Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income applicable to common stock	$ 1,150	$ 1,348	$ 1,075	$ 2,091	$ 1,221	$ 911	$ 3,573	$ 4,223
Average number of common shares outstanding	11,133,290			11,133,290			11,133,290	11,133,290
Less: Average unearned ESOP shares	400,969			422,790			406,423	428,244
Average number of common shares outstanding used to calculate basic and diluted earnings per common share	10,732,321			10,710,500			10,726,867	10,705,046
Earnings per Common share:
Basic (in dollars per share)	$ 0.10			$ 0.20			$ 0.33	$ 0.39
Diluted (in dollars per share)	$ 0.10			$ 0.20			$ 0.33	$ 0.39
Potentially dilutive common stock equivalents				0				0
2020 EIP | Stock options
Earnings per Common share:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	433,385						433,385
Nonvested options outstanding at an average weighted price (in dollars per share)	$ 6.57						$ 6.57
2020 EIP | Restricted stock
Earnings per Common share:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	169,769						169,769
Nonvested restricted stock outstanding at an average weighted price (in dollars per share)	$ 6.57						$ 6.57