CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands		Total	Cumulative Effect, Period of Adoption, Adjustment	[2]	Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	[2]	Retained Earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Treasury Stock	Treasury Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive (Loss)	Accumulated Other Comprehensive (Loss) Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning balance at Dec. 31, 2021		$ 211,455				$ 53		$ 46,901		$ 188,877				$ (17,846)		$ (6,530)
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income		28,783								28,783
Other comprehensive income		(68,727)														(68,727)
Restricted stock awards		795						795
Distribution of shares of treasury stock granted for employee restricted stock awards, net		0						(712)						712
Restricted stock units for directors' deferred compensation plan		20						20
Cash dividends declared		(5,801)								(5,801)
Distribution of shares of treasury stock for directors' compensation		375						131						244
Sale of shares of treasury stock	[1]	424						158						266
Repurchase of common stock		(933)												(933)
Forfeiture of restricted stock awards		(3)						38						(41)
Ending balance at Dec. 31, 2022		$ 166,388	$ (1,076)		$ 165,312	53	$ 53	47,331	$ 47,331	211,859	$ (1,076)		$ 210,783	(17,598)	$ (17,598)	(75,257)	$ (75,257)
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]		Accounting Standards Update 2016-13 [Member]
Net income		$ 25,000								25,000
Other comprehensive income		9,244														9,244
Restricted stock awards		1,139						1,139
Distribution of shares of treasury stock granted for employee restricted stock awards, net		0						(752)						752
Restricted stock units for directors' deferred compensation plan		20						20
Cash dividends declared		(5,853)								(5,853)
Distribution of shares of treasury stock for directors' compensation		96						(147)						243
Sale of shares of treasury stock	[1]	601						171						430
Repurchase of common stock		(316)												(316)
Forfeiture of restricted stock awards		(2)						11						(13)
Ending balance at Dec. 31, 2023		$ 195,241				$ 53		$ 47,773		$ 229,930				$ (16,502)		$ (66,013)

[1] All treasury stock sales were completed at the prevailing market price with the Chemung Canal Trust Company Profit Sharing, Savings, and Investment Plan which is a defined contribution plan sponsored by the Bank.

[2] Implementation of ASC 326. See Adoption of New Accounting Standards" discussion in Note 1.