Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share
Net income applicable to common stock	$ 1,075	$ 911
Average number of common shares outstanding	11,133,290	11,133,290
Less: Average unallocated ESOP shares	411,877	433,698
Average number of common shares outstanding used to calculate basic and diluted earnings per common share	10,721,413	10,699,592
Earnings per Common share:
Basic (in dollars per share)	$ 0.10	$ 0.09
Diluted (in dollars per share)	$ 0.10	$ 0.09
Potentially dilutive common stock equivalents	0	0