Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Net Income (Loss) Attributable to Parent	$ 41,013
Beginning balance (shares) at Dec. 31, 2013		16,209,315
Beginning balance at Dec. 31, 2013	107,587	$ 2	$ 27,800	$ (431)	$ 92	$ 80,124
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Available to Common Stockholders, Basic	41,013	0	0	0	0
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	3,919	$ 0	0	0	3,919	0
Stock Issued During Period, Shares, Share-based Compensation, Gross		95,099
Stock Issued During Period, Value, Restricted Stock Award, Gross	539	$ 0	539	0	0	0
Stock Issued During Period, Shares, New Issues		4,600,000
Stock Issued During Period, Value, New Issues	54,041	$ 0	54,041	0	0	0
Dividends, Common Stock, Cash	(3,336)	$ 0	0	0	0	(3,336)
Ending balance (shares) at Dec. 31, 2014		20,904,414
Ending balance at Dec. 31, 2014	203,763	$ 2	82,380	(431)	4,011	117,801
Net Income (Loss) Attributable to Parent	27,358
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Available to Common Stockholders, Basic	27,358	0	0	0	0
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(2,391)	$ 0	0	0	(2,391)	0
Stock Issued During Period, Shares, Share-based Compensation, Gross		116,077
Stock Issued During Period, Value, Restricted Stock Award, Gross	1,789	$ 0	1,789	0	0	0
Stock Issued During Period, Shares, New Issues		503,857
Stock Issued During Period, Value, New Issues	12,994	$ 0	12,994	0	0	0
Dividends, Common Stock, Cash	$ (4,302)	$ 0	0	0	0	(4,302)
Ending balance (shares) at Dec. 31, 2015	21,524,348	21,524,348
Ending balance at Dec. 31, 2015	$ 239,211	$ 2	97,163	(431)	1,620	140,857
Net Income (Loss) Attributable to Parent	5,698
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Available to Common Stockholders, Basic	5,698	0	0	0	0
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(798)	$ 0	0	0	(798)	0
Stock Issued During Period, Shares, Share-based Compensation, Gross		89,323
Stock Issued During Period, Value, Restricted Stock Award, Gross	1,677	$ 0	1,677	0	0	0
Stock Issued During Period, Shares, New Issues		32,943
Stock Issued During Period, Value, New Issues	513	$ 0	513	0	0	0
Dividends, Common Stock, Cash	$ (4,974)	$ 0	0	0	0	(4,974)
Ending balance (shares) at Dec. 31, 2016	21,646,614	21,646,614
Ending balance at Dec. 31, 2016	$ 241,327	$ 2	$ 99,353	$ (431)	$ 822	$ 141,581