CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income, Net of Tax	Unearned ESOP Shares	Total
Balance at Dec. 31, 2020	$ 85	$ 81,275	$ 146,405	$ 2,533	$ (291)	$ 230,007
Balance (in shares) at Dec. 31, 2020	8,475,912
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			20,432			20,432
Dividends paid			(2,231)			(2,231)
Share-based compensation		593				593
Common stock repurchased - repurchase plan	$ (2)	(5,813)				(5,815)
Common stock repurchased - repurchase plan (in shares)	(215,420)
Stock options exercised, net		(1,024)				(1,024)
Stock options exercised, net (in shares)	73,074
Other comprehensive loss, net of tax				(1,099)		(1,099)
ESOP shares allocated		766			131	897
Balance at Jun. 30, 2021	$ 83	75,797	164,606	1,434	(160)	241,760
Balance (in shares) at Jun. 30, 2021	8,333,566
Balance at Mar. 31, 2021	$ 85	81,537	157,193	1,721	(225)	240,311
Balance (in shares) at Mar. 31, 2021	8,466,080
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			8,549			8,549
Dividends paid			(1,136)			(1,136)
Share-based compensation		298				298
Common stock repurchased - repurchase plan	$ (2)	(5,540)				(5,542)
Common stock repurchased - repurchase plan (in shares)	(200,588)
Stock options exercised, net		(928)				(928)
Stock options exercised, net (in shares)	68,074
Other comprehensive loss, net of tax				(287)		(287)
ESOP shares allocated		430			65	495
Balance at Jun. 30, 2021	$ 83	75,797	164,606	1,434	$ (160)	241,760
Balance (in shares) at Jun. 30, 2021	8,333,566
Balance at Dec. 31, 2021	$ 82	67,958	179,215	252		247,507
Balance (in shares) at Dec. 31, 2021	8,169,887
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			13,569			13,569
Dividends paid			(4,006)			(4,006)
Share-based compensation		932				932
New credit standard (Topic 326) - impact in year of adoption			297			297
Common stock repurchased - repurchase plan	$ (5)	(13,891)				(13,896)
Common stock repurchased - repurchase plan (in shares)	(476,607)
Stock options exercised, net		130				130
Stock options exercised, net (in shares)	32,952
Other comprehensive loss, net of tax				(21,892)		(21,892)
Balance at Jun. 30, 2022	$ 77	55,129	189,075	(21,640)		222,641
Balance (in shares) at Jun. 30, 2022	7,726,232
Balance at Mar. 31, 2022	$ 81	65,035	184,748	(13,914)		235,950
Balance (in shares) at Mar. 31, 2022	8,067,211
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			6,699			6,699
Dividends paid			(2,372)			(2,372)
Share-based compensation		481				481
Common stock repurchased - repurchase plan	$ (4)	(10,447)				(10,451)
Common stock repurchased - repurchase plan (in shares)	(361,251)
Stock options exercised, net		60				60
Stock options exercised, net (in shares)	20,272
Other comprehensive loss, net of tax				(7,726)		(7,726)
Balance at Jun. 30, 2022	$ 77	$ 55,129	$ 189,075	$ (21,640)		$ 222,641
Balance (in shares) at Jun. 30, 2022	7,726,232