$GBNY
Generations Bancorp NY, Inc. Stock $gbny

$gbny Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000155837021014852 Filed on November 05, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q4
Revenue		$3.531M
YoY Change		4.1%
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	$270.0K	$280.0K	$270.0K
YoY Change	0.0%	-3.45%	-3.57%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$396.0K
YoY Change		-45.53%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$610.0K	$206.0K	$500.0K
YoY Change	22.0%	-68.93%	-433.33%
Income Tax	$90.00K	$33.00K	$100.0K
% Of Pretax Income	14.75%	16.02%	20.0%
Net Earnings	$520.0K	$173.0K	$400.0K
YoY Change	30.0%	-72.97%
Net Earnings / Revenue		4.9%
Basic Earnings Per Share		$0.07
Diluted Earnings Per Share	$221.3K	$0.18	$160.0K
COMMON SHARES
Basic Shares Outstanding	2.458M	2.458M
Diluted Shares Outstanding		2.348M

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$21.00M	$12.19M	$26.83M
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	$15.35M	$15.96M	$16.74M
YoY Change	-8.35%	-5.59%
Goodwill	$792.0K	$792.0K	$792.0K
YoY Change	0.0%
Intangibles	$783.0K	$800.0K	$848.0K
YoY Change	-7.67%
Long-Term Investments
YoY Change
Other Assets	$11.10M	$9.800M	$8.700M
YoY Change	27.59%	16.67%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$378.9M	$377.4M	$373.8M
YoY Change	1.38%	2.63%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities
YoY Change
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$1.200M
YoY Change	-100.0%	-100.0%
Other Long-Term Liabilities	$4.500M	$3.500M	$4.700M
YoY Change	-4.26%	9.38%
Total Long-Term Liabilities	$4.500M	$3.500M	$5.900M
YoY Change	-23.73%	-20.45%
TOTAL LIABILITIES
Total Short-Term Liabilities
Total Long-Term Liabilities	$4.500M	$3.500M	$5.900M
Total Liabilities	$335.5M	$334.9M	$343.9M
YoY Change	-2.46%	-0.89%
SHAREHOLDERS EQUITY
Retained Earnings	$21.67M	$21.15M	$20.26M
YoY Change	6.98%
Common Stock	$26.00K	$26.00K	$26.00K
YoY Change	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)			$614.0K
YoY Change
Treasury Stock Shares			$88.26K
Shareholders Equity	$43.48M	$42.47M	$29.89M
YoY Change
Total Liabilities & Shareholders Equity	$378.9M	$377.4M	$373.8M
YoY Change	1.38%	2.63%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q4
OPERATING ACTIVITIES
Net Income	$520.0K	$173.0K	$400.0K
YoY Change	30.0%	-72.97%
Depreciation, Depletion And Amortization	$270.0K	$280.0K	$270.0K
YoY Change	0.0%	-3.45%	-3.57%
Cash From Operating Activities	$1.970M	-$720.0K	$1.020M
YoY Change	93.14%	-11.11%	-40.35%
INVESTING ACTIVITIES
Capital Expenditures	-$50.00K	-$170.0K	-$50.00K
YoY Change	0.0%	750.0%	-200.0%
Acquisitions
YoY Change
Other Investing Activities	$8.480M	-$1.030M	$9.930M
YoY Change	-14.6%	-135.89%	-148.87%
Cash From Investing Activities	$8.420M	-$1.190M	$9.880M
YoY Change	-14.78%	-141.75%	-148.74%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-1.580M	-1.180M	3.680M
YoY Change	-142.93%	-64.46%	-84.62%
NET CHANGE
Cash From Operating Activities	1.970M	-720.0K	1.020M
Cash From Investing Activities	8.420M	-1.190M	9.880M
Cash From Financing Activities	-1.580M	-1.180M	3.680M
Net Change In Cash	8.810M	-3.090M	14.58M
YoY Change	-39.57%	141.41%	171.51%
FREE CASH FLOW
Cash From Operating Activities	$1.970M	-$720.0K	$1.020M
Capital Expenditures	-$50.00K	-$170.0K	-$50.00K
Free Cash Flow	$2.020M	-$550.0K	$1.070M
YoY Change	88.79%	-30.38%	-35.54%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
	dei	Entity Central Index Key EntityCentralIndexKey	0001823365
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
CY2021Q3	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	0
CY2020Q4	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	0
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0
CY2021Q3	us-gaap	Preferred Stock Value PreferredStockValue
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.18
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.49
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-39883
	dei	Entity Registrant Name EntityRegistrantName	Generations Bancorp NY, Inc.
