CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands		Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Unearned Compensation ESOP [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2018			$ 45,895	$ 83,351	$ (255)	$ (2,619)	$ (788)	$ 125,584
Balance (in shares) at Dec. 31, 2018	[1]	19,455,503
Increase (Decrease) in Stockholders' Equity
Net income				8,258				8,258
Other comprehensive income					814			814
Stock-based compensation expense, net of forfeitures			755					755
Restricted stock award forfeiture (in shares)	[1]	(7,876)
ESOP shares earned			261			179		440
Balance at Sep. 30, 2019			46,911	91,609	559	(2,440)	(788)	135,851
Balance (in shares) at Sep. 30, 2019	[1]	19,447,627
Balance at Jun. 30, 2019			46,567	88,100	384	(2,500)	(788)	131,763
Balance (in shares) at Jun. 30, 2019	[1]	19,447,627
Increase (Decrease) in Stockholders' Equity
Net income				3,509				3,509
Other comprehensive income					175			175
Stock-based compensation expense, net of forfeitures			245					245
ESOP shares earned			99			60		159
Balance at Sep. 30, 2019			46,911	91,609	559	(2,440)	$ (788)	135,851
Balance (in shares) at Sep. 30, 2019	[1]	19,447,627
Balance at Dec. 31, 2019		$ 195	146,174	94,159	458	(10,053)		230,933
Balance (in shares) at Dec. 31, 2019	[1]	19,473,818
Increase (Decrease) in Stockholders' Equity
Net income				7,683				7,683
Dividends declared				(1,167)				(1,167)
Other comprehensive income					601			601
Stock-based compensation expense, net of forfeitures			760					760
Restricted stock award grants net of forfeitures (in shares)	[1]	(1,508)
ESOP shares earned			98			523		621
Balance at Sep. 30, 2020		$ 195	147,032	100,675	1,059	(9,530)		239,431
Balance (in shares) at Sep. 30, 2020	[1]	19,472,310
Balance at Jun. 30, 2020		$ 195	146,778	98,057	1,002	(9,710)		236,322
Balance (in shares) at Jun. 30, 2020	[1]	19,472,310
Increase (Decrease) in Stockholders' Equity
Net income				3,202				3,202
Dividends declared				(584)				(584)
Other comprehensive income					57			57
Stock-based compensation expense, net of forfeitures			257					257
ESOP shares earned			(3)			180		177
Balance at Sep. 30, 2020		$ 195	$ 147,032	$ 100,675	$ 1,059	$ (9,530)		$ 239,431
Balance (in shares) at Sep. 30, 2020	[1]	19,472,310

[1] Amounts related to periods prior to the date of the Conversion (October 16, 2019) have been restated to give the retroactive recognition to the exchange ratio applied in the Conversion (2.0212-to-one).