Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share
Net income applicable to common stock	$ 1,348	$ 1,075	$ 1,221	$ 911	$ 2,423	$ 2,132
Average number of common shares outstanding	11,133,290		11,133,290		11,133,290	11,133,290
Less: Average unearned ESOP shares	406,423		428,243		409,150	430,970
Average number of common shares outstanding used to calculate basic and diluted earnings per common share	10,726,867		10,705,047		10,724,140	10,702,320
Earnings per Common share:
Basic (in dollars per share)	$ 0.13		$ 0.11		$ 0.23	$ 0.20
Diluted (in dollars per share)	$ 0.13		$ 0.11		$ 0.23	$ 0.20
Potentially dilutive common stock equivalents	0		0		0	0