-sale	(20)	(1,243)	(128)
Unrealized (losses) gains on securities available-for-sale	(3,327)	(3,612)	4,559
Fair value of derivative instruments designated as cash flow hedges:
Change in fair value of derivative instruments designated as cash flow hedges during the year	989	0	0
Total other comprehensive (loss) income, before tax	(2,338)	(3,612)	4,559
Income tax effect related to items of other comprehensive (loss) income	819	1,264	(1,596)
Total other comprehensive (loss) income, net of tax	(1,519)	(2,348)	2,963
Total comprehensive income	$ 7,920	$ 8,669	$ 22,073