Consolidated Statements of Stockholders' Equity and Mezzanine Equity (Unaudited) - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Unallocated ESOP Plan Shares Stock Ownership Shares	Treasury Stock	Total	Mezzanine equity Redeemable Common Stock
Balance at Dec. 31, 2013	$ 209	$ 17,096	$ 34,893	$ (264)		$ (28,193)	$ 23,741	$ 2,342
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			865				865
Other comprehensive income, net of related taxes				343			343
Cash dividends declared ($0.54 and $0.45 per share for September 30, 2015 and 2014 respectively)			(342)				(342)
Stock-based compensation		$ 25					25
Treasury stock purchases						(563)	$ (563)
Change in fair value related to redeemable common stock
Balance at Sep. 30, 2014	209	$ 17,121	35,416	79		(28,756)	$ 24,069	2,342
Balance at Dec. 31, 2014	209	17,110	35,552	93		(28,878)	24,086	2,533
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			4,463				4,463
Issuance of 78,736 shares of common stock including 6,299 shares acquired by the ESOP, net of issuance costs	$ 8	999			$ (172)		835
Other comprehensive income, net of related taxes				77			77
Cash dividends declared ($0.54 and $0.45 per share for September 30, 2015 and 2014 respectively)			(412)				(412)
Stock-based compensation		10					10
Treasury stock purchases			276			(381)	$ (105)	(276)
Change in fair value related to redeemable common stock
Balance at Sep. 30, 2015	$ 217	$ 18,119	$ 39,879	$ 170	$ (172)	$ (29,259)	$ 28,954	$ 2,257