CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands		Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2020		$ 199,699	$ 53	$ 46,764	$ 168,006	$ (17,525)	$ 2,401
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income		26,425			26,425
Other comprehensive income (loss)		(8,931)					(8,931)
Restricted stock awards		535		535
Distribution of treasury stock for directors' deferred compensation plan		3		(72)		75
Distribution of shares of treasury stock granted for employee restricted stock awards, net		0		(578)		578
Restricted stock units for directors' deferred compensation plan		19		19
Cash dividends declared		(5,554)			(5,554)
Distribution of shares of treasury stock for directors' compensation		317		64		253
Distribution of shares of treasury stock for employee compensation		132		27		105
Sale of shares of treasury stock	[1]	426		142		284
Repurchase of common stock		(1,616)				(1,616)
Ending 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 (loss)		(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	$ 53	$ 47,331	$ 211,859	$ (17,598)	$ (75,257)

[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.