Earnings per Common Share and Share Repurchase Plans (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	May 18, 2016	Jan. 30, 2015
Potentially dilutive common stock (in shares)			0
Earnings Per Common Share, Basic and Diluted
Net income applicable to common stock	$ 946,000	$ 302,000	$ 1,585,000	$ 675,000
Weighted average common shares outstanding	4,680,322	4,919,088	4,741,221	4,933,714
Less: Average unallocated ESOP shares (in shares)	(358,326)	(374,163)	(360,289)	(376,126)
Weighted average number of common shares outstanding - basic	4,321,996	4,544,925	4,380,932	4,557,588
Dilutive impact of restricted stock	2,065		1,246
Weighted average number of common shares outstanding - diluted	4,324,061	4,544,925	4,382,178	4,557,588
Earnings per share - basic	$ 0.22	$ 0.07	$ 0.36	$ 0.15
Earnings per share - diluted	$ 0.22	$ 0.07	$ 0.36	$ 0.15
Shares excluded from computing diluted earnings per share	10,087		7,553
Number of stock options granted (in shares)		0		0
Repurchase of common stock			$ 4,616,000	$ 532,000
Share Repurchase Program 2015
Earnings Per Common Share, Basic and Diluted
Common stock authorized to repurchased under repurchase program (in shares)						247,499
Common stock repurchased (in shares)	71,659	38,900	71,659	47,600
Repurchase of common stock	$ 932,000	$ 435,000	$ 932,000	$ 532,000
Common stock repurchased per share (in dollars per share)	$ 13.00
Share Repurchase Program 2016
Earnings Per Common Share, Basic and Diluted
Common stock authorized to repurchased under repurchase program (in shares)					235,086
Common stock repurchased (in shares)	235,086		235,086
Repurchase of common stock	$ 3,100,000		$ 3,100,000
Common stock repurchased per share (in dollars per share)	$ 13.00		$ 13.00