$FISI
FINANCIAL INSTITUTIONS INC

2023 Q3 Form 10-Q Financial Statement

#000095017023039134 Filed on August 07, 2023

View on sec.gov

Income Statement

Concept 2023 Q3 2023 Q2
Revenue $74.70M $71.12M
YoY Change 47.41% 57.07%
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 $2.000M $2.022M
YoY Change 9.89% -12.09%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense $33.02M $28.78M
YoY Change 334.11% 682.22%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income $16.46M $16.79M
YoY Change -11.39% -13.92%
Income Tax $2.440M $2.418M
% Of Pretax Income 14.82% 14.4%
Net Earnings $14.02M $14.01M
YoY Change 1.21% -10.47%
Net Earnings / Revenue 18.77% 19.7%
Basic Earnings Per Share $0.89 $0.91
Diluted Earnings Per Share $0.88 $0.91
COMMON SHARES
Basic Shares Outstanding 15.40M 1.576M
Diluted Shares Outstanding 15.46M 15.41M

Balance Sheet

Concept 2023 Q3 2023 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents $192.1M $180.2M
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 $39.95M $40.68M
YoY Change -2.35% 0.54%
Goodwill $67.07M $67.07M
YoY Change 0.0% 0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets $6.140B $6.141B
YoY Change 9.17% 10.29%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses $34.10M $33.63M
YoY Change 5.23% 44.99%
Deferred Revenue
YoY Change
Short-Term Debt $70.00M $374.0M
YoY Change 1.45% 243.12%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $34.10M $374.0M
YoY Change 5.23% 1512.56%
LONG-TERM LIABILITIES
Long-Term Debt $124.5M $124.4M
YoY Change 67.92% 67.92%
Other Long-Term Liabilities $186.9M $182.2M
YoY Change 2.62% 57.57%
Total Long-Term Liabilities $311.4M $306.6M
YoY Change 21.51% 61.61%
TOTAL LIABILITIES
Total Short-Term Liabilities $34.10M $374.0M
Total Long-Term Liabilities $311.4M $306.6M
Total Liabilities $5.731B $5.715B
YoY Change 9.58% 11.14%
SHAREHOLDERS EQUITY
Retained Earnings $446.9M $437.9M
YoY Change 7.93% 8.11%
Common Stock $161.0K $161.0K
YoY Change 0.0% 0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost) $20.42M $20.42M
YoY Change -9.32% -9.32%
Treasury Stock Shares
Shareholders Equity $408.7M $425.9M
YoY Change
Total Liabilities & Shareholders Equity $6.140B $6.141B
YoY Change 9.17% 10.29%

Cashflow Statement

Concept 2023 Q3 2023 Q2
OPERATING ACTIVITIES
Net Income $14.02M $14.01M
YoY Change 1.21% -10.47%
Depreciation, Depletion And Amortization $2.000M $2.022M
YoY Change 9.89% -12.09%
Cash From Operating Activities $43.80M $8.253M
YoY Change 22.88% -78.04%
INVESTING ACTIVITIES
Capital Expenditures $500.0K $384.0K
YoY Change -130.45% -113.8%
Acquisitions
YoY Change
Other Investing Activities -$3.500M -$114.2M
YoY Change -94.61% 572.39%
Cash From Investing Activities -$4.000M -$114.6M
YoY Change -93.99% 479.64%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -27.90M 146.6M
YoY Change -170.05% -286.66%
NET CHANGE
Cash From Operating Activities 43.80M 8.253M
Cash From Investing Activities -4.000M -114.6M
Cash From Financing Activities -27.90M 146.6M
Net Change In Cash 11.90M 40.27M
YoY Change 34.07% -166.35%
FREE CASH FLOW
Cash From Operating Activities $43.80M $8.253M
Capital Expenditures $500.0K $384.0K
Free Cash Flow $43.30M $7.869M
YoY Change 16.13% -80.51%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
dei Amendment Flag
AmendmentFlag
false
dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
Q2
dei Entity Central Index Key
EntityCentralIndexKey
0000862831
us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
CY2023Q2 us-gaap Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List
OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#OtherAssets
CY2022Q4 us-gaap Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List
OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#OtherAssets
CY2023Q2 us-gaap Operating Lease Liability Statement Of Financial Position Extensible List
OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#OtherLiabilities
CY2022Q4 us-gaap Operating Lease Liability Statement Of Financial Position Extensible List
OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q2 us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
CY2022Q2 us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
CY2023Q2 us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
CY2022Q2 us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
CY2023Q2 us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
CY2022Q2 us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
us-gaap Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration
DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#DerivativeGainLossOnDerivativeNet
CY2023Q2 us-gaap Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List
DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList
http://fasb.org/us-gaap/2023#LaborAndRelatedExpense
us-gaap Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List
DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList
http://fasb.org/us-gaap/2023#LaborAndRelatedExpense
CY2022Q2 us-gaap Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List
DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList
http://fasb.org/us-gaap/2023#LaborAndRelatedExpense
us-gaap Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List
DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList
http://fasb.org/us-gaap/2023#LaborAndRelatedExpense
dei Document Type
DocumentType
10-Q
dei Document Quarterly Report
DocumentQuarterlyReport
true
dei Document Period End Date
DocumentPeriodEndDate
2023-06-30
dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2023
dei Document Transition Report
DocumentTransitionReport
false
dei Entity File Number
EntityFileNumber
000-26481
dei Entity Registrant Name
EntityRegistrantName
Financial Institutions, Inc.
dei Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
NY
dei Entity Tax Identification Number
EntityTaxIdentificationNumber
16-0816610
dei Entity Address Address Line1
EntityAddressAddressLine1
220 LIBERTY STREET
dei Entity Address City Or Town
EntityAddressCityOrTown
WARSAW
dei Entity Address State Or Province
EntityAddressStateOrProvince
NY
dei Entity Address Postal Zip Code
EntityAddressPostalZipCode
14569
dei City Area Code
CityAreaCode
585
dei Local Phone Number
LocalPhoneNumber
786-1100
dei Security12b Title
Security12bTitle
Common stock, par value $0.01 per share
dei Trading Symbol
TradingSymbol
FISI
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
Accelerated Filer
dei Entity Small Business
EntitySmallBusiness
false
dei Entity Emerging Growth Company
EntityEmergingGrowthCompany
false
dei Entity Shell Company
EntityShellCompany
false
CY2023Q3 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
15401800
CY2023Q2 us-gaap Cash And Due From Banks
CashAndDueFromBanks
180248000
CY2022Q4 us-gaap Cash And Due From Banks
CashAndDueFromBanks
130466000
CY2023Q2 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
1082174000
CY2022Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
1127057000
CY2023Q2 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
912122000
CY2022Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
954371000
CY2023Q2 us-gaap Debt Securities Held To Maturity Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAllowanceForCreditLoss
4000
CY2022Q4 us-gaap Debt Securities Held To Maturity Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAllowanceForCreditLoss
5000
CY2023Q2 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
146026000
CY2022Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
174188000
CY2023Q2 fisi Held To Maturity Securities Net
HeldToMaturitySecuritiesNet
159893000
CY2022Q4 fisi Held To Maturity Securities Net
HeldToMaturitySecuritiesNet
188975000
CY2023Q2 us-gaap Loans Receivable Held For Sale Net Not Part Of Disposal Group
LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
805000
CY2022Q4 us-gaap Loans Receivable Held For Sale Net Not Part Of Disposal Group
LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
550000
CY2023Q2 us-gaap Loans And Leases Receivable Allowance
LoansAndLeasesReceivableAllowance
49836000
CY2022Q4 us-gaap Loans And Leases Receivable Allowance
LoansAndLeasesReceivableAllowance
45413000
CY2023Q2 us-gaap Loans And Leases Receivable Net Reported Amount
LoansAndLeasesReceivableNetReportedAmount
4347973000
CY2022Q4 us-gaap Loans And Leases Receivable Net Reported Amount
LoansAndLeasesReceivableNetReportedAmount
4005036000
CY2023Q2 us-gaap Bank Owned Life Insurance
BankOwnedLifeInsurance
141442000
CY2022Q4 us-gaap Bank Owned Life Insurance
BankOwnedLifeInsurance
139482000
CY2023Q2 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
40681000
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
41986000
CY2023Q2 us-gaap Intangible Assets Net Including Goodwill
IntangibleAssetsNetIncludingGoodwill
72950000
CY2022Q4 us-gaap Intangible Assets Net Including Goodwill
IntangibleAssetsNetIncludingGoodwill
73414000
CY2023Q2 us-gaap Other Assets
OtherAssets
285184000
CY2022Q4 us-gaap Other Assets
OtherAssets
262992000
CY2023Q2 us-gaap Assets
Assets
6141298000
CY2022Q4 us-gaap Assets
Assets
5797272000
CY2023Q2 us-gaap Noninterest Bearing Deposit Liabilities
NoninterestBearingDepositLiabilities
1022788000
CY2022Q4 us-gaap Noninterest Bearing Deposit Liabilities
NoninterestBearingDepositLiabilities
1139214000
CY2023Q2 us-gaap Interest Bearing Deposit Liabilities
InterestBearingDepositLiabilities
823983000
