CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands		Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]
Balances at Dec. 31, 2014		$ 133,628	$ 53	$ 45,355	$ 114,383	$ (17,378)	$ (8,785)
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income		4,853			4,853
Other comprehensive income (loss)		(329)					(329)
Restricted stock awards		104		104
Restricted stock units for directors' deferred compensation plan		49		49
Cash dividends declared		(2,419)			(2,419)
Distribution of shares of treasury stock for directors' compensation		271		24		247
Distribution of shares of treasury stock for employee stock compensation		93		8		85
Distribution of treasury stock for deferred directors' compensation		3		(89)		92
Sale of treasury stock	[1]	267		17		250
Balances at Jun. 30, 2015		136,520	53	45,468	116,817	(16,704)	(9,114)
Balances at Mar. 31, 2015							(7,787)
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income		2,577
Other comprehensive income (loss)		(1,327)					(1,327)
Balances at Jun. 30, 2015		136,520	53	45,468	116,817	(16,704)	(9,114)
Balances at Dec. 31, 2015		137,242	53	45,537	118,973	(16,379)	(10,942)
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income		4,328			4,328
Other comprehensive income (loss)		3,407					3,407
Restricted stock awards		96		96
Restricted stock units for directors' deferred compensation plan		48		48
Cash dividends declared		(2,441)			(2,441)
Distribution of shares of treasury stock for directors' compensation		262		19		243
Distribution of shares of treasury stock for employee stock compensation		210		15		195
Distribution of treasury stock for deferred directors' compensation		3		(92)		95
Sale of treasury stock	[1]	254		16		238
Balances at Jun. 30, 2016		143,409	53	45,639	120,860	(15,608)	(7,535)
Balances at Mar. 31, 2016							(9,338)
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income		1,621
Other comprehensive income (loss)		1,803					1,803
Balances at Jun. 30, 2016		$ 143,409	$ 53	$ 45,639	$ 120,860	$ (15,608)	$ (7,535)

[1] All treasury stock sales were completed at arm's length for adequate consideration with the Chemung Canal Trust Company Profit Sharing, Savings, and Investment Plan and the Chemung Canal Trust Company - Finger Lakes Profit Sharing, Savings, and Investment Plan, which are defined contribution plans sponsored by the Bank.