CONSOLIDATED CONDENSED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Accounting Standards Update 2016-13	Other loans, including deposit overdrafts [Member]	Other loans, including deposit overdrafts [Member] OAEM [Member]	Common Stock [Member]	Common Stock [Member] Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings [Member] Accounting Standards Update 2016-13	Treasury Stock, Common	Treasury Stock, Common Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income [Member]	Accumulated Other Comprehensive Income [Member] Cumulative Effect, Period of Adoption, Adjustment
Balance Beginning (in shares) at Dec. 31, 2021						12,414,956
Balance beginning at Dec. 31, 2021	$ 238,604					$ 143,130		$ 126,312			$ (29,029)		$ (1,809)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	15,720							15,720
Other comprehensive income, net of taxes	(29,800)												(29,800)
Dividend Reinvestment and Stock Purchase Plan (in shares)						18,585
Dividend Reinvestment and Stock Purchase Plan	308					$ 308
Compensation expense relating to restricted stock (in shares)						32,554
APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition	417					$ 417
Dividends, Common Stock, Cash	(6,830)							(6,830)
Treasury shares purchased (in shares)						(1,172,456)
Repurchase of common stock	(22,980)										(22,980)
Balance Ending (in shares) at Sep. 30, 2022						11,293,639
Balance ending at Sep. 30, 2022	$ 195,439					$ 143,855		135,202			(52,009)		(31,609)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per common share (usd per share)	$ 0.60
Balance Beginning (in shares) at Jun. 30, 2022						11,374,515
Balance beginning at Jun. 30, 2022	$ 202,960					$ 143,635		131,894			(50,629)		(21,940)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,579							5,579
Other comprehensive income, net of taxes	(9,669)												(9,669)
Dividend Reinvestment and Stock Purchase Plan (in shares)						6,857
Dividend Reinvestment and Stock Purchase Plan	107					$ 107
APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition	113					$ 113
Dividends, Common Stock, Cash	(2,271)							(2,271)
Treasury shares purchased (in shares)						(87,733)
Repurchase of common stock	(1,380)
Balance Ending (in shares) at Sep. 30, 2022						11,293,639
Balance ending at Sep. 30, 2022	$ 195,439					$ 143,855		135,202			(52,009)		(31,609)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per common share (usd per share)	$ 0.20
Financing Receivable, Revolving, Converted to Term Loan	$ 6,056			$ 0	$ 0
Balance Beginning (in shares) at Dec. 31, 2022	11,259,080					11,259,080	11,259,080
Balance beginning at Dec. 31, 2022	$ 200,675	$ 198,753	$ (1,922)			$ 144,069	$ 144,069	139,249	$ 137,327	$ (1,922)	(52,689)	$ (52,689)	(29,954)	$ (29,954)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	12,921							12,921
Other comprehensive income, net of taxes	(758)												(758)
Dividend Reinvestment and Stock Purchase Plan (in shares)						20,065
Dividend Reinvestment and Stock Purchase Plan	315					$ 315
Compensation expense relating to restricted stock (in shares)						44,150
APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition	481					$ 481
Dividends, Common Stock, Cash	(7,037)							(7,037)
Treasury shares purchased (in shares)						(199,913)
Repurchase of common stock	$ (3,326)										(3,326)
Balance Ending (in shares) at Sep. 30, 2023	11,123,382					11,123,382
Balance ending at Sep. 30, 2023	$ 201,349					$ 144,865		143,211			(56,015)		(30,712)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per common share (usd per share)	$ 0.63
Balance Beginning (in shares) at Jun. 30, 2023						11,116,080
Balance beginning at Jun. 30, 2023	$ 202,316					$ 144,671		141,431			(56,015)		(27,771)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,070							4,070
Other comprehensive income, net of taxes	(2,941)												(2,941)
Dividend Reinvestment and Stock Purchase Plan (in shares)						7,302
Dividend Reinvestment and Stock Purchase Plan	111					$ 111
Compensation expense relating to restricted stock (in shares)						0
APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition	83					$ 83
Dividends, Common Stock, Cash	(2,290)							(2,290)
Treasury shares purchased (in shares)						0
Repurchase of common stock	$ 0
Balance Ending (in shares) at Sep. 30, 2023	11,123,382					11,123,382
Balance ending at Sep. 30, 2023	$ 201,349					$ 144,865		$ 143,211			$ (56,015)		$ (30,712)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per common share (usd per share)	$ 0.21
Financing Receivable, Revolving, Converted to Term Loan	$ 387			$ 0	$ 0