Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net (loss) earnings	$ (5,414)	$ 2,493	$ (2,923)	$ 4,842
Unrealized gains on securities available-for-sale:
Unrealized holding gains arising during the year	2,739	2,060	3,559	4,862
Less: reclassification adjustment for gains on sales of securities available-for-sale	(3)	(20)	(9)	(20)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax	2,736	2,040	3,550	4,842
Fair value of derivative instruments designated as cash flow hedges:
Change in fair value of derivative instruments designated as cash flow hedges	(136)	0	(123)	0
Total other comprehensive income, before tax	2,600	2,040	3,427	4,842
Income tax effect related to items of other comprehensive income	(910)	(714)	(1,200)	(1,694)
Total other comprehensive income, net of tax	1,690	1,326	2,227	3,148
Total comprehensive (loss) income	$ (3,724)	$ 3,819	$ (696)	$ 7,990