$CHMG
Chemung Financial Corp Stock $chmg

$chmg Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000076356322000072 Filed on November 09, 2022

Income Statement

Concept	2022 Q4	2022 Q3
Revenue		$21.00M
YoY Change		19.09%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$535.0K	$544.0K
YoY Change	-12.3%	-13.65%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$2.009M
YoY Change		150.81%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$9.516M	$8.194M
YoY Change	15.63%	-1.82%
Income Tax	$2.077M	$1.741M
% Of Pretax Income	21.83%	21.25%
Net Earnings	$7.439M	$6.453M
YoY Change	15.33%	-2.9%
Net Earnings / Revenue		30.73%
Basic Earnings Per Share		$1.37
Diluted Earnings Per Share	$1.583M	$1.375M
COMMON SHARES
Basic Shares Outstanding	4.678M shares	4.676M shares
Diluted Shares Outstanding		4.692M shares

Balance Sheet

Concept	2022 Q4	2022 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$55.87M	$42.42M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$22.56M	$23.23M
YoY Change	25.56%	-8.91%
Goodwill	$21.82M	$21.82M
YoY Change	0.0%	0.0%
Intangibles	$0.00	$0.00
YoY Change	-100.0%	-100.0%
Long-Term Investments	$2.830M	$2.677M
YoY Change	-5.67%	-7.69%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$2.646B	$2.551B
YoY Change	9.39%	5.53%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$46.18M	$52.45M
YoY Change	87.73%	106.48%
Accrued Expenses	$6.620M	$6.810M
YoY Change	-10.54%	-5.42%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$52.80M	$59.26M
YoY Change	57.61%	74.29%
LONG-TERM LIABILITIES
Long-Term Debt	$99.14M	$4.104M
YoY Change	2653.81%	10.92%
Other Long-Term Liabilities	$27.20M
YoY Change
Total Long-Term Liabilities	$99.14M	$4.104M
YoY Change	2653.81%	10.92%
TOTAL LIABILITIES
Total Short-Term Liabilities	$52.80M	$59.26M
Total Long-Term Liabilities	$99.14M	$4.104M
Total Liabilities	$2.479B	$2.396B
YoY Change	12.33%	8.34%
SHAREHOLDERS EQUITY
Retained Earnings	$211.9M	$205.9M
YoY Change	12.17%	11.97%
Common Stock	$47.38M	$47.54M
YoY Change	0.92%	0.6%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$166.4M	$155.5M
YoY Change
Total Liabilities & Shareholders Equity	$2.646B	$2.551B
YoY Change	9.39%	5.53%