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MD
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	85-3659943
	dei	Entity Address Address Line1 EntityAddressAddressLine1	20 East Bayard Street
	dei	Entity Address City Or Town EntityAddressCityOrTown	Seneca Falls
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NY
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	13148
	dei	City Area Code CityAreaCode	315
	dei	Local Phone Number LocalPhoneNumber	568-5855
	dei	Security12b Title Security12bTitle	Common Stock
	dei	Trading Symbol TradingSymbol	GBNY
	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	true
	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
	dei	Entity Shell Company EntityShellCompany	false
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	us-gaap	Noninterest Income NoninterestIncome	2003000
	us-gaap	Noninterest Income NoninterestIncome	2675000
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1341000
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1290000
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	3942000
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4048000
CY2021Q3	gbny	Occupancy And Equipment OccupancyAndEquipment	513000
CY2020Q3	gbny	Occupancy And Equipment OccupancyAndEquipment	522000
	gbny	Occupancy And Equipment OccupancyAndEquipment	1564000
	gbny	Occupancy And Equipment OccupancyAndEquipment	1573000
CY2021Q3	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	300000
	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	300000
CY2021Q3	gbny	Service Charges ServiceCharges	537000
CY2020Q3	gbny	Service Charges ServiceCharges	503000
	gbny	Service Charges ServiceCharges	1547000
	gbny	Service Charges ServiceCharges	1453000
CY2021Q3	gbny	Regulatory Assessments RegulatoryAssessments	106000
CY2020Q3	gbny	Regulatory Assessments RegulatoryAssessments	79000
	gbny	Regulatory Assessments RegulatoryAssessments	317000
	gbny	Regulatory Assessments RegulatoryAssessments	213000
CY2021Q3	us-gaap	Professional Fees ProfessionalFees	171000
CY2020Q3	us-gaap	Professional Fees ProfessionalFees	135000
	us-gaap	Professional Fees ProfessionalFees	454000
	us-gaap	Professional Fees ProfessionalFees	401000
CY2021Q3	us-gaap	Advertising Expense AdvertisingExpense	108000
CY2020Q3	us-gaap	Advertising Expense AdvertisingExpense	108000
	us-gaap	Advertising Expense AdvertisingExpense	325000
	us-gaap	Advertising Expense AdvertisingExpense	325000
CY2021Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	389000
CY2020Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	360000
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	970000
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	935000
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	3465000
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	2997000
	us-gaap	Noninterest Expense NoninterestExpense	9419000
	us-gaap	Noninterest Expense NoninterestExpense	8948000
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	206000
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	663000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1086000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1146000
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33000
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	191000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-201000
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	173000
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	640000
	us-gaap	Net Income Loss NetIncomeLoss	895000
	us-gaap	Net Income Loss NetIncomeLoss	1347000
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	173000
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	640000
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	895000
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1347000
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.55
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	173000
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	640000
	us-gaap	Net Income Loss NetIncomeLoss	895000
	us-gaap	Net Income Loss NetIncomeLoss	1347000
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-349000
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	157000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-150000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	1003000
CY2021Q3	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	13000
CY2020Q3	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	480000
	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	11000
	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	480000
CY2021Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	-362000
CY2020Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	-323000
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	-161000
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	523000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-28000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-33000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-85000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-100000
CY2021Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-28000
CY2020Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-33000
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-85000
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-100000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-334000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-290000
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-76000
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	623000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-70000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-61000
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-16000
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	131000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-264000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-229000
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-60000
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	492000
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-91000
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	411000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	835000
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-201000
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	11000
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	509000
	gbny	Write Down Of Premises And Equipment To Fair Value WriteDownOfPremisesAndEquipmentToFairValue	25000
	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	300000
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	30000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1839000
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	42545000
