CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common stock	Surplus	Treasury Stock	Unearned Common Stock ESOP	Retained Earnings	Accumulated Other Comprehensive Income	Total
Balance beginning of the period at Dec. 31, 2019	$ 6,408	$ 80,196	$ (3)		$ 34,097	$ (3)	$ 120,695
Comprehensive income:
Net income					26,438		26,438
Net change in unrealized gains on securities available-for-sale, net of tax						2,559	2,559
Total comprehensive income							28,997
Dividends paid or accrued					(1,525)		(1,525)
Shares purchased for ESOP plan				$ (2,000)			(2,000)
Net purchase of treasury stock through publicly announced plans		122	(5,825)				(5,703)
Common stock issued through share-based awards and exercises	48	347					395
ESOP shares committed to be released (13,328)				232			232
Stock based compensation		531					531
Balance ending of the period at Dec. 31, 2020	6,456	81,196	(5,828)	(1,768)	59,010	2,556	141,622
Comprehensive income:
Net income					35,585		35,585
Net change in unrealized gains on securities available-for-sale, net of tax						(1,848)	(1,848)
Total comprehensive income							33,737
Dividends paid or accrued					(9,679)		(9,679)
Net purchase of treasury stock through publicly announced plans			(3,032)				(3,032)
Common stock issued through share-based awards and exercises	79	1,026					1,105
ESOP shares committed to be released (13,328)		228		166			394
Stock based compensation		1,213					1,213
Balance ending of the period at Dec. 31, 2021	$ 6,535	$ 83,663	$ (8,860)	$ (1,602)	$ 84,916	$ 708	$ 165,360