Cashflow Statement

Concept	2022 Q4	2022 Q3
OPERATING ACTIVITIES
Net Income	$7.439M	$6.453M
YoY Change	15.33%	-2.9%
Depreciation, Depletion And Amortization	$535.0K	$544.0K
YoY Change	-12.3%	-13.65%
Cash From Operating Activities	$2.362M	$14.80M
YoY Change	-73.4%	61.4%
INVESTING ACTIVITIES
Capital Expenditures	-$22.00K	-$313.0K
YoY Change	-112.94%	11.79%
Acquisitions
YoY Change
Other Investing Activities	-$77.07M	-$105.0M
YoY Change	102.86%	174.99%
Cash From Investing Activities	-$77.04M	-$105.3M
YoY Change	103.77%	173.8%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	88.13M	103.2M
YoY Change	-1624.71%	201.71%
NET CHANGE
Cash From Operating Activities	2.362M	14.80M
Cash From Investing Activities	-77.04M	-105.3M
Cash From Financing Activities	88.13M	103.2M
Net Change In Cash	13.45M	12.66M
YoY Change	-138.74%	158.27%
FREE CASH FLOW
Cash From Operating Activities	$2.362M	$14.80M
Capital Expenditures	-$22.00K	-$313.0K
Free Cash Flow	$2.384M	$15.11M
YoY Change	-72.63%	59.93%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0000763563
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
CY2021Q4	us-gaap	Finance Lease Liability Statement Of Financial Position Extensible List FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2022Q3	us-gaap	Finance Lease Liability Statement Of Financial Position Extensible List FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-35741
	dei	Entity Registrant Name EntityRegistrantName	CHEMUNG FINANCIAL CORP
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NY
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	16-1237038
	dei	Entity Address Address Line1 EntityAddressAddressLine1	One Chemung Canal Plaza
	dei	Entity Address City Or Town EntityAddressCityOrTown	Elmira
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	14901
	dei	City Area Code CityAreaCode	607
	dei	Local Phone Number LocalPhoneNumber	737-3711
	dei	Security12b Title Security12bTitle	Common stock, par value $.01 per share
	dei	Trading Symbol TradingSymbol	CHMG
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2022Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	32262000	usd
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	17365000	usd
CY2022Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	10161000	usd
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CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	640352000	usd
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CY2022Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	0	usd
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	us-gaap	Noninterest Income NoninterestIncome	16018000	usd
	us-gaap	Noninterest Income NoninterestIncome	18083000	usd
CY2022Q3	chmg	Salaries And Incentive Compensation SalariesAndIncentiveCompensation	6550000	usd
CY2021Q3	chmg	Salaries And Incentive Compensation SalariesAndIncentiveCompensation	6259000	usd
	chmg	Salaries And Incentive Compensation SalariesAndIncentiveCompensation	18829000	usd
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CY2021Q3	us-gaap	Equipment Expense EquipmentExpense	409000	usd
	us-gaap	Equipment Expense EquipmentExpense	1340000	usd
	us-gaap	Equipment Expense EquipmentExpense	1185000	usd
CY2022Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2087000	usd
CY2021Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2210000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6742000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6261000	usd
CY2022Q3	us-gaap	Professional Fees ProfessionalFees	442000	usd
CY2021Q3	us-gaap	Professional Fees ProfessionalFees	542000	usd
	us-gaap	Professional Fees ProfessionalFees	1627000	usd
	us-gaap	Professional Fees ProfessionalFees	1531000	usd
CY2022Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	0	usd
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	42000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	15000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	232000	usd
CY2022Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	266000	usd
CY2021Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	162000	usd
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	726000	usd
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	572000	usd
CY2022Q3	chmg	Other Real Estate Owned Expense OtherRealEstateOwnedExpense	12000	usd
CY2021Q3	chmg	Other Real Estate Owned Expense OtherRealEstateOwnedExpense	7000	usd
	chmg	Other Real Estate Owned Expense OtherRealEstateOwnedExpense	-17000	usd
	chmg	Other Real Estate Owned Expense OtherRealEstateOwnedExpense	24000	usd
CY2022Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	389000	usd
CY2021Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	356000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	987000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1075000	usd
CY2022Q3	us-gaap	Loan Portfolio Expense LoanPortfolioExpense	-64000	usd
CY2021Q3	us-gaap	Loan Portfolio Expense LoanPortfolioExpense	196000	usd
	us-gaap	Loan Portfolio Expense LoanPortfolioExpense	327000	usd
	us-gaap	Loan Portfolio Expense LoanPortfolioExpense	720000	usd
CY2022Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1522000	usd
CY2021Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1365000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4491000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	3923000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	14577000	usd
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	14100000	usd
	us-gaap	Noninterest Expense NoninterestExpense	43587000	usd
	us-gaap	Noninterest Expense NoninterestExpense	41304000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8194000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8346000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	27373000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	25529000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1741000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1700000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6029000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5558000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	6453000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	6646000	usd
	us-gaap	Net Income Loss NetIncomeLoss	21344000	usd
	us-gaap	Net Income Loss NetIncomeLoss	19971000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4692000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4692000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4678000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4678000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4691000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4691000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4683000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4683000	shares
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.37
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.42
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.42
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.55
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.55
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.26
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.26
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	6453000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	6646000	usd
	us-gaap	Net Income Loss NetIncomeLoss	21344000	usd