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	173000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-264000
CY2021Q3	us-gaap	Stock Issued During Period Value Employee Stock Ownership Plan StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan	12000
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	42466000
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	29354000
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	640000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-229000
CY2020Q3	us-gaap	Stock Issued During Period Value Employee Stock Ownership Plan StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan	13000
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	29778000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	29886000
	us-gaap	Net Income Loss NetIncomeLoss	895000
	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	1477575
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1650000
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	12047000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-60000
	gbny	Purchase Of Common Stock For Dividend Reinvestment Plan PurchaseOfCommonStockForDividendReinvestmentPlan	337000
	us-gaap	Stock Issued During Period Value Employee Stock Ownership Plan StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan	35000
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	42466000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	28231000
	us-gaap	Net Income Loss NetIncomeLoss	1347000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	492000
	gbny	Stock Purchased During Period Value Supplemental Executive Retirement Plan StockPurchasedDuringPeriodValueSupplementalExecutiveRetirementPlan	290000
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	42000
	us-gaap	Stock Issued During Period Value Employee Stock Ownership Plan StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan	40000
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	29778000
	us-gaap	Profit Loss ProfitLoss	895000
	us-gaap	Profit Loss ProfitLoss	1347000
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	405000
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	330000
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	239000
	gbny	Equity Securities Realized Gain Loss Cash Flow EquitySecuritiesRealizedGainLossCashFlow	2000
	gbny	Equity Securities Realized Gain Loss Cash Flow EquitySecuritiesRealizedGainLossCashFlow	-176000
	gbny	Gain Loss On Director S Retirement Plan GainLossOnDirectorSRetirementPlan	98000
	us-gaap	Depreciation Depreciation	784000
	us-gaap	Depreciation Depreciation	795000
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	48000
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	49000
	gbny	Amortization Of Fair Value Adjustment To Purchased Loan Portfolio AmortizationOfFairValueAdjustmentToPurchasedLoanPortfolio	-52000
	gbny	Amortization Of Fair Value Adjustment To Purchased Loan Portfolio AmortizationOfFairValueAdjustmentToPurchasedLoanPortfolio	-52000
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	35000
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	46000
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-69000
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-306000
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	86000
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	104000
	gbny	Increase Decrease In Pension Plan Assets IncreaseDecreaseInPensionPlanAssets	976000
	gbny	Increase Decrease In Pension Plan Assets IncreaseDecreaseInPensionPlanAssets	734000
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-226000
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	21000
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	126000
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	211000
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	317000
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	1198000
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1431000
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-24000
	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	1000
	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	1000
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	25293000
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2008000
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-430000
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-147000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	2961000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1422000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	290000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	457000
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3041000
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	9110000
	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	2422000
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	56000
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	60000
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	79000
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	2268000
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	31711000
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	375000
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	178000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-21080000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-20280000
	gbny	Increase Decrease In Demand Deposits Savings Accounts And Money Market Accounts IncreaseDecreaseInDemandDepositsSavingsAccountsAndMoneyMarketAccounts	4843000
	gbny	Increase Decrease In Demand Deposits Savings Accounts And Money Market Accounts IncreaseDecreaseInDemandDepositsSavingsAccountsAndMoneyMarketAccounts	39392000
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-2881000
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-18722000
	gbny	Increase Decrease In Redemption Of Brokered Time Deposits IncreaseDecreaseInRedemptionOfBrokeredTimeDeposits	-640000
	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	7770000
	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	7384000
	gbny	Proceeds From Repayments Of Subordinated Debt ProceedsFromRepaymentsOfSubordinatedDebt	-1235000
	gbny	Proceeds From Repayments Of Subordinated Debt ProceedsFromRepaymentsOfSubordinatedDebt	500000
	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	6000000
	gbny	Proceeds From Issuance And Conversion Of Stock ProceedsFromIssuanceAndConversionOfStock	13151000
	gbny	Payment For Purchase Of Common Stock For Employee Stock Ownership Plans PaymentForPurchaseOfCommonStockForEmployeeStockOwnershipPlans	1104000
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	42000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5004000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	19104000
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-14645000