CY2022Q4 us-gaap Interest Bearing Deposit Liabilities
InterestBearingDepositLiabilities
863822000
CY2023Q2 us-gaap Deposits Savings Deposits
DepositsSavingsDeposits
1641014000
CY2022Q4 us-gaap Deposits Savings Deposits
DepositsSavingsDeposits
1643516000
CY2023Q2 us-gaap Time Deposits
TimeDeposits
1547076000
CY2022Q4 us-gaap Time Deposits
TimeDeposits
1282872000
CY2023Q2 us-gaap Deposits
Deposits
5034861000
CY2022Q4 us-gaap Deposits
Deposits
4929424000
CY2023Q2 us-gaap Short Term Borrowings
ShortTermBorrowings
374000000
CY2022Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
205000000
CY2023Q2 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
623000
CY2022Q4 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
778000
CY2023Q2 us-gaap Long Term Debt
LongTermDebt
124377000
CY2022Q4 us-gaap Long Term Debt
LongTermDebt
74222000
us-gaap Interest Expense Deposits
InterestExpenseDeposits
43348000
us-gaap Interest Expense Deposits
InterestExpenseDeposits
4071000
CY2023Q2 us-gaap Interest Expense Short Term Borrowings
InterestExpenseShortTermBorrowings
3159000
CY2022Q2 us-gaap Interest Expense Short Term Borrowings
InterestExpenseShortTermBorrowings
252000
CY2023Q2 us-gaap Other Liabilities
OtherLiabilities
182187000
CY2022Q4 us-gaap Other Liabilities
OtherLiabilities
183021000
CY2023Q2 us-gaap Liabilities
Liabilities
5715425000
CY2022Q4 us-gaap Liabilities
Liabilities
5391667000
CY2023Q2 us-gaap Preferred Stock Value
PreferredStockValue
17292000
CY2022Q4 us-gaap Preferred Stock Value
PreferredStockValue
17292000
CY2023Q2 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.01
CY2022Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.01
CY2023Q2 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
50000000
CY2022Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
50000000
CY2023Q2 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
16099556
CY2022Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
16099556
CY2023Q2 us-gaap Common Stock Value
CommonStockValue
161000
CY2022Q4 us-gaap Common Stock Value
CommonStockValue
161000
CY2023Q2 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
125457000
CY2022Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
126636000
CY2023Q2 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
437851000
CY2022Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
421340000
CY2023Q2 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-134472000
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-137487000
CY2023Q2 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
697756
CY2022Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
759555
CY2023Q2 us-gaap Treasury Stock Value
TreasuryStockValue
20416000
CY2022Q4 us-gaap Treasury Stock Value
TreasuryStockValue
22337000
CY2023Q2 us-gaap Stockholders Equity
StockholdersEquity
425873000
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
405605000
CY2023Q2 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
6141298000
CY2022Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
5797272000
CY2023Q2 us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
64052000
CY2022Q2 us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
38872000
us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
121150000
us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
75170000
CY2023Q2 us-gaap Interest And Dividend Income Securities
InterestAndDividendIncomeSecurities
5877000
CY2022Q2 us-gaap Interest And Dividend Income Securities
InterestAndDividendIncomeSecurities
6294000
us-gaap Interest And Dividend Income Securities
InterestAndDividendIncomeSecurities
11934000
us-gaap Interest And Dividend Income Securities
InterestAndDividendIncomeSecurities
12330000
CY2023Q2 us-gaap Interest And Other Income
InterestAndOtherIncome
1186000
CY2022Q2 us-gaap Interest And Other Income
InterestAndOtherIncome
110000
us-gaap Interest And Other Income
InterestAndOtherIncome
1802000
us-gaap Interest And Other Income
InterestAndOtherIncome
127000
CY2023Q2 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
71115000
CY2022Q2 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
45276000
us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
134886000
us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
87627000
CY2023Q2 us-gaap Interest Expense Deposits
InterestExpenseDeposits
24054000
CY2022Q2 us-gaap Interest Expense Deposits
InterestExpenseDeposits
2366000
us-gaap Interest Expense Short Term Borrowings
InterestExpenseShortTermBorrowings
4361000
us-gaap Interest Expense Short Term Borrowings
InterestExpenseShortTermBorrowings
280000
CY2023Q2 us-gaap Interest Expense Long Term Debt
InterestExpenseLongTermDebt
1565000
CY2022Q2 us-gaap Interest Expense Long Term Debt
InterestExpenseLongTermDebt
1061000
us-gaap Interest Expense Long Term Debt
InterestExpenseLongTermDebt
3025000
us-gaap Interest Expense Long Term Debt
InterestExpenseLongTermDebt
2121000
CY2023Q2 us-gaap Interest Expense
InterestExpense
28778000
CY2022Q2 us-gaap Interest Expense
InterestExpense
3679000
us-gaap Interest Expense
InterestExpense
50734000
us-gaap Interest Expense
InterestExpense
6472000
CY2023Q2 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
42337000
CY2022Q2 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
41597000
us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
84152000
us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
81155000
CY2023Q2 fisi Provision For Credit Losses
ProvisionForCreditLosses
3230000
CY2022Q2 fisi Provision For Credit Losses
ProvisionForCreditLosses
563000
fisi Provision For Credit Losses
ProvisionForCreditLosses
7444000
fisi Provision For Credit Losses
ProvisionForCreditLosses
2882000
CY2023Q2 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
39107000
CY2022Q2 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
41034000
us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
76708000
us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
78273000
CY2023Q2 fisi Noninterest Income Service Charges On Deposits
NoninterestIncomeServiceChargesOnDeposits
1223000
CY2022Q2 fisi Noninterest Income Service Charges On Deposits
NoninterestIncomeServiceChargesOnDeposits
1437000
fisi Noninterest Income Service Charges On Deposits
NoninterestIncomeServiceChargesOnDeposits
2250000
fisi Noninterest Income Service Charges On Deposits
NoninterestIncomeServiceChargesOnDeposits
2806000
CY2023Q2 us-gaap Insurance Services Revenue
InsuranceServicesRevenue
1328000
CY2022Q2 us-gaap Insurance Services Revenue
InsuranceServicesRevenue
1234000
us-gaap Insurance Services Revenue
InsuranceServicesRevenue
3415000
us-gaap Insurance Services Revenue
InsuranceServicesRevenue
3331000
CY2023Q2 fisi Card Interchange Income
CardInterchangeIncome
2107000
CY2022Q2 fisi Card Interchange Income
CardInterchangeIncome
2103000
fisi Card Interchange Income
CardInterchangeIncome
4046000
fisi Card Interchange Income
CardInterchangeIncome
4055000
CY2023Q2 us-gaap Brokerage Commissions Revenue
BrokerageCommissionsRevenue
2819000
CY2022Q2 us-gaap Brokerage Commissions Revenue
BrokerageCommissionsRevenue
2906000
us-gaap Brokerage Commissions Revenue
BrokerageCommissionsRevenue
5742000
us-gaap Brokerage Commissions Revenue
BrokerageCommissionsRevenue
5947000
CY2023Q2 us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
953000
CY2022Q2 us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
869000
us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
1947000
us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
1702000
CY2023Q2 fisi Noninterest Income Investments In Limited Partnerships
NoninterestIncomeInvestmentsInLimitedPartnerships
469000
CY2022Q2 fisi Noninterest Income Investments In Limited Partnerships
NoninterestIncomeInvestmentsInLimitedPartnerships
242000
fisi Noninterest Income Investments In Limited Partnerships
NoninterestIncomeInvestmentsInLimitedPartnerships
720000
fisi Noninterest Income Investments In Limited Partnerships
NoninterestIncomeInvestmentsInLimitedPartnerships
1037000
CY2023Q2 fisi Noninterest Income Loan Servicing
NoninterestIncomeLoanServicing
114000
CY2022Q2 fisi Noninterest Income Loan Servicing
NoninterestIncomeLoanServicing
135000
fisi Noninterest Income Loan Servicing
NoninterestIncomeLoanServicing
260000
fisi Noninterest Income Loan Servicing
NoninterestIncomeLoanServicing
244000
CY2023Q2 us-gaap Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
703000
CY2022Q2 us-gaap Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
645000
us-gaap Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
1199000
us-gaap Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
1164000
CY2023Q2 us-gaap Gain Loss On Sales Of Loans Net
GainLossOnSalesOfLoansNet
122000
CY2022Q2 us-gaap Gain Loss On Sales Of Loans Net
GainLossOnSalesOfLoansNet
828000
us-gaap Gain Loss On Sales Of Loans Net
GainLossOnSalesOfLoansNet
234000
us-gaap Gain Loss On Sales Of Loans Net
GainLossOnSalesOfLoansNet
737000
CY2023Q2 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
0
CY2022Q2 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-15000
us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
0
us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-15000
CY2023Q2 us-gaap Gain Loss On Sale Of Other Assets
GainLossOnSaleOfOtherAssets
-7000
CY2022Q2 us-gaap Gain Loss On Sale Of Other Assets
GainLossOnSaleOfOtherAssets
7000
us-gaap Gain Loss On Sale Of Other Assets