	us-gaap	Net Income Loss NetIncomeLoss	19971000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-33266000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-4348000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-99431000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-12715000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-8719000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-1139000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-26050000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-3246000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-24547000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-3209000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-73381000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-9469000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	0	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-55000	usd
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	0	usd
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-165000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-16000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-57000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-41000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-169000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-16000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-2000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-41000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-4000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-5000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-1000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-11000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-2000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-11000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-30000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-24536000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3208000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-73351000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-9467000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-18083000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3438000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-52007000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10504000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	203977000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	6646000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3208000	usd
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	84000	usd
CY2021Q3	chmg	Restricted Stock Units For Directors Deferred Compensation Plan RestrictedStockUnitsForDirectorsDeferredCompensationPlan	5000	usd
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.31
CY2021Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1446000	usd
CY2021Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	97	shares
CY2021Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4000	usd
CY2021Q3	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	1887	shares
CY2021Q3	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	85000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	206139000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	174690000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	6453000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-24536000	usd
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	153000	usd
CY2022Q3	chmg	Restricted Stock Units For Directors Deferred Compensation Plan RestrictedStockUnitsForDirectorsDeferredCompensationPlan	95000	usd
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.31
CY2022Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1449000	usd
CY2022Q3	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	2540	shares
CY2022Q3	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	112000	usd
CY2022Q3	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	48	shares
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	155518000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	199699000	usd
	us-gaap	Net Income Loss NetIncomeLoss	19971000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-9467000	usd
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	307000	usd
	chmg	Restricted Stock Units For Directors Deferred Compensation Plan RestrictedStockUnitsForDirectorsDeferredCompensationPlan	14000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.88
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	4104000	usd
	chmg	Distribution Of Shares Of Treasury Stock For Directors Compensation Shares DistributionOfSharesOfTreasuryStockForDirectorsCompensationShares	9291	shares
	chmg	Distribution Of Shares Of Treasury Stock For Directors Compensation Value DistributionOfSharesOfTreasuryStockForDirectorsCompensationValue	317000	usd
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	3860	shares
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	132000	usd
	chmg	Distribution Of Shares Of Treasury Stock For Directors Deferred Compensation Shares DistributionOfSharesOfTreasuryStockForDirectorsDeferredCompensationShares	2707	shares
	chmg	Distribution Of Shares Of Treasury Stock For Deferred Directors Compensation Value DistributionOfSharesOfTreasuryStockForDeferredDirectorsCompensationValue	3000	usd
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	28803	shares
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1050000	usd
	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	7911	shares
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	317000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	206139000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	211455000	usd
	us-gaap	Net Income Loss NetIncomeLoss	21344000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-73351000	usd
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	486000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	588000	usd
	chmg	Restricted Stock Units For Directors Deferred Compensation Plan RestrictedStockUnitsForDirectorsDeferredCompensationPlan	195000	usd
	chmg	Distribution Of Shares Of Treasury Stock For Employee Restricted Stock Awards Shares DistributionOfSharesOfTreasuryStockForEmployeeRestrictedStockAwardsShares	3985	shares
	chmg	Distribution Of Treasury Stock Grants For Employee Restricted Stock Awards DistributionOfTreasuryStockGrantsForEmployeeRestrictedStockAwards	0	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.93
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	4347000	usd
	chmg	Distribution Of Shares Of Treasury Stock For Directors Compensation Shares DistributionOfSharesOfTreasuryStockForDirectorsCompensationShares	8575	shares
	chmg	Distribution Of Shares Of Treasury Stock For Directors Compensation Value DistributionOfSharesOfTreasuryStockForDirectorsCompensationValue	105000	usd
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	15388	shares
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	695000	usd
	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	7222	shares
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	328000	usd
	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	729	shares
	us-gaap	Stock Granted During Period Value Sharebased Compensation Forfeited StockGrantedDuringPeriodValueSharebasedCompensationForfeited	2000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	155518000	usd
