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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jun. 15, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Mar. 31, 2018
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Legal accruals and settlements		$ 0	$ 989	$ 0	$ 989
Commitments to make loans | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet contractual amounts of financial instruments		16,122		16,122		$ 9,137
Commitments to make loans | Variable Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet contractual amounts of financial instruments		17,267		17,267		18,033
Unused lines of credit | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet contractual amounts of financial instruments		743		743		848
Unused lines of credit | Variable Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet contractual amounts of financial instruments		207,417		207,417		212,601
Standby letters of credit | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet contractual amounts of financial instruments		0		0		0
Standby letters of credit | Variable Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet contractual amounts of financial instruments		$ 14,859		$ 14,859		$ 16,161
Fane v. Chemung Canal Trust Company
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Amount awarded to other party	$ 3,300
Legal reserve							$ 2,300
Legal accruals and settlements			$ 1,000

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- Definition

The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

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-Publisher FASB
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-Section 50
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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
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Amount of loss contingency liability.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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