Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Unearned ESOP shares	Accumulated Other Comprehensive Loss, Net	Treasury Stock	Total
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
Increase (Decrease) in Stockholders' Equity
Net income			1,869				1,869
Common stock issued for services	$ 1	52					53
Common stock issued for services (in shares)	30,002
Release of unearned ESOP shares		23		81			104
Change in unrealized loss on securities available-for-sale, net of tax					(44)		(44)
Reclassification from accumulated other comprehensive loss to retained earnings			(66)		66
Restricted stock compensation expense		184					184
Stock-based compensation expense		39					39
Balance at Dec. 31, 2017	$ 300	$ 46,117	$ 7,816	$ (1,095)	$ (81)	$ (5,326)	$ 47,731
Balance (in shares) at Dec. 31, 2017	30,069,045