CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands		Total	Cumulative effect adjustment for the adoption of ASC 326	[1]	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 adjustment for the adoption of ASC 326	[1]	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, 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]
Net income		7,270								7,270
Other comprehensive loss		5,784														5,784
Restricted stock awards		263						263
Restricted stock units for directors' deferred compensation plan		5						5
Distribution of shares of treasury stock grants for employee restricted stock awards		0						(131)						131
Cash dividends declared		(1,460)								(1,460)
Distribution of treasury stock for directors' compensation		96						(147)						243
Repurchase of shares of common stock		(98)												(98)
Sale of shares of treasury stock	[2]	169						66						103
Ending balance at Mar. 31, 2023		177,341				53		47,387		216,593				(17,219)		(69,473)
Beginning balance at Dec. 31, 2023		195,241				53		47,773		229,930				(16,502)		(66,013)
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income		7,050								7,050
Other comprehensive loss		(4,065)														(4,065)
Restricted stock awards		308						308
Restricted stock units for directors' deferred compensation plan		5						5
Distribution of shares of treasury stock grants for employee restricted stock awards		0						(132)						132
Cash dividends declared		(1,474)								(1,474)
Distribution of treasury stock for directors' compensation		0						(217)						217
Repurchase of shares of common stock		(82)												(82)
Sale of shares of treasury stock	[2]	145						57						88
Ending balance at Mar. 31, 2024		$ 197,128				$ 53		$ 47,794		$ 235,506				$ (16,147)		$ (70,078)

[1] Implementation of ASC 326.

[2] 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.