	us-gaap	Net Income Loss NetIncomeLoss	21344000	usd
	us-gaap	Net Income Loss NetIncomeLoss	19971000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	559000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	15000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	232000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-1634000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-53000	usd
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-20000	usd
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	61000	usd
	us-gaap	Depreciation Depreciation	1691000	usd
	us-gaap	Depreciation Depreciation	1896000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-3143000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-4020000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	106000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	884000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	342000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	29840000	usd
	chmg	Proceeds From Loan Originations And Held For S Ale ProceedsFromLoanOriginationsAndHeldForSAle	160000	usd
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	29010000	usd
	chmg	Gains Losses On Sales Of Other Real Estate Net GainsLossesOnSalesOfOtherRealEstateNet	68000	usd
	chmg	Gains Losses On Sales Of Other Real Estate Net GainsLossesOnSalesOfOtherRealEstateNet	-18000	usd
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-448000	usd
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	203000	usd
	us-gaap	Proceeds From Payments For Trading Securities ProceedsFromPaymentsForTradingSecurities	36000	usd
	us-gaap	Proceeds From Payments For Trading Securities ProceedsFromPaymentsForTradingSecurities	41000	usd
	us-gaap	Increase Decrease In Debt Securities Trading IncreaseDecreaseInDebtSecuritiesTrading	197000	usd
	us-gaap	Increase Decrease In Debt Securities Trading IncreaseDecreaseInDebtSecuritiesTrading	229000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	19743000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1279000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	133000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	27000	usd
	chmg	Restricted Stock Expense Directors Deferred Compensation Plan RestrictedStockExpenseDirectorsDeferredCompensationPlan	195000	usd
	chmg	Restricted Stock Expense Directors Deferred Compensation Plan RestrictedStockExpenseDirectorsDeferredCompensationPlan	14000	usd
	chmg	Expense Related To Employee Stock Compensation ExpenseRelatedToEmployeeStockCompensation	0	usd
	chmg	Expense Related To Employee Stock Compensation ExpenseRelatedToEmployeeStockCompensation	132000	usd
	chmg	Expense Related To Employee Stock Awards ExpenseRelatedToEmployeeStockAwards	486000	usd
	chmg	Expense Related To Employee Stock Awards ExpenseRelatedToEmployeeStockAwards	307000	usd
	chmg	Payments On Operating Leases Operating Activities PaymentsOnOperatingLeasesOperatingActivities	568000	usd
	chmg	Payments On Operating Leases Operating Activities PaymentsOnOperatingLeasesOperatingActivities	37000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	26434000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1242000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	34000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	39000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	32685000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	26578000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	72611000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	109736000	usd
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	1306000	usd
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	558000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	23502000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	333376000	usd
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	735000	usd
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	1287000	usd
	us-gaap	Payments To Acquire Federal Reserve Stock PaymentsToAcquireFederalReserveStock	3175000	usd
	us-gaap	Payments To Acquire Federal Reserve Stock PaymentsToAcquireFederalReserveStock	412000	usd
	us-gaap	Proceeds From Sale Of Federal Reserve Stock ProceedsFromSaleOfFederalReserveStock	3521000	usd
	us-gaap	Proceeds From Sale Of Federal Reserve Stock ProceedsFromSaleOfFederalReserveStock	0	usd
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	125000	usd
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	451000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	448000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	537000	usd
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	279000	usd
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	128000	usd
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	usd
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	286000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	225558000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	-19784000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-175576000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-204669000	usd
	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	23600000	usd
	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	191360000	usd
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	153507000	usd
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-55312000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	13860000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	usd
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	200000	usd
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	190000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	695000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1050000	usd
	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	328000	usd
	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	315000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	4347000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	3873000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	158333000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	131250000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	15442000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-46841000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	26981000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	108538000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	42423000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	61697000	usd
	us-gaap	Interest Paid Net InterestPaidNet	3554000	usd
	us-gaap	Interest Paid Net InterestPaidNet	2594000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	4305000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	4375000	usd
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	292000	usd
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	80000	usd
CY2022Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	1450000	usd
CY2021Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	1445000	usd
	chmg	Treasury Stock Repurchasedas Payroll Tax Payment TreasuryStockRepurchasedasPayrollTaxPayment	53000	usd
	chmg	Treasury Stock Repurchasedas Payroll Tax Payment TreasuryStockRepurchasedasPayrollTaxPayment	80000	usd
	chmg	Operating Lease Obligations Incurred OperatingLeaseObligationsIncurred	0	usd
	chmg	Operating Lease Obligations Incurred OperatingLeaseObligationsIncurred	498000	usd
