Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net earnings	$ 2,493	$ 5,099	$ 4,842	$ 6,590
Unrealized gains on securities available-for-sale:
Unrealized holding gains (losses) arising during the year	2,060	(2,971)	4,862	(1,270)
Less: reclassification adjustment for gains on sales of securities available-for-sale	(20)	(1,128)	(20)	(1,243)
Total other comprehensive income (loss), before tax	2,040	(4,099)	4,842	(2,513)
Income tax effect related to items of other comprehensive income (loss)	(714)	1,435	(1,694)	880
Total other comprehensive income (loss), net of tax	1,326	(2,664)	3,148	(1,633)
Total comprehensive income	$ 3,819	$ 2,435	$ 7,990	$ 4,957