Consolidated Statements of Changes in Shareholders’ Equity - USD ($) $ in Thousands	Total	Impact of CECL Adoption	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Impact of CECL Adoption	Comprehensive Income (Loss)	Treasury Stock
Common stock, beginning balance (in shares) at Dec. 31, 2021			7,423,760
Beginning balance at Dec. 31, 2021	$ 389,627		$ 4,000	$ 10,374	$ 396,120		$ 6,955	$ (27,822)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	9,126				9,126
Other comprehensive income (loss)	(64,452)						(64,452)
(Purchase) sale of treasury stock, net (in shares)			560
(Purchase) sale of treasury stock, net	27							27
Cash dividends, declared	(3,935)				(3,935)
Share-based compensation expense, net	517			517
Common stock, ending balance (in shares) at Mar. 31, 2022			7,424,320
Ending balance at Mar. 31, 2022	330,910		$ 4,000	10,891	401,311		(57,497)	(27,795)
Common stock, beginning balance (in shares) at Dec. 31, 2021			7,423,760
Beginning balance at Dec. 31, 2021	$ 389,627		$ 4,000	10,374	396,120		6,955	(27,822)
Common stock, ending balance (in shares) at Dec. 31, 2022	7,425,760		7,425,760
Ending balance at Dec. 31, 2022	$ 273,453	$ (3,439)	$ 4,000	12,282	424,391	$ (3,439)	(139,495)	(27,725)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting standards update	Accounting Standards Update 2016-13 [Member]
Net income	$ 7,524				7,524
Other comprehensive income (loss)	15,686						15,686
(Purchase) sale of treasury stock, net (in shares)			2,080
(Purchase) sale of treasury stock, net	99							99
Cash dividends, declared	(3,936)				(3,936)
Share-based compensation expense, net	$ 396			404	(8)
Common stock, ending balance (in shares) at Mar. 31, 2023	7,427,840		7,427,840
Ending balance at Mar. 31, 2023	$ 289,783		$ 4,000	$ 12,686	$ 424,532		$ (123,809)	$ (27,626)