GainLossOnSaleOfOtherAssets
32000
us-gaap Gain Loss On Sale Of Other Assets
GainLossOnSaleOfOtherAssets
7000
CY2023Q2 fisi Gain Loss On Tax Credit Investments
GainLossOnTaxCreditInvestments
489000
CY2022Q2 fisi Gain Loss On Tax Credit Investments
GainLossOnTaxCreditInvestments
-92000
fisi Gain Loss On Tax Credit Investments
GainLossOnTaxCreditInvestments
288000
fisi Gain Loss On Tax Credit Investments
GainLossOnTaxCreditInvestments
-319000
CY2023Q2 us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
1146000
CY2022Q2 us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
1061000
us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
2257000
us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
1986000
CY2023Q2 us-gaap Noninterest Income
NoninterestIncome
11466000
CY2022Q2 us-gaap Noninterest Income
NoninterestIncome
11360000
us-gaap Noninterest Income
NoninterestIncome
22390000
us-gaap Noninterest Income
NoninterestIncome
22682000
CY2023Q2 us-gaap Labor And Related Expense
LaborAndRelatedExpense
17754000
CY2022Q2 us-gaap Labor And Related Expense
LaborAndRelatedExpense
16966000
us-gaap Labor And Related Expense
LaborAndRelatedExpense
35887000
us-gaap Labor And Related Expense
LaborAndRelatedExpense
33582000
CY2023Q2 us-gaap Occupancy Net
OccupancyNet
3538000
CY2022Q2 us-gaap Occupancy Net
OccupancyNet
4015000
us-gaap Occupancy Net
OccupancyNet
7268000
us-gaap Occupancy Net
OccupancyNet
7771000
CY2023Q2 us-gaap Professional Fees
ProfessionalFees
1273000
CY2022Q2 us-gaap Professional Fees
ProfessionalFees
1269000
us-gaap Professional Fees
ProfessionalFees
2768000
us-gaap Professional Fees
ProfessionalFees
2925000
CY2023Q2 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
4750000
CY2022Q2 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
4573000
us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
9441000
us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
8552000
CY2023Q2 us-gaap Supplies And Postage Expense
SuppliesAndPostageExpense
473000
CY2022Q2 us-gaap Supplies And Postage Expense
SuppliesAndPostageExpense
469000
us-gaap Supplies And Postage Expense
SuppliesAndPostageExpense
963000
us-gaap Supplies And Postage Expense
SuppliesAndPostageExpense
1010000
CY2023Q2 us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
1239000
CY2022Q2 us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
621000
us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
2354000
us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
1134000
CY2023Q2 us-gaap Marketing And Advertising Expense
MarketingAndAdvertisingExpense
498000
CY2022Q2 us-gaap Marketing And Advertising Expense
MarketingAndAdvertisingExpense
406000
us-gaap Marketing And Advertising Expense
MarketingAndAdvertisingExpense
812000
us-gaap Marketing And Advertising Expense
MarketingAndAdvertisingExpense
786000
CY2023Q2 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
230000
CY2022Q2 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
249000
us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
464000
us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
503000
CY2023Q2 us-gaap Restructuring Charges
RestructuringCharges
-19000
CY2022Q2 us-gaap Restructuring Charges
RestructuringCharges
1269000
us-gaap Restructuring Charges
RestructuringCharges
-19000
us-gaap Restructuring Charges
RestructuringCharges
1269000
CY2023Q2 us-gaap Other Noninterest Expense
OtherNoninterestExpense
4046000
CY2022Q2 us-gaap Other Noninterest Expense
OtherNoninterestExpense
3050000
us-gaap Other Noninterest Expense
OtherNoninterestExpense
7505000
us-gaap Other Noninterest Expense
OtherNoninterestExpense
5490000
CY2023Q2 us-gaap Noninterest Expense
NoninterestExpense
33782000
CY2022Q2 us-gaap Noninterest Expense
NoninterestExpense
32887000
us-gaap Noninterest Expense
NoninterestExpense
67443000
us-gaap Noninterest Expense
NoninterestExpense
63022000
CY2023Q2 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
16791000
CY2022Q2 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
19507000
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
31655000
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
37933000
CY2023Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
2418000
CY2022Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3859000
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
5193000
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
7302000
CY2023Q2 us-gaap Net Income Loss
NetIncomeLoss
14373000
CY2022Q2 us-gaap Net Income Loss
NetIncomeLoss
15648000
us-gaap Net Income Loss
NetIncomeLoss
26462000
us-gaap Net Income Loss
NetIncomeLoss
30631000
CY2023Q2 us-gaap Preferred Stock Dividends Income Statement Impact
PreferredStockDividendsIncomeStatementImpact
364000
CY2022Q2 us-gaap Preferred Stock Dividends Income Statement Impact
PreferredStockDividendsIncomeStatementImpact
365000
us-gaap Preferred Stock Dividends Income Statement Impact
PreferredStockDividendsIncomeStatementImpact
729000
us-gaap Preferred Stock Dividends Income Statement Impact
PreferredStockDividendsIncomeStatementImpact
729000
CY2023Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
14009000
CY2022Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
15283000
us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
25733000
us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
29902000
CY2023Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.91
CY2022Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.68
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.94
CY2023Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.91
CY2022Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.99
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.67
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.93
CY2023Q2 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.3
CY2022Q2 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.29
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.6
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.58
CY2023Q2 us-gaap Net Income Loss
NetIncomeLoss
14373000
CY2022Q2 us-gaap Net Income Loss
NetIncomeLoss
15648000
us-gaap Net Income Loss
NetIncomeLoss
26462000
us-gaap Net Income Loss
NetIncomeLoss
30631000
CY2023Q2 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-8648000
CY2022Q2 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-33415000
us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
1986000
us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-89188000
CY2023Q2 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
1404000
CY2022Q2 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
737000
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
741000
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
2575000
CY2023Q2 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-144000
CY2022Q2 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-47000
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-288000
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-95000
CY2023Q2 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-7100000
CY2022Q2 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-32631000
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
3015000
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-86518000
CY2023Q2 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
7273000
CY2022Q2 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
-16983000
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
29477000
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
-55887000
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
405605000
CY2023Q1 us-gaap Net Income Loss
NetIncomeLoss
12089000
CY2023Q1 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
10115000
CY2023Q1 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
561000
CY2023Q1 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
551000
CY2023Q1 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.3
CY2023Q1 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
4611000
CY2023Q1 us-gaap Stockholders Equity
StockholdersEquity
422823000
CY2023Q2 us-gaap Net Income Loss
NetIncomeLoss
14373000
CY2023Q2 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-7100000
CY2023Q2 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
2000
CY2023Q2 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
657000
CY2023Q2 us-gaap Stock Granted During Period Value Sharebased Compensation
StockGrantedDuringPeriodValueSharebasedCompensation
97000
CY2023Q2 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.3
CY2023Q2 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
4611000
CY2023Q2 us-gaap Stockholders Equity
StockholdersEquity
425873000
CY2021Q4 us-gaap Stockholders Equity
StockholdersEquity
505142000
CY2022Q1 us-gaap Net Income Loss
NetIncomeLoss
14983000
CY2022Q1 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-53887000
CY2022Q1 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
15026000
CY2022Q1 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
443000
CY2022Q1 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.29
CY2022Q1 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
4444000
CY2022Q1 us-gaap Stockholders Equity
StockholdersEquity
446846000
CY2022Q2 us-gaap Net Income Loss
NetIncomeLoss
15648000
CY2022Q2 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-32631000