	chmg	Noncash Distribution Of Treasury Stock For Directors Compensation NoncashDistributionOfTreasuryStockForDirectorsCompensation	105000	usd
	chmg	Noncash Distribution Of Treasury Stock For Directors Compensation NoncashDistributionOfTreasuryStockForDirectorsCompensation	317000	usd
	chmg	Distribution Of Shares Of Treasury Stock For Directors Deferred Compensation Value DistributionOfSharesOfTreasuryStockForDirectorsDeferredCompensationValue	195000	usd
	chmg	Distribution Of Shares Of Treasury Stock For Directors Deferred Compensation Value DistributionOfSharesOfTreasuryStockForDirectorsDeferredCompensationValue	4000	usd
	chmg	Treasury Stock Issued During Period Value Restricted Stock Award Forfeitures TreasuryStockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	2000	usd
	chmg	Treasury Stock Issued During Period Value Restricted Stock Award Forfeitures TreasuryStockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	usd
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Reclassifications</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Amounts in the prior year financial statements are reclassified whenever necessary to conform to the current year's presentation.</span></div>
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4692000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4692000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4678000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4678000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4691000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4691000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4683000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4683000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2022Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	743166000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	204000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	103018000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	640352000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	795409000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	6587000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	9970000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	792026000	usd
CY2022Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	3210000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	5000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3205000	usd
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	3790000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	6000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	usd
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3796000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	2937000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2862000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	2204000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	2199000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	103872000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	93767000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	1006000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1006000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	20178000	usd
	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	0	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	19142000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	0	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	470000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	396000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	0	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	127457000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	116167000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	3210000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue	3205000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	743166000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	640352000	usd
CY2022Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	3210000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3205000	usd
	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	0	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	228946000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	25050000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	382163000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	77968000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	611109000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	103018000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	398967000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5550000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	137808000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4420000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	536775000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	9970000	usd
CY2022Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	1742755000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	1518249000	usd
CY2022Q3	us-gaap	Interest Receivable InterestReceivable	5128000	usd
CY2021Q4	us-gaap	Interest Receivable InterestReceivable	4133000	usd
CY2022Q3	chmg	Financing Receivable After Interest Receivable On Loans Before Allowance On Credit Loss FinancingReceivableAfterInterestReceivableOnLoansBeforeAllowanceOnCreditLoss	1747883000	usd
CY2021Q4	chmg	Financing Receivable After Interest Receivable On Loans Before Allowance On Credit Loss FinancingReceivableAfterInterestReceivableOnLoansBeforeAllowanceOnCreditLoss	1522382000	usd
CY2021Q4	chmg	Financing Receivable Allowance For Loan Losses In Payroll Protection Program Loans FinancingReceivableAllowanceForLoanLossesInPayrollProtectionProgramLoans	0	usd
CY2022Q3	chmg	Financing Receivable Allowance For Loan Losses In Payroll Protection Program Loans FinancingReceivableAllowanceForLoanLossesInPayrollProtectionProgramLoans	0	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	17485000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	277000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	168000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	-109000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1255000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	18631000	usd
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	20676000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	234000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	142000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	-92000	usd
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	356000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	20940000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	21025000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1306000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	546000	usd
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	-760000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-1634000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	18631000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	20924000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	650000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	719000	usd
