Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Unearned ESOP shares	Accumulated Other Comprehensive Income, Net	Treasury Stock	Total
Balance at Dec. 31, 2014	$ 292	$ 44,669	$ (6,539)		$ 165	$ (1,329)	$ 37,258
Balance (in shares) at Dec. 31, 2014	29,180,699
Increase (Decrease) in Stockholders' Equity
Net income			9,072				9,072
Change in unrealized loss on securities available-for-sale, net of tax					(167)		(167)
Balance at Dec. 31, 2015	$ 292	44,669	2,533		(2)	(1,329)	46,163
Balance (in shares) at Dec. 31, 2015	29,180,699
Increase (Decrease) in Stockholders' Equity
Net income			3,480				3,480
Common stock issued	$ 7	1,118					1,125
Common stock issued (in shares)	737,861
Restricted stock award (in shares)	120,483
Treasury stock acquired						(3,997)	(3,997)
Unearned ESOP shares				$ (1,176)			(1,176)
Change in unrealized loss on securities available-for-sale, net of tax					(101)		(101)
Stock-based compensation expense		32					32
Balance at Dec. 31, 2016	$ 299	$ 45,819	$ 6,013	$ (1,176)	$ (103)	$ (5,326)	$ 45,526
Balance (in shares) at Dec. 31, 2016	30,039,043