CY2022Q2 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
301000
CY2022Q2 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
947000
CY2022Q2 us-gaap Stock Granted During Period Value Sharebased Compensation
StockGrantedDuringPeriodValueSharebasedCompensation
102000
CY2022Q2 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.29
CY2022Q2 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
4446000
CY2022Q2 us-gaap Stockholders Equity
StockholdersEquity
425801000
us-gaap Profit Loss
ProfitLoss
26462000
us-gaap Profit Loss
ProfitLoss
30631000
us-gaap Depreciation And Amortization
DepreciationAndAmortization
4090000
us-gaap Depreciation And Amortization
DepreciationAndAmortization
4218000
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1792000
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-2736000
fisi Provision For Credit Losses
ProvisionForCreditLosses
7444000
fisi Provision For Credit Losses
ProvisionForCreditLosses
2882000
us-gaap Share Based Compensation
ShareBasedCompensation
1208000
us-gaap Share Based Compensation
ShareBasedCompensation
1390000
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-510000
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-646000
us-gaap Proceeds From Sale Of Loans Held For Sale
ProceedsFromSaleOfLoansHeldForSale
7791000
us-gaap Proceeds From Sale Of Loans Held For Sale
ProceedsFromSaleOfLoansHeldForSale
18768000
us-gaap Payments For Origination And Purchases Of Loans Held For Sale
PaymentsForOriginationAndPurchasesOfLoansHeldForSale
7812000
us-gaap Payments For Origination And Purchases Of Loans Held For Sale
PaymentsForOriginationAndPurchasesOfLoansHeldForSale
16094000
us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
1947000
us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
1702000
us-gaap Gain Loss On Sales Of Loans Net
GainLossOnSalesOfLoansNet
234000
us-gaap Gain Loss On Sales Of Loans Net
GainLossOnSalesOfLoansNet
737000
us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
0
us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-15000
us-gaap Gain Loss On Sale Of Other Assets
GainLossOnSaleOfOtherAssets
32000
us-gaap Gain Loss On Sale Of Other Assets
GainLossOnSaleOfOtherAssets
7000
fisi Noncash Restructuring Charges Against Assets
NoncashRestructuringChargesAgainstAssets
-19000
fisi Noncash Restructuring Charges Against Assets
NoncashRestructuringChargesAgainstAssets
1269000
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
21176000
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
14393000
us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
-2242000
us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
53454000
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
14815000
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
81784000
us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
0
us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
75269000
us-gaap Payments To Acquire Held To Maturity Securities
PaymentsToAcquireHeldToMaturitySecurities
1209000
us-gaap Payments To Acquire Held To Maturity Securities
PaymentsToAcquireHeldToMaturitySecurities
36035000
us-gaap Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
43342000
us-gaap Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
68269000
us-gaap Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
30077000
us-gaap Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
36265000
us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
0
us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
6252000
us-gaap Payments For Proceeds From Loans And Leases
PaymentsForProceedsFromLoansAndLeases
350085000
us-gaap Payments For Proceeds From Loans And Leases
PaymentsForProceedsFromLoansAndLeases
84329000
us-gaap Payments For Proceeds From Life Insurance Policies
PaymentsForProceedsFromLifeInsurancePolicies
13000
us-gaap Payments For Proceeds From Life Insurance Policies
PaymentsForProceedsFromLifeInsurancePolicies
10011000
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
1232000
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
3999000
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-279120000
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-98857000
us-gaap Increase Decrease In Deposits
IncreaseDecreaseInDeposits
105437000
us-gaap Increase Decrease In Deposits
IncreaseDecreaseInDeposits
-6574000
us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
169000000
us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
79000000
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
50000000
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
0
us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
563000
us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
15327000
us-gaap Payments Of Dividends
PaymentsOfDividends
9787000
us-gaap Payments Of Dividends
PaymentsOfDividends
9433000
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
314087000
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
47666000
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
49782000
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
30593000
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
130466000
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
79112000
CY2023Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
180248000
CY2022Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
109705000
us-gaap Prior Period Reclassification Adjustment Description
PriorPeriodReclassificationAdjustmentDescription
<p style="text-indent:0.0%;font-size:10.0pt;margin-top:8.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:justify;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Reclassifications</span></p><p style="text-indent:0.0%;font-size:10.0pt;margin-top:4.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:justify;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Certain reclassifications of previously reported amounts have been made to conform to the current year presentation. Such reclassifications did not impact net income or shareholders’ equity as previously reported.</span></p>
us-gaap Use Of Estimates
UseOfEstimates
<p style="text-indent:0.0%;font-size:10.0pt;margin-top:12.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:justify;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">Use of Estimates</span></p><p style="text-indent:0.0%;font-size:10.0pt;margin-top:4.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:justify;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:&quot;Times New Roman&quot;, serif;min-width:fit-content;">The preparation of these financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. Material estimates relate to the determination of the allowance for credit losses, the carrying value of goodwill and deferred tax assets, and assumptions used in the defined benefit pension plan accounting.</span></p>
us-gaap Interest Paid Net
InterestPaidNet
61108000
us-gaap Interest Paid Net
InterestPaidNet
6129000
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
4678000
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
-871000
us-gaap Transfer To Other Real Estate
TransferToOtherRealEstate
163000
us-gaap Transfer To Other Real Estate
TransferToOtherRealEstate
0
CY2023Q2 us-gaap Dividends Payable Current And Noncurrent
DividendsPayableCurrentAndNoncurrent
4975000
CY2022Q2 us-gaap Dividends Payable Current And Noncurrent
DividendsPayableCurrentAndNoncurrent
4810000
CY2020Q3 fisi Number Of Bank Branch Closure
NumberOfBankBranchClosure
6
CY2020Q3 fisi Percentage Of Branch Network
PercentageOfBranchNetwork
0.10
CY2020Q3 fisi Percentage Of Branch Network Impact
PercentageOfBranchNetworkImpact
0.06
CY2020Q4 fisi Number Of Additional Branches Planned To Close
NumberOfAdditionalBranchesPlannedToClose
1
CY2020 fisi Pre Tax Expense Related Branch Closures
PreTaxExpenseRelatedBranchClosures
1700000
CY2022 us-gaap Restructuring Charges
RestructuringCharges
1600000
us-gaap Restructuring Charges
RestructuringCharges
111000
CY2023Q2 fisi Restructuring Recoveries
RestructuringRecoveries
19000
fisi Restructuring Recoveries
RestructuringRecoveries
19000
CY2023Q2 us-gaap Restructuring Costs
RestructuringCosts
-19000
CY2022Q2 us-gaap Restructuring Costs
RestructuringCosts
1269000
us-gaap Restructuring Costs
RestructuringCosts
-19000
us-gaap Restructuring Costs
RestructuringCosts
1269000
CY2023Q1 us-gaap Restructuring Reserve
RestructuringReserve
288000
CY2022Q1 us-gaap Restructuring Reserve
RestructuringReserve
445000
CY2022Q4 us-gaap Restructuring Reserve
RestructuringReserve
302000
CY2021Q4 us-gaap Restructuring Reserve
RestructuringReserve
445000
CY2023Q2 fisi Restructuring Recoveries Charges
RestructuringRecoveriesCharges
-4000
CY2022Q2 fisi Restructuring Recoveries Charges
RestructuringRecoveriesCharges
1269000
fisi Restructuring Recoveries Charges
RestructuringRecoveriesCharges
-4000
fisi Restructuring Recoveries Charges
RestructuringRecoveriesCharges
1269000
CY2023Q2 us-gaap Payments For Restructuring
PaymentsForRestructuring
11000
CY2022Q2 us-gaap Payments For Restructuring
PaymentsForRestructuring
37000
us-gaap Payments For Restructuring
PaymentsForRestructuring
25000
us-gaap Payments For Restructuring
PaymentsForRestructuring
37000
CY2023Q2 us-gaap Restructuring Reserve Period Increase Decrease
RestructuringReservePeriodIncreaseDecrease
0
CY2022Q2 us-gaap Restructuring Reserve Period Increase Decrease