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1200000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	26830000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	13448000
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	12185000
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	12248000
	us-gaap	Interest Paid Net InterestPaidNet	1302000
	us-gaap	Interest Paid Net InterestPaidNet	2225000
	gbny	Transfer Of Loans To Foreclosed Real Estate TransferOfLoansToForeclosedRealEstate	67000
	gbny	Transfer Of Loans To Foreclosed Real Estate TransferOfLoansToForeclosedRealEstate	28000
CY2021Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	1477575
CY2021Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	14800000
CY2021Q1	gbny	Net Proceeds From Sale Of Stocks NetProceedsFromSaleOfStocks	13200000
CY2021Q1	gbny	Exchange Ratio Of Share Upon Conversion Of Holding Company To Public Holding Company ExchangeRatioOfShareUponConversionOfHoldingCompanyToPublicHoldingCompany	0.9980
CY2021Q3	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	2348000
CY2020Q3	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	2458000
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	2352000
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	2456000
	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	0
CY2020Q3	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	0
	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	0
CY2021Q3	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	0
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	36091000
	us-gaap	Available For Sale Debt Securities Gross Unrealized Gain AvailableForSaleDebtSecuritiesGrossUnrealizedGain	1231000
	us-gaap	Available For Sale Debt Securities Gross Unrealized Loss AvailableForSaleDebtSecuritiesGrossUnrealizedLoss	476000
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	36846000
CY2021Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1184000
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	27000
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	3000
CY2021Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1208000
CY2021Q3	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	325000
CY2021Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	325000
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	17010000
CY2020	us-gaap	Available For Sale Debt Securities Gross Unrealized Gain AvailableForSaleDebtSecuritiesGrossUnrealizedGain	918000
CY2020	us-gaap	Available For Sale Debt Securities Gross Unrealized Loss AvailableForSaleDebtSecuritiesGrossUnrealizedLoss	2000
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	17926000
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1480000
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	33000
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	3000
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1510000
CY2020Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	661000
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	661000
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	11982000
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	476000
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	24000
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	12006000
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	476000
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	170000
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3000
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	170000
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	3000
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1090000
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2000
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	2000
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1092000
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	2000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	150000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	97000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	247000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	2000
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	21
	gbny	Term Of Contractual Maturity Of Debt Securities TermOfContractualMaturityOfDebtSecurities	P20Y
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	10000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	10000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	2219000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	2243000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	5270000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	5407000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	28558000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	29151000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	36057000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	36811000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	34000
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	35000
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	1184000
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	1208000
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	36091000
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	36846000
CY2021Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1184000
CY2021Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1208000
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	13000
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	480000
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	11000
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	480000
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	13000
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	480000
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	11000
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	480000
CY2021Q3	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	5386183
CY2020Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	6969058
CY2021Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	273658000
CY2020Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	276030000
CY2021Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	16136000
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	11787000
CY2021Q3	gbny	Loans And Leases Receivable Fair Value Credit And Yield Adjustment LoansAndLeasesReceivableFairValueCreditAndYieldAdjustment	304000
CY2020Q4	gbny	Loans And Leases Receivable Fair Value Credit And Yield Adjustment LoansAndLeasesReceivableFairValueCreditAndYieldAdjustment	356000
CY2021Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2071000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1821000
CY2021Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	287419000
