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 income	$ 16,771	$ 20,579	$ 3,737
Other Comprehensive (loss) income:
Change in unrealized (losses) gains on investment securities available-for-sale	(4,332)	(1,368)	4,515
Realized net gains reclassified from other comprehensive income	0	(475)	0
Tax effect on securities	1,646	629	(1,644)
Total other comprehensive (loss) income	(2,686)	(1,214)	2,871
Comprehensive income	$ 14,085	$ 19,365	$ 6,608