RestructuringReservePeriodIncreaseDecrease
1353000
us-gaap Restructuring Reserve Period Increase Decrease
RestructuringReservePeriodIncreaseDecrease
0
us-gaap Restructuring Reserve Period Increase Decrease
RestructuringReservePeriodIncreaseDecrease
1353000
CY2023Q2 us-gaap Restructuring Reserve
RestructuringReserve
273000
CY2022Q2 us-gaap Restructuring Reserve
RestructuringReserve
324000
CY2023Q2 us-gaap Restructuring Reserve
RestructuringReserve
273000
CY2022Q2 us-gaap Restructuring Reserve
RestructuringReserve
324000
us-gaap Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
1500000
CY2022 us-gaap Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
1500000
CY2023Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
14009000
CY2022Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
15283000
us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
25733000
us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
29902000
CY2023Q2 us-gaap Weighted Average Number Of Shares Issued Basic
WeightedAverageNumberOfSharesIssuedBasic
16100000
CY2022Q2 us-gaap Weighted Average Number Of Shares Issued Basic
WeightedAverageNumberOfSharesIssuedBasic
16100000
us-gaap Weighted Average Number Of Shares Issued Basic
WeightedAverageNumberOfSharesIssuedBasic
16100000
us-gaap Weighted Average Number Of Shares Issued Basic
WeightedAverageNumberOfSharesIssuedBasic
16100000
CY2023Q2 us-gaap Weighted Average Number Of Shares Restricted Stock
WeightedAverageNumberOfSharesRestrictedStock
7000
CY2022Q2 us-gaap Weighted Average Number Of Shares Restricted Stock
WeightedAverageNumberOfSharesRestrictedStock
5000
us-gaap Weighted Average Number Of Shares Restricted Stock
WeightedAverageNumberOfSharesRestrictedStock
10000
us-gaap Weighted Average Number Of Shares Restricted Stock
WeightedAverageNumberOfSharesRestrictedStock
5000
CY2023Q2 us-gaap Weighted Average Number Of Shares Treasury Stock
WeightedAverageNumberOfSharesTreasuryStock
721000
CY2022Q2 us-gaap Weighted Average Number Of Shares Treasury Stock
WeightedAverageNumberOfSharesTreasuryStock
789000
us-gaap Weighted Average Number Of Shares Treasury Stock
WeightedAverageNumberOfSharesTreasuryStock
734000
us-gaap Weighted Average Number Of Shares Treasury Stock
WeightedAverageNumberOfSharesTreasuryStock
655000
CY2023Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
15372000
CY2022Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
15306000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
15356000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
15440000
CY2023Q2 fisi Incremental Common Shares Attributable To Vesting Of Restricted Stock Awards
IncrementalCommonSharesAttributableToVestingOfRestrictedStockAwards
41000
CY2022Q2 fisi Incremental Common Shares Attributable To Vesting Of Restricted Stock Awards
IncrementalCommonSharesAttributableToVestingOfRestrictedStockAwards
79000
fisi Incremental Common Shares Attributable To Vesting Of Restricted Stock Awards
IncrementalCommonSharesAttributableToVestingOfRestrictedStockAwards
71000
fisi Incremental Common Shares Attributable To Vesting Of Restricted Stock Awards
IncrementalCommonSharesAttributableToVestingOfRestrictedStockAwards
92000
CY2023Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
15413000
CY2022Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
15385000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
15427000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
15532000
CY2023Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.91
CY2022Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.00
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.68
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.94
CY2023Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.91
CY2022Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.99
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.67
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.93
CY2023Q2 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
1082174000
CY2023Q2 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
332000
CY2023Q2 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
170384000
CY2023Q2 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
912122000
CY2023Q2 us-gaap Held To Maturity Securities
HeldToMaturitySecurities
159897000
CY2023Q2 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Gain
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
25000
CY2023Q2 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Loss
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
13896000
CY2023Q2 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
146026000
CY2023Q2 fisi Allowance For Credit Losses Amortized Cost
AllowanceForCreditLossesAmortizedCost
4000
CY2023Q2 fisi Held To Maturity Securities Net
HeldToMaturitySecuritiesNet
159893000
CY2022Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
1127057000
CY2022Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
338000
CY2022Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
173024000
CY2022Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
954371000
CY2022Q4 us-gaap Held To Maturity Securities
HeldToMaturitySecurities
188980000
CY2022Q4 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Gain
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
24000
CY2022Q4 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Loss
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
14816000
CY2022Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
174188000
CY2022Q4 fisi Allowance For Credit Losses Amortized Cost
AllowanceForCreditLossesAmortizedCost
5000
CY2022Q4 fisi Held To Maturity Securities Net
HeldToMaturitySecuritiesNet
188975000
CY2023Q2 fisi Debt Securities Available For Sale And Held To Maturity Restricted
DebtSecuritiesAvailableForSaleAndHeldToMaturityRestricted
795000000
CY2022Q4 fisi Debt Securities Available For Sale And Held To Maturity Restricted
DebtSecuritiesAvailableForSaleAndHeldToMaturityRestricted
850400000
CY2023Q2 us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
0
CY2022Q2 us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
6252000
us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
0
us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
6252000
CY2023Q2 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
0
CY2022Q2 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
0
us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
0
us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
0
CY2023Q2 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
0
CY2022Q2 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
15000
us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
15000
CY2023Q2 us-gaap Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount
2767000
CY2023Q2 us-gaap Held To Maturity Securities Debt Maturities Within One Year Fair Value
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue
2688000
CY2023Q2 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
92004000
CY2023Q2 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
84185000
CY2023Q2 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
134942000
CY2023Q2 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
118659000
CY2023Q2 us-gaap Available For Sale Securities Debt Maturities After Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
852461000
CY2023Q2 us-gaap Available For Sale Securities Debt Maturities After Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
706590000
CY2023Q2 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
1082174000
CY2022Q4 fisi Investment Securities In Unrealized Loss Positions Less Than Twelve Months Qualitative Disclosure Number Of Positions
InvestmentSecuritiesInUnrealizedLossPositionsLessThanTwelveMonthsQualitativeDisclosureNumberOfPositions
99000000
CY2022Q4 fisi Investment Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
InvestmentSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
193800000
CY2022Q4 fisi Investment Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
InvestmentSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
17900000
CY2023Q2 us-gaap Debt Securities Available For Sale Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
0
CY2023Q2 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
912122000
CY2023Q2 us-gaap Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
25668000
CY2023Q2 us-gaap Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
25401000
CY2023Q2 us-gaap Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount
39346000
CY2023Q2 us-gaap Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
37977000
CY2023Q2 us-gaap Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount
30793000
CY2023Q2 us-gaap Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
27351000
CY2023Q2 us-gaap Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount
64090000
CY2023Q2 us-gaap Held To Maturity Securities Debt Maturities After Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
55297000
CY2023Q2 us-gaap Held To Maturity Securities
HeldToMaturitySecurities
159897000
CY2023Q2 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
146026000
CY2023Q2 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
8644000
CY2023Q2 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
661000
CY2023Q2 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
903146000
CY2023Q2 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