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	69000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-53000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	20940000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	18631000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	21025000	usd
CY2022Q3	chmg	Financing Receivable After Interest Receivable On Loans Before Allowance On Credit Loss FinancingReceivableAfterInterestReceivableOnLoansBeforeAllowanceOnCreditLoss	1747883000	usd
CY2021Q4	chmg	Financing Receivable After Interest Receivable On Loans Before Allowance On Credit Loss FinancingReceivableAfterInterestReceivableOnLoansBeforeAllowanceOnCreditLoss	1522382000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	7915000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	7889000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	1405000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	18205000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	11647000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	3030000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	7604000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	18000	usd
CY2021Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	12672000	usd
CY2021Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	55000	usd
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	9314000	usd
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	38000	usd
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	11464000	usd
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	96000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	8310000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	8114000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	4000	usd
CY2022Q3	chmg	Financing Receivable After Interest Receivable On Loans Before Allowance On Credit Loss FinancingReceivableAfterInterestReceivableOnLoansBeforeAllowanceOnCreditLoss	1747883000	usd
CY2021Q4	chmg	Financing Receivable After Interest Receivable On Loans Before Allowance On Credit Loss FinancingReceivableAfterInterestReceivableOnLoansBeforeAllowanceOnCreditLoss	1522382000	usd
CY2022Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	5900000	usd
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	10300000	usd
CY2022Q3	chmg	Financing Receivable Troubled Debt Restructuring Purchasedwith Credit Deterioration Increase FinancingReceivableTroubledDebtRestructuringPurchasedwithCreditDeteriorationIncrease	300000	usd
CY2021Q4	chmg	Financing Receivable Troubled Debt Restructuring Purchasedwith Credit Deterioration Increase FinancingReceivableTroubledDebtRestructuringPurchasedwithCreditDeteriorationIncrease	1900000	usd
CY2022Q3	chmg	Financing Receivable Modifications Recorded Investment Still Accruing FinancingReceivableModificationsRecordedInvestmentStillAccruing	1400000	usd
CY2022Q3	chmg	Financing Receivable Modifications Recorded Investment Nonaccrual Status FinancingReceivableModificationsRecordedInvestmentNonaccrualStatus	4400000	usd
CY2021Q4	chmg	Financing Receivable Modifications Recorded Investment Still Accruing FinancingReceivableModificationsRecordedInvestmentStillAccruing	5600000	usd
CY2021Q4	chmg	Financing Receivable Modifications Recorded Investment Nonaccrual Status FinancingReceivableModificationsRecordedInvestmentNonaccrualStatus	4700000	usd
CY2022Q3	chmg	Additional Amounts Committed To Customers With Loans Classified As Troubled Debt Restructurings AdditionalAmountsCommittedToCustomersWithLoansClassifiedAsTroubledDebtRestructurings	0	usd
CY2021Q4	chmg	Additional Amounts Committed To Customers With Loans Classified As Troubled Debt Restructurings AdditionalAmountsCommittedToCustomersWithLoansClassifiedAsTroubledDebtRestructurings	0	usd
CY2021Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2	loan
CY2021Q3	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	502000	usd
CY2021Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	502000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	200000	usd
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	6	loan
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	6596000	usd
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	6596000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	1900000	usd
	chmg	Number Of Days Past Due After Which A Loan Is Considered To Be In Payment Default NumberOfDaysPastDueAfterWhichALoanIsConsideredToBeInPaymentDefault	P90D
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	contract
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	contract
CY2021Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	contract
CY2022Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	contract
	chmg	Number Of Days Past Due After Which A Loan Will Be Rated NumberOfDaysPastDueAfterWhichALoanWillBeRated	P90D
CY2022Q3	chmg	Financing Receivable After Interest Receivable On Loans Before Allowance On Credit Loss FinancingReceivableAfterInterestReceivableOnLoansBeforeAllowanceOnCreditLoss	1747883000	usd
CY2021Q4	chmg	Financing Receivable After Interest Receivable On Loans Before Allowance On Credit Loss FinancingReceivableAfterInterestReceivableOnLoansBeforeAllowanceOnCreditLoss	1522382000	usd
CY2022Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y9M25D
CY2022Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0335
CY2022Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	200000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	700000	usd
CY2022Q3	chmg	Operating Lease Right Of Use Asset Gross OperatingLeaseRightOfUseAssetGross	7234000	usd
CY2021Q4	chmg	Operating Lease Right Of Use Asset Gross OperatingLeaseRightOfUseAssetGross	7145000	usd
CY2022Q3	chmg	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	588000	usd
CY2021Q4	chmg	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	759000	usd
CY2022Q3	chmg	Operating Lease Right Of Use Asset Lease Termination OperatingLeaseRightOfUseAssetLeaseTermination	0	usd
CY2021Q4	chmg	Operating Lease Right Of Use Asset Lease Termination OperatingLeaseRightOfUseAssetLeaseTermination	313000	usd
CY2022Q3	chmg	Operating Lease Right Of Use Asset New Lease Agreement And Modifications OperatingLeaseRightOfUseAssetNewLeaseAgreementAndModifications	0	usd
CY2021Q4	chmg	Operating Lease Right Of Use Asset New Lease Agreement And Modifications OperatingLeaseRightOfUseAssetNewLeaseAgreementAndModifications	1161000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	6646000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	7234000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	243000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	992000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	924000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	841000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	845000	usd
CY2022Q3	chmg	Lessee Operating Lease Liability To Be Paid Year Five And After LesseeOperatingLeaseLiabilityToBePaidYearFiveAndAfter	4022000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	7867000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1057000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	6810000	usd
CY2022Q3	chmg	Lessee Operating Lease Lease Not Yet Commenced Liability LesseeOperatingLeaseLeaseNotYetCommencedLiability	0	usd
CY2022Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P10Y5M12D
CY2022Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0339
CY2022Q3	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	5572000	usd
