CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Less: ESOP Owned Shares [Member]	Total	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Less: ESOP Owned Shares [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance at Dec. 31, 2018	$ 14,772	$ 80,412	$ 119,834	$ (2,243)	$ (58,195)	$ 154,580
Balance (in shares) at Dec. 31, 2018	14,771,520
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net	$ 3,207	48,185	0	0	0	51,392
Issuance of common stock, net (in shares)	3,207,000
Net income	$ 0	0	29,220	0	0	29,220
Cash dividends declared	0	0	(1,079)	0	0	(1,079)
Other comprehensive income (loss), (net of tax)	0	0	0	3,201	0	3,201
Terminated ESOP put option	0	0	0	0	58,195	58,195
Exercise of employee stock options, net of shares for cashless exercise and net of shares for taxes	$ 57	(408)	0	0	0	(351)
Exercise of employee stock options, net of shares for cashless exercise and net of shares for taxes (in shares)	57,595
Stock-based compensation	$ 0	853	0	0	0	853
Share-based liability awards modified to equity awards	0	11,450	0	0	0	11,450
Balance at Dec. 31, 2019	$ 18,036	140,492	146,696	958	0	306,182	$ 0	$ 0	$ (1,279)	$ 0	$ 0	$ (1,279)
Balance (in shares) at Dec. 31, 2019	18,036,115
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	45,353	0	0	45,353
Cash dividends declared	0	0	(2,528)	0	0	(2,528)
Other comprehensive income (loss), (net of tax)	0	0	0	20,381	0	20,381
Exercise of employee stock options, net of shares for cashless exercise and net of shares for taxes	$ 59	(378)	0	0	0	(319)
Exercise of employee stock options, net of shares for cashless exercise and net of shares for taxes (in shares)	59,284
Repurchases of common stock	$ (19)	(274)	0	0	0	(293)
Repurchases of common stock (in shares)	(19,035)
Stock-based compensation	$ 0	1,272	0	0	0	1,272
Balance at Dec. 31, 2020	$ 18,076	141,112	189,521	21,339	0	370,048
Balance (in shares) at Dec. 31, 2020	18,076,364
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	58,614	0	0	58,614
Cash dividends declared	0	0	(5,385)	0	0	(5,385)
Other comprehensive income (loss), (net of tax)	0	0	0	(7,637)	0	(7,637)
Exercise of employee stock options, net of shares for cashless exercise and net of shares for taxes	$ 77	(702)	0	0	0	(625)
Exercise of employee stock options, net of shares for cashless exercise and net of shares for taxes (in shares)	77,408
Repurchases of common stock	$ (393)	(8,834)	0	0	0	(9,227)
Repurchases of common stock (in shares)	(393,529)
Stock-based compensation	$ 0	1,639	0	0	0	1,639
Balance at Dec. 31, 2021	$ 17,760	$ 133,215	$ 242,750	$ 13,702	$ 0	$ 407,427
Balance (in shares) at Dec. 31, 2021	17,760,243