169723000
CY2023Q2 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
911790000
CY2023Q2 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
170384000
CY2023Q2 fisi Investment Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
InvestmentSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
8644000
CY2023Q2 fisi Investment Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
InvestmentSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
661000
CY2023Q2 fisi Investment Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
InvestmentSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
903146000
CY2023Q2 fisi Investment Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
InvestmentSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
169723000
CY2023Q2 fisi Investment Securities Continuous Unrealized Loss Position Fair Value
InvestmentSecuritiesContinuousUnrealizedLossPositionFairValue
911790000
CY2023Q2 fisi Investment Securities Accumulated Unrecognized Holding Loss
InvestmentSecuritiesAccumulatedUnrecognizedHoldingLoss
170384000
CY2022Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
193800000
CY2022Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
17922000
CY2022Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
760210000
CY2022Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
155102000
CY2022Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
954010000
CY2022Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
173024000
CY2022Q4 fisi Investment Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
InvestmentSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
193800000
CY2022Q4 fisi Investment Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
InvestmentSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
17922000
CY2022Q4 fisi Investment Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
InvestmentSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
760210000
CY2022Q4 fisi Investment Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
InvestmentSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
155102000
CY2022Q4 fisi Investment Securities Continuous Unrealized Loss Position Fair Value
InvestmentSecuritiesContinuousUnrealizedLossPositionFairValue
954010000
CY2022Q4 fisi Investment Securities Accumulated Unrecognized Holding Loss
InvestmentSecuritiesAccumulatedUnrecognizedHoldingLoss
173024000
CY2023Q2 fisi Investment Securities In Unrealized Loss Position Number Of Positions
InvestmentSecuritiesInUnrealizedLossPositionNumberOfPositions
221
CY2022Q4 fisi Investment Securities In Unrealized Loss Position Number Of Positions
InvestmentSecuritiesInUnrealizedLossPositionNumberOfPositions
226
CY2023Q2 fisi Investment Securities In Unrealized Loss Positions Twelve Months Or Longer Qualitative Disclosure Number Of Positions
InvestmentSecuritiesInUnrealizedLossPositionsTwelveMonthsOrLongerQualitativeDisclosureNumberOfPositions
196
CY2023Q2 fisi Investment Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
InvestmentSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
903100000
CY2023Q2 fisi Investment Securities In Unrealized Loss Positions Less Than Twelve Months Qualitative Disclosure Number Of Positions
InvestmentSecuritiesInUnrealizedLossPositionsLessThanTwelveMonthsQualitativeDisclosureNumberOfPositions
25
CY2023Q2 fisi Investment Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
InvestmentSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
8600000
CY2023Q2 fisi Investment Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
InvestmentSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
661000
CY2022Q4 fisi Investment Securities In Unrealized Loss Positions Twelve Months Or Longer Qualitative Disclosure Number Of Positions
InvestmentSecuritiesInUnrealizedLossPositionsTwelveMonthsOrLongerQualitativeDisclosureNumberOfPositions
127
CY2022Q4 fisi Investment Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
InvestmentSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
760200000
CY2022Q4 us-gaap Debt Securities Available For Sale Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
0
CY2023Q2 us-gaap Loans And Leases Receivable Gross Carrying Amount
LoansAndLeasesReceivableGrossCarryingAmount
4348224000
CY2023Q2 fisi Loans And Leases Receivable Deferred Loan Fees Costs
LoansAndLeasesReceivableDeferredLoanFeesCosts
-49585000
CY2023Q2 us-gaap Loans And Leases Receivable Net Of Deferred Income
LoansAndLeasesReceivableNetOfDeferredIncome
4397809000
CY2023Q2 us-gaap Loans And Leases Receivable Allowance
LoansAndLeasesReceivableAllowance
49836000
CY2023Q2 us-gaap Loans And Leases Receivable Net Reported Amount
LoansAndLeasesReceivableNetReportedAmount
4347973000
CY2022Q4 us-gaap Loans And Leases Receivable Gross Carrying Amount
LoansAndLeasesReceivableGrossCarryingAmount
3998718000
CY2022Q4 fisi Loans And Leases Receivable Deferred Loan Fees Costs
LoansAndLeasesReceivableDeferredLoanFeesCosts
-51731000
CY2022Q4 us-gaap Loans And Leases Receivable Net Of Deferred Income
LoansAndLeasesReceivableNetOfDeferredIncome
4050449000
CY2022Q4 us-gaap Loans And Leases Receivable Allowance
LoansAndLeasesReceivableAllowance
45413000
CY2022Q4 us-gaap Loans And Leases Receivable Net Reported Amount
LoansAndLeasesReceivableNetReportedAmount
4005036000
CY2023Q2 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
9902000
CY2023Q2 us-gaap Notes Receivable Gross
NotesReceivableGross
4348224000
CY2023Q2 us-gaap Financing Receivable Nonaccrual No Allowance
FinancingReceivableNonaccrualNoAllowance
9692000
CY2022Q4 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
10197000
CY2022Q4 us-gaap Notes Receivable Gross
NotesReceivableGross
3998718000
CY2022Q4 us-gaap Financing Receivable Nonaccrual No Allowance
FinancingReceivableNonaccrualNoAllowance
8185000
us-gaap Financing Receivable Nonaccrual Interest Income
FinancingReceivableNonaccrualInterestIncome
0
us-gaap Financing Receivable Nonaccrual Interest Income
FinancingReceivableNonaccrualInterestIncome
0
us-gaap Interest Income Operating
InterestIncomeOperating
122000
us-gaap Interest Income Operating
InterestIncomeOperating
288000
CY2023Q2 fisi Collateral Dependent Loans On Business Assets
CollateralDependentLoansOnBusinessAssets
3272000
CY2023Q2 fisi Collateral Dependent Loans On Real Property
CollateralDependentLoansOnRealProperty
18461000
CY2023Q2 fisi Collateral Dependent Loans
CollateralDependentLoans
21733000
CY2023Q2 fisi Collateral Dependent Loan With Specific Reserve
CollateralDependentLoanWithSpecificReserve
1205000
CY2022Q4 fisi Collateral Dependent Loans On Business Assets
CollateralDependentLoansOnBusinessAssets
147000
CY2022Q4 fisi Collateral Dependent Loans On Real Property
CollateralDependentLoansOnRealProperty
22585000
CY2022Q4 fisi Collateral Dependent Loans
CollateralDependentLoans
22732000
CY2022Q4 fisi Collateral Dependent Loan With Specific Reserve
CollateralDependentLoanWithSpecificReserve
1278000
CY2023Q1 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
47528000
CY2023Q2 us-gaap Financing Receivable Allowance For Credit Losses Write Offs
FinancingReceivableAllowanceForCreditLossesWriteOffs
3519000
CY2023Q2 us-gaap Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
2883000
CY2023Q2 fisi Financing Receivable Allowance For Loan Losses Provision Credit
FinancingReceivableAllowanceForLoanLossesProvisionCredit
2944000
CY2023Q2 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
49836000
CY2022Q4 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
45413000
us-gaap Financing Receivable Allowance For Credit Losses Write Offs
FinancingReceivableAllowanceForCreditLossesWriteOffs
8627000
us-gaap Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
5902000
fisi Financing Receivable Allowance For Loan Losses Provision Credit
FinancingReceivableAllowanceForLoanLossesProvisionCredit
7148000
CY2023Q2 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
49836000
CY2022Q1 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
40966000
CY2022Q2 us-gaap Financing Receivable Allowance For Credit Losses Write Offs
FinancingReceivableAllowanceForCreditLossesWriteOffs
3228000
CY2022Q2 us-gaap Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
4268000
CY2022Q2 fisi Financing Receivable Allowance For Loan Losses Provision Credit
FinancingReceivableAllowanceForLoanLossesProvisionCredit
446000
CY2022Q2 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
42452000
CY2021Q4 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
39676000
us-gaap Financing Receivable Allowance For Credit Losses Write Offs
FinancingReceivableAllowanceForCreditLossesWriteOffs
6141000
us-gaap Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
6394000
fisi Financing Receivable Allowance For Loan Losses Provision Credit
FinancingReceivableAllowanceForLoanLossesProvisionCredit
2523000
CY2022Q2 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
42452000
us-gaap Lessee Operating Lease Description
LesseeOperatingLeaseDescription
The Company is obligated under a number of non-cancellable operating lease agreements for land, buildings and equipment with terms, including renewal options reasonably certain to be exercised, extending through 2061
us-gaap Lessee Operating Sublease Option To Extend
LesseeOperatingSubleaseOptionToExtend
Two building leases were subleased with terms that extended through December 31, 2023.