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	285640000
CY2021Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	273658000
CY2020Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	276030000
CY2021Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	8133000
CY2021Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	265525000
CY2021Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	273658000
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	10938000
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	265092000
CY2020Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	276030000
CY2021Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	3661000
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	5319000
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0
CY2021Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	9
CY2020Q4	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOutstandingBalance	2500000
CY2020	gbny	Financing Receivable Modifications Number Of Contracts In Non Accrual Status FinancingReceivableModificationsNumberOfContractsInNonAccrualStatus	1
CY2021Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2800000
	gbny	Financing Receivable Modifications Number Of Contracts In Non Accrual Status FinancingReceivableModificationsNumberOfContractsInNonAccrualStatus	0
CY2021Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	3478000
CY2021Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	3899000
CY2021Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	197000
CY2020Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	6152000
CY2020Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	6603000
CY2020Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	305000
CY2020Q4	gbny	Banking Regulation Total Risk Based Core Capital Capital Adequacy Minimum BankingRegulationTotalRiskBasedCoreCapitalCapitalAdequacyMinimum	14648000
CY2020Q4	gbny	Banking Regulation Total Risk Based Core Capital Ratio Capital Adequacy Minimum BankingRegulationTotalRiskBasedCoreCapitalRatioCapitalAdequacyMinimum	4.00
CY2021Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	3901000
CY2020Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	11210000
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	3918000
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	5287000
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1976000
CY2021Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	-52000
CY2021Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	12000
CY2021Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	135000
CY2021Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2071000
CY2020Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1996000
CY2020Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	-63000
CY2020Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	33000
CY2020Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	150000
CY2020Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2116000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1821000
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	-241000
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	86000
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	405000
CY2021Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2071000
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	197000
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	1874000
CY2021Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	273658000
CY2021Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	3478000
CY2021Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	270180000
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1660000
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	-117000
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	243000
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	330000
CY2020Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2116000
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	624000
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	1492000
CY2020Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	282720000
CY2020Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	5208000
CY2020Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	277512000
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1660000
CY2020	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	-583000
CY2020	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	264000
CY2020	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	480000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1821000
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	305000
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	1516000
CY2020Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	276030000
CY2020Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	6152000
CY2020Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	269878000
	gbny	Number Of Benefit Pension Plans NumberOfBenefitPensionPlans	2
CY2021Q3	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	40753000
CY2021Q3	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	14.26
CY2021Q3	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	12865000
CY2021Q3	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Capital Adequacy Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioCapitalAdequacyMinimum	4.50
CY2021Q3	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	18582000
CY2021Q3	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Well Capitalized Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioWellCapitalizedMinimum	6.50
CY2021Q3	us-gaap	Risk Weighted Assets RiskWeightedAssets	42824000
CY2021Q3	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	14.98
CY2021Q3	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	22870000
CY2021Q3	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	8.00
CY2021Q3	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	28588000
CY2021Q3	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	10.00
CY2021Q3	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	40753000
CY2021Q3	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	14.26
CY2021Q3	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	17153000
CY2021Q3	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	6.00
CY2021Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	22870000
CY2021Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	8.00
CY2021Q3	us-gaap	Excess Capital ExcessCapital	40753000
CY2021Q3	us-gaap	Excess Tier One Leverage Capital To Average Assets ExcessTierOneLeverageCapitalToAverageAssets	10.74
CY2021Q3	gbny	Banking Regulation Total Risk Based Core Capital Capital Adequacy Minimum BankingRegulationTotalRiskBasedCoreCapitalCapitalAdequacyMinimum	15179000
