CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2020	$ 243	$ 308,870	$ 77,956	$ 3,485	$ 390,554
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	9,383	0	9,383
Changes in other comprehensive loss on investment securities, net of tax					(1,222)
Changes in other comprehensive income on investment securities, net of tax	0	0	0	(1,222)	(1,222)
Dividends on common stock	0	0	(2,442)	0	(2,442)
Repurchase of restricted stock	0	(7)	0	0	(7)
Issuance of common stock under Stock Incentive Plan	1	1,237	0	0	1,238
Stock-based compensation expense	0	482	0	0	482
Balance at Mar. 31, 2021	244	310,582	84,897	2,263	397,986
Balance at Dec. 31, 2021	245	311,127	99,397	1,112	411,881	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	4,593	0	4,593
Changes in other comprehensive loss on investment securities, net of tax					(10,567)
Changes in other comprehensive income on investment securities, net of tax	0	0	0	(10,567)	(10,567)
Dividends on common stock	0	0	(2,457)	0	(2,457)
Repurchase of restricted stock	0	(6)	0	0	(6)
Stock-based compensation expense	0	751	0	0	751
Balance at Mar. 31, 2022	$ 245	$ 311,872	$ 101,533	$ (9,455)	$ 404,195

[1] Derived from audited consolidated financial statements