fisi Number Of Buildings Subleased
NumberOfBuildingsSubleased
2
CY2023Q2 fisi Operating Lease Right Of Use Asset Gross
OperatingLeaseRightOfUseAssetGross
37775000
CY2022Q4 fisi Operating Lease Right Of Use Asset Gross
OperatingLeaseRightOfUseAssetGross
36723000
CY2023Q2 fisi Operating Lease Right Of Use Asset Accumulated Amortization
OperatingLeaseRightOfUseAssetAccumulatedAmortization
6366000
CY2022Q4 fisi Operating Lease Right Of Use Asset Accumulated Amortization
OperatingLeaseRightOfUseAssetAccumulatedAmortization
5603000
CY2023Q2 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
31409000
CY2022Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
31120000
CY2023Q2 us-gaap Operating Lease Liability
OperatingLeaseLiability
33628000
CY2022Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
33229000
CY2023Q2 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P21Y4M2D
CY2023Q2 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.039
CY2023Q2 us-gaap Operating Lease Cost
OperatingLeaseCost
759000
CY2022Q2 us-gaap Operating Lease Cost
OperatingLeaseCost
664000
us-gaap Operating Lease Cost
OperatingLeaseCost
1535000
us-gaap Operating Lease Cost
OperatingLeaseCost
1332000
CY2023Q2 us-gaap Variable Lease Cost
VariableLeaseCost
94000
CY2022Q2 us-gaap Variable Lease Cost
VariableLeaseCost
132000
us-gaap Variable Lease Cost
VariableLeaseCost
211000
us-gaap Variable Lease Cost
VariableLeaseCost
245000
CY2023Q2 us-gaap Sublease Income
SubleaseIncome
24000
CY2022Q2 us-gaap Sublease Income
SubleaseIncome
11000
us-gaap Sublease Income
SubleaseIncome
48000
us-gaap Sublease Income
SubleaseIncome
23000
CY2023Q2 us-gaap Lease Cost
LeaseCost
829000
CY2023Q2 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
230000
us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
464000
CY2022Q2 us-gaap Lease Cost
LeaseCost
785000
us-gaap Lease Cost
LeaseCost
1698000
us-gaap Lease Cost
LeaseCost
1554000
CY2023Q2 us-gaap Operating Lease Payments
OperatingLeasePayments
752000
CY2022Q2 us-gaap Operating Lease Payments
OperatingLeasePayments
714000
us-gaap Operating Lease Payments
OperatingLeasePayments
1442000
us-gaap Operating Lease Payments
OperatingLeasePayments
1357000
CY2023Q2 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
912000
CY2022Q2 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
100000
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
1235000
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
190000
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths
1497000
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Two
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo
2899000
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Three
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree
2795000
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Four
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour
2641000
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Five
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive
2612000
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due After Rolling Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive
39337000
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
51781000
CY2023Q2 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
18153000
CY2023Q2 us-gaap Operating Lease Liability
OperatingLeaseLiability
33628000
CY2023Q2 us-gaap Goodwill
Goodwill
67100000
CY2022Q4 us-gaap Goodwill
Goodwill
67100000
CY2022Q4 us-gaap Goodwill
Goodwill
67071000
us-gaap Goodwill Acquired During Period
GoodwillAcquiredDuringPeriod
0
CY2023Q2 us-gaap Goodwill
Goodwill
67071000
CY2022Q2 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
249000
us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
503000
CY2023Q2 us-gaap Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year
FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
446000
CY2023Q2 us-gaap Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
838000
CY2023Q2 us-gaap Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
766000
CY2023Q2 us-gaap Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
694000
CY2023Q2 us-gaap Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
623000
CY2023Q2 us-gaap Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
551000
CY2023Q2 us-gaap Finite Lived Intangible Assets Amortization Expense After Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
1961000
CY2023Q2 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
5879000
CY2023Q2 fisi Tax Credit Investments
TaxCreditInvestments
61713000
CY2022Q4 fisi Tax Credit Investments
TaxCreditInvestments
55568000
CY2023Q2 us-gaap Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
53412000
CY2022Q4 us-gaap Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
53427000
CY2023Q2 us-gaap Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
52041000
CY2022Q4 us-gaap Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
54557000
CY2023Q2 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
31409000
CY2022Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
31120000
CY2023Q2 us-gaap Federal Home Loan Bank Stock And Federal Reserve Bank Stock
FederalHomeLoanBankStockAndFederalReserveBankStock
28741000
CY2022Q4 us-gaap Federal Home Loan Bank Stock And Federal Reserve Bank Stock
FederalHomeLoanBankStockAndFederalReserveBankStock
19385000
CY2023Q2 us-gaap Interest Receivable
InterestReceivable
21731000
CY2022Q4 us-gaap Interest Receivable
InterestReceivable
14503000
CY2023Q2 us-gaap Other Assets Miscellaneous
OtherAssetsMiscellaneous
36137000
CY2022Q4 us-gaap Other Assets Miscellaneous
OtherAssetsMiscellaneous
34432000
CY2023Q2 us-gaap Other Assets
OtherAssets
285184000
CY2022Q4 us-gaap Other Assets
OtherAssets
262992000
CY2023Q2 us-gaap Derivative Asset Fair Value Of Collateral
DerivativeAssetFairValueOfCollateral
48320000
CY2022Q4 us-gaap Derivative Asset Fair Value Of Collateral
DerivativeAssetFairValueOfCollateral
54300000
CY2023Q2 us-gaap Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
43969000
CY2022Q4 us-gaap Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
47751000
CY2023Q2 us-gaap Operating Lease Liability
OperatingLeaseLiability
33628000
CY2022Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
33229000
CY2023Q2 us-gaap Interest Payable Current And Noncurrent
InterestPayableCurrentAndNoncurrent
16356000
CY2022Q4 us-gaap Interest Payable Current And Noncurrent
InterestPayableCurrentAndNoncurrent
5983000
CY2023Q2 fisi Other Liabilities Miscellaneous
OtherLiabilitiesMiscellaneous
39914000
CY2022Q4 fisi Other Liabilities Miscellaneous
OtherLiabilitiesMiscellaneous
41758000
CY2023Q2 us-gaap Other Liabilities
OtherLiabilities
182187000
CY2022Q4 us-gaap Other Liabilities
OtherLiabilities
183021000
CY2023Q2 us-gaap Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net
InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet
3200000
CY2022Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
16099556
CY2023Q1 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
16099556
CY2023Q2 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
16099556
CY2021Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
16099556
CY2022Q1 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
16099556
CY2022Q2 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
16099556
CY2022Q2 us-gaap Stock Repurchase Program Number Of Shares Authorized To Be Repurchased
StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
766447
us-gaap Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
766447
CY2020Q4 us-gaap Stock Repurchase Program Number Of Shares Authorized To Be Repurchased
StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
801879
CY2022Q1 us-gaap Stock Repurchased During Period Shares
StockRepurchasedDuringPeriodShares
461191
CY2022Q1 us-gaap Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
31.99
CY2021 us-gaap Stock Repurchased During Period Shares
StockRepurchasedDuringPeriodShares
340688
CY2023Q2 us-gaap Other Comprehensive Income Loss Before Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
-9547000
CY2023Q2 us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-2447000
CY2023Q2 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-7100000
us-gaap Other Comprehensive Income Loss Before Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
