Earnings Per Share - Schedule of Reconciliation of Number of Shares Used in Calculation of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended				6 Months Ended
	May 06, 2029	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net income (loss)	$ (1,784)	$ 5,932	$ 2,452	$ (571)	$ (1,213)	$ 8,384	$ (1,784)
Common shares outstanding for basic EPS:
Weighted average common shares outstanding		17,255,592		17,290,254		17,167,691	17,334,830
Less: Weighted average unallocated Employee Stock Ownership Plan (ESOP) shares		518,555		566,805		524,553	572,837
Basic weighted average common shares outstanding	16,761,993	16,737,037		16,723,449		16,643,138	16,761,993
Basic earnings (loss) per common share	$ (0.11)	$ 0.35		$ (0.03)		$ 0.50	$ (0.11)
Potential dilutive common shares:
Add: Dilutive effect of restricted stock awards and stock options		36,569				18,285
Diluted weighted average common shares outstanding	16,761,993	16,773,606		16,723,449		16,661,423	16,761,993
Diluted earnings (loss) per common share	$ (0.11)	$ 0.35		$ (0.03)		$ 0.50	$ (0.11)