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	5572000	usd
CY2022Q3	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	2457000	usd
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	2208000	usd
CY2022Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	3115000	usd
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	3364000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	98000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	391000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	391000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	409000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	425000	usd
CY2022Q3	chmg	Finance Lease Liability To Be Paid Year Five And After FinanceLeaseLiabilityToBePaidYearFiveAndAfter	2415000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	4129000	usd
CY2022Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	735000	usd
CY2022Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	3394000	usd
CY2022Q3	chmg	Lessee Finance Lease Lease Not Yet Commenced Liability LesseeFinanceLeaseLeaseNotYetCommencedLiability	0	usd
CY2021Q4	us-gaap	Goodwill Goodwill	21824000	usd
CY2020Q4	us-gaap	Goodwill Goodwill	21824000	usd
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	usd
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	usd
CY2022Q3	us-gaap	Goodwill Goodwill	21824000	usd
CY2021Q3	us-gaap	Goodwill Goodwill	21824000	usd
	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	11608000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	11608000	usd
CY2021	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	11608000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	11593000	usd
CY2022Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	0	usd
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	42000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	15000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	200000	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2020Q1	chmg	Participating Credit Facility Receivable Ownership Interest Amount ParticipatingCreditFacilityReceivableOwnershipInterestAmount	4200000	usd
CY2020Q1	chmg	Participating Credit Facility Receivable Amount ParticipatingCreditFacilityReceivableAmount	36000000	usd
CY2022Q3	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-24547000	usd
CY2022Q3	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-11000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-24536000	usd
CY2021Q3	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-3209000	usd
CY2021Q3	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-1000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3208000	usd
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-73381000	usd
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-30000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-73351000	usd
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-9469000	usd
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-2000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-9467000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-93000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	5036000	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	15000	usd
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	5970000	usd
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-448000	usd
	us-gaap	Noninterest Income NoninterestIncome	16018000	usd
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	203000	usd
	us-gaap	Noninterest Income NoninterestIncome	18083000	usd
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2022Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	20999000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	2009000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	18990000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1255000	usd
CY2022Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	17735000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	5036000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	14577000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8194000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1741000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	6453000	usd
CY2021Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	17633000	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	801000	usd
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	16832000	usd
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	356000	usd
CY2021Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	16476000	usd
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	5970000	usd
CY2021Q3	chmg	Legal Accruals And Settlements LegalAccrualsAndSettlements	0	usd
CY2021Q3	chmg	Other Non Interest Expenses OtherNonInterestExpenses	14100000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8346000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1700000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	6646000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	56995000	usd
	us-gaap	Interest Expense InterestExpense	3687000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	53308000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-1634000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	54942000	usd
	us-gaap	Noninterest Income NoninterestIncome	16018000	usd
	us-gaap	Noninterest Expense NoninterestExpense	43587000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	27373000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6029000	usd
	us-gaap	Net Income Loss NetIncomeLoss	21344000	usd
CY2022Q3	us-gaap	Assets Assets	2551422000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	51318000	usd
	us-gaap	Interest Expense InterestExpense	2621000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	48697000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-53000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	48750000	usd
	us-gaap	Noninterest Income NoninterestIncome	18083000	usd
	us-gaap	Noninterest Expense NoninterestExpense	41304000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	25529000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5558000	usd
	us-gaap	Net Income Loss NetIncomeLoss	19971000	usd
CY2021Q3	us-gaap	Assets Assets	2417566000	usd
	us-gaap	Deferred Compensation Arrangement With Individual Shares Issued DeferredCompensationArrangementWithIndividualSharesIssued	12560	shares
	us-gaap	Deferred Compensation Arrangement With Individual Shares Issued DeferredCompensationArrangementWithIndividualSharesIssued	13151	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P1Y
CY2021Q3	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	200000	usd
CY2022Q3	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	200000	usd
	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	800000	usd
	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	700000	usd

Files In Submission

Name	View Source	Status
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$CHMG
Chemung Financial Corp Stock $chmg

2022 Q4 Form 10-Q Financial Statement

#000076356322000072 Filed on November 09, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CHMG Chemung Financial Corp Stock $chmg

2022 Q4 Form 10-Q Financial Statement

#000076356322000072 Filed on November 09, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CHMG
Chemung Financial Corp Stock $chmg