4053000
us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
1038000
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
3015000
CY2022Q2 us-gaap Other Comprehensive Income Loss Before Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
-43870000
CY2022Q2 us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-11239000
CY2022Q2 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-32631000
us-gaap Other Comprehensive Income Loss Before Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
-116321000
us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-29803000
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-86518000
CY2023Q2 fisi Fair Value Assets Level2 To Level1 Transfer Amount
FairValueAssetsLevel2ToLevel1TransferAmount
0
CY2023Q2 fisi Fair Value Assets Level1 To Level2 Transfer Amount
FairValueAssetsLevel1ToLevel2TransferAmount
0
CY2023Q2 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
0
CY2022Q2 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
0
CY2023Q2 us-gaap Share Based Compensation
ShareBasedCompensation
657000
CY2022Q2 us-gaap Share Based Compensation
ShareBasedCompensation
947000
us-gaap Share Based Compensation
ShareBasedCompensation
1208000
us-gaap Share Based Compensation
ShareBasedCompensation
1390000
CY2023Q2 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
69000
CY2022Q2 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
283000
us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
438000
us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
474000
CY2023Q2 us-gaap Defined Benefit Plan Service Cost
DefinedBenefitPlanServiceCost
447000
CY2022Q2 us-gaap Defined Benefit Plan Service Cost
DefinedBenefitPlanServiceCost
871000
us-gaap Defined Benefit Plan Service Cost
DefinedBenefitPlanServiceCost
895000
us-gaap Defined Benefit Plan Service Cost
DefinedBenefitPlanServiceCost
1742000
CY2023Q2 us-gaap Defined Benefit Plan Interest Cost
DefinedBenefitPlanInterestCost
855000
CY2022Q2 us-gaap Defined Benefit Plan Interest Cost
DefinedBenefitPlanInterestCost
647000
us-gaap Defined Benefit Plan Interest Cost
DefinedBenefitPlanInterestCost
1710000
us-gaap Defined Benefit Plan Interest Cost
DefinedBenefitPlanInterestCost
1294000
CY2023Q2 us-gaap Defined Benefit Plan Expected Return On Plan Assets
DefinedBenefitPlanExpectedReturnOnPlanAssets
878000
CY2022Q2 us-gaap Defined Benefit Plan Expected Return On Plan Assets
DefinedBenefitPlanExpectedReturnOnPlanAssets
1141000
us-gaap Defined Benefit Plan Expected Return On Plan Assets
DefinedBenefitPlanExpectedReturnOnPlanAssets
1756000
us-gaap Defined Benefit Plan Expected Return On Plan Assets
DefinedBenefitPlanExpectedReturnOnPlanAssets
2282000
CY2023Q2 us-gaap Defined Benefit Plan Amortization Of Prior Service Cost Credit
DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
-123000
CY2022Q2 us-gaap Defined Benefit Plan Amortization Of Prior Service Cost Credit
DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
0
us-gaap Defined Benefit Plan Amortization Of Prior Service Cost Credit
DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
-245000
us-gaap Defined Benefit Plan Amortization Of Prior Service Cost Credit
DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
0
CY2023Q2 us-gaap Defined Benefit Plan Amortization Of Gains Losses
DefinedBenefitPlanAmortizationOfGainsLosses
-316000
CY2022Q2 us-gaap Defined Benefit Plan Amortization Of Gains Losses
DefinedBenefitPlanAmortizationOfGainsLosses
-64000
us-gaap Defined Benefit Plan Amortization Of Gains Losses
DefinedBenefitPlanAmortizationOfGainsLosses
-632000
us-gaap Defined Benefit Plan Amortization Of Gains Losses
DefinedBenefitPlanAmortizationOfGainsLosses
-128000
CY2023Q2 us-gaap Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
617000
CY2022Q2 us-gaap Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
441000
us-gaap Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
1236000
us-gaap Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
882000
us-gaap Number Of Reportable Segments
NumberOfReportableSegments
1
CY2023Q2 us-gaap Goodwill
Goodwill
67071000
CY2023Q2 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
5879000
CY2023Q2 us-gaap Assets
Assets
6141298000
CY2022Q4 us-gaap Goodwill
Goodwill
67071000
CY2022Q4 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
6343000
CY2022Q4 us-gaap Assets
Assets
5797272000
CY2023Q2 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
42337000
CY2023Q2 fisi Provision Benefit For Credit Losses
ProvisionBenefitForCreditLosses
3230000
CY2023Q2 us-gaap Noninterest Income
NoninterestIncome
11466000
CY2023Q2 us-gaap Noninterest Expense
NoninterestExpense
33782000
CY2023Q2 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
16791000
CY2023Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
2418000
CY2023Q2 us-gaap Net Income Loss
NetIncomeLoss
14373000
us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
84152000
fisi Provision Benefit For Credit Losses
ProvisionBenefitForCreditLosses
7444000
us-gaap Noninterest Income
NoninterestIncome
22390000
us-gaap Noninterest Expense
NoninterestExpense
67443000
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
31655000
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
5193000
us-gaap Net Income Loss
NetIncomeLoss
26462000
CY2022Q2 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
41597000
CY2022Q2 fisi Provision Benefit For Credit Losses
ProvisionBenefitForCreditLosses
563000
CY2022Q2 us-gaap Noninterest Income
NoninterestIncome
11360000
CY2022Q2 us-gaap Noninterest Expense
NoninterestExpense
32887000
CY2022Q2 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
19507000
CY2022Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3859000
CY2022Q2 us-gaap Net Income Loss
NetIncomeLoss
15648000
us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
81155000
fisi Provision Benefit For Credit Losses
ProvisionBenefitForCreditLosses
2882000
us-gaap Noninterest Income
NoninterestIncome
22682000
us-gaap Noninterest Expense
NoninterestExpense
63022000
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
37933000
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
7302000
us-gaap Net Income Loss
NetIncomeLoss
30631000
ecd Rule10b51 Arr Adopted Flag
Rule10b51ArrAdoptedFlag
false
ecd Non Rule10b51 Arr Adopted Flag
NonRule10b51ArrAdoptedFlag
false
ecd Rule10b51 Arr Trmntd Flag
Rule10b51ArrTrmntdFlag
false
ecd Non Rule10b51 Arr Trmntd Flag
NonRule10b51ArrTrmntdFlag
false

Files In Submission

Name View Source Status
0000950170-23-039134-index-headers.html Edgar Link pending
0000950170-23-039134-index.html Edgar Link pending
0000950170-23-039134.txt Edgar Link pending
0000950170-23-039134-xbrl.zip Edgar Link pending
Financial_Report.xlsx Edgar Link pending
fisi-20230630.htm Edgar Link pending
fisi-20230630.xsd Edgar Link pending
fisi-ex31_1.htm Edgar Link pending
fisi-ex31_2.htm Edgar Link pending
fisi-ex32.htm Edgar Link pending
MetaLinks.json Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
fisi-20230630_cal.xml Edgar Link unprocessable
fisi-20230630_def.xml Edgar Link unprocessable
fisi-20230630_pre.xml Edgar Link unprocessable
fisi-20230630_htm.xml Edgar Link completed
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R68.htm Edgar Link pending
R69.htm Edgar Link pending
R7.htm Edgar Link pending
R70.htm Edgar Link pending
R71.htm Edgar Link pending
R72.htm Edgar Link pending
R73.htm Edgar Link pending
R74.htm Edgar Link pending
R75.htm Edgar Link pending
R76.htm Edgar Link pending
R77.htm Edgar Link pending
R78.htm Edgar Link pending
R79.htm Edgar Link pending
R8.htm Edgar Link pending
R80.htm Edgar Link pending
R81.htm Edgar Link pending
R82.htm Edgar Link pending
R83.htm Edgar Link pending
R84.htm Edgar Link pending
R85.htm Edgar Link pending
R86.htm Edgar Link pending
R87.htm Edgar Link pending
R88.htm Edgar Link pending
R89.htm Edgar Link pending
R9.htm Edgar Link pending
R90.htm Edgar Link pending
R91.htm Edgar Link pending
R92.htm Edgar Link pending
R93.htm Edgar Link pending
R94.htm Edgar Link pending
R95.htm Edgar Link pending
R96.htm Edgar Link pending
R97.htm Edgar Link pending
R98.htm Edgar Link pending
R99.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
fisi-20230630_lab.xml Edgar Link unprocessable