CY2021Q3	gbny	Banking Regulation Total Risk Based Core Capital Ratio Capital Adequacy Minimum BankingRegulationTotalRiskBasedCoreCapitalRatioCapitalAdequacyMinimum	4.00
CY2021Q3	gbny	Banking Regulation Total Risk Based Core Capital Well Capitalized Minimum BankingRegulationTotalRiskBasedCoreCapitalWellCapitalizedMinimum	18974000
CY2021Q3	gbny	Banking Regulation Total Risk Based Core Capital Ratio Well Capitalized Minimum BankingRegulationTotalRiskBasedCoreCapitalRatioWellCapitalizedMinimum	5.00
CY2020Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	31942000
CY2020Q4	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	12.18
CY2020Q4	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	11798000
CY2020Q4	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Capital Adequacy Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioCapitalAdequacyMinimum	4.50
CY2020Q4	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	17041000
CY2020Q4	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Well Capitalized Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioWellCapitalizedMinimum	6.50
CY2020Q4	us-gaap	Risk Weighted Assets RiskWeightedAssets	33768000
CY2020Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	12.88
CY2020Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	20974000
CY2020Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	8.00
CY2020Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	26217000
CY2020Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	10.00
CY2020Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	31942000
CY2020Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	12.18
CY2020Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	15730000
CY2020Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	6.00
CY2020Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	20974000
CY2020Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	8.00
CY2020Q4	us-gaap	Excess Capital ExcessCapital	31942000
CY2020Q4	us-gaap	Excess Tier One Leverage Capital To Average Assets ExcessTierOneLeverageCapitalToAverageAssets	8.72
CY2020Q4	gbny	Banking Regulation Total Risk Based Core Capital Well Capitalized Minimum BankingRegulationTotalRiskBasedCoreCapitalWellCapitalizedMinimum	18310000
CY2020Q4	gbny	Banking Regulation Total Risk Based Core Capital Ratio Well Capitalized Minimum BankingRegulationTotalRiskBasedCoreCapitalRatioWellCapitalizedMinimum	5.00
CY2020Q4	gbny	Banking Regulation Total Risk Based Core Capital Ratio Well Capitalized Minimum BankingRegulationTotalRiskBasedCoreCapitalRatioWellCapitalizedMinimum	5
CY2021Q3	gbny	Banking Regulation Total Risk Based Core Capital Ratio Well Capitalized Minimum BankingRegulationTotalRiskBasedCoreCapitalRatioWellCapitalizedMinimum	5
CY2020Q4	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Well Capitalized Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioWellCapitalizedMinimum	6.50
CY2021Q3	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Well Capitalized Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioWellCapitalizedMinimum	6.50
CY2020Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	8.00
CY2021Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	8.00
CY2020Q4	us-gaap	Excess Capital To Risk Weighted Assets ExcessCapitalToRiskWeightedAssets	10
CY2021Q3	us-gaap	Excess Capital To Risk Weighted Assets ExcessCapitalToRiskWeightedAssets	10
CY2020Q3	us-gaap	Banking Regulation Supplementary Leverage Ratio Capital Adequacy Minimum BankingRegulationSupplementaryLeverageRatioCapitalAdequacyMinimum	8.0
CY2020Q3	gbny	Banking Regulation Total Capital Ratio Minimum BankingRegulationTotalCapitalRatioMinimum	12.0
CY2021Q3	gbny	Loan Commitments With Fixed Interest Rate LoanCommitmentsWithFixedInterestRate	5100000
CY2021Q3	gbny	Loan Commitments With Variable Interest Rate LoanCommitmentsWithVariableInterestRate	15400000
CY2020Q4	gbny	Loan Commitments With Fixed Interest Rate LoanCommitmentsWithFixedInterestRate	4600000
CY2020Q4	gbny	Loan Commitments With Variable Interest Rate LoanCommitmentsWithVariableInterestRate	14200000
	us-gaap	Operating Lease Expense OperatingLeaseExpense	19000
	us-gaap	Operating Lease Expense OperatingLeaseExpense	34000
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	41000
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	0
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	569000
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	586000
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1712000
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1801000
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	3174000
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	170000
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	826000
	gbny	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Principal Payments FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPrincipalPayments	1141000
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	3029000
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	2512000
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	1159000
	gbny	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Principal Payments FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPrincipalPayments	479000
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	3192000
CY2020Q4	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	0
CY2021Q3	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	0
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3
CY2020Q3	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3
CY2021Q3	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3
CY2021Q3	us-gaap	Assets Assets	377374000
CY2020Q4	us-gaap	Assets Assets	373014000

Files In Submission

Name	View Source	Status
0001558370-21-014852-index-headers.html	Edgar Link	pending
0001558370-21-014852-index.html	Edgar Link	pending
0001558370-21-014852.txt	Edgar Link	pending
0001558370-21-014852-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
gbny-20210930.xsd	Edgar Link	pending
gbny-20210930x10q.htm	Edgar Link	pending
gbny-20210930x10q_htm.xml	Edgar Link	completed
gbny-20210930xex31d1.htm	Edgar Link	pending
gbny-20210930xex31d2.htm	Edgar Link	pending
gbny-20210930xex32.htm	Edgar Link	pending
gbny-20210930_cal.xml	Edgar Link	unprocessable
gbny-20210930_def.xml	Edgar Link	unprocessable
gbny-20210930_lab.xml	Edgar Link	unprocessable
gbny-20210930_pre.xml	Edgar Link	unprocessable
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$GBNY
Generations Bancorp NY, Inc. Stock $gbny

2021 Q4 Form 10-Q Financial Statement

#000155837021014852 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GBNY Generations Bancorp NY, Inc. Stock $gbny

2021 Q4 Form 10-Q Financial Statement

#000155837021014852 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GBNY
Generations Bancorp NY, Inc. Stock $gbny