$IBCP
INDEPENDENT BANK CORP /MI/ Stock $ibcp

$ibcp Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000003931122000060 Filed on November 04, 2022

Income Statement

Concept	2022 Q4	2022 Q3	2021 Q3
Revenue		$8.524M	$35.86M
YoY Change		-76.23%	2.34%
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	$2.487M	$2.606M	$3.000M
YoY Change	-11.18%	-13.13%	57.89%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$5.028M	$2.052M
YoY Change		145.03%	-33.12%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$18.59M	$21.25M	$19.65M
YoY Change	20.16%	8.15%	-19.36%
Income Tax	$3.503M	$3.950M	$3.700M
% Of Pretax Income	18.84%	18.59%	18.83%
Net Earnings	$15.09M	$17.30M	$15.96M
YoY Change	20.59%	8.36%	-18.49%
Net Earnings / Revenue		202.92%	44.52%
Basic Earnings Per Share		$0.82	$0.74
Diluted Earnings Per Share	$0.71	$813.9K	$0.73
COMMON SHARES
Basic Shares Outstanding	21.07M shares	21.06M	21.52M
Diluted Shares Outstanding

Balance Sheet

Concept	2022 Q4	2022 Q3	2021 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$74.37M	$70.63M	$125.6M
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	$35.89M	$35.71M	$43.50M
YoY Change	-1.4%	-17.91%	0.46%
Goodwill	$28.30M	$28.30M	$28.30M
YoY Change	0.0%	0.0%	0.0%
Intangibles	$2.551M	$2.697M
YoY Change	-23.53%
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	$5.000B	$4.931B	$4.622B
YoY Change	6.27%	6.69%	10.88%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$108.0M	$106.3M	$101.3M
YoY Change	34.69%	4.91%	13.44%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$108.0M	$106.3M	$101.3M
YoY Change	34.69%	4.91%	13.44%
LONG-TERM LIABILITIES
Long-Term Debt	$79.10M	$79.06M	$78.90M
YoY Change	0.13%	0.2%	0.13%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$79.10M	$79.06M	$78.90M
YoY Change	0.13%	0.2%	0.13%
TOTAL LIABILITIES
Total Short-Term Liabilities	$108.0M	$106.3M	$101.3M
Total Long-Term Liabilities	$79.10M	$79.06M	$78.90M
Total Liabilities	$4.652B	$4.599B	$4.222B
YoY Change	8.03%	8.92%	11.23%
SHAREHOLDERS EQUITY
Retained Earnings	$119.4M	$108.9M
YoY Change	60.05%
Common Stock	$321.0M	$320.4M
YoY Change	-0.75%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$347.6M	$332.3M	$400.0M
YoY Change
Total Liabilities & Shareholders Equity	$5.000B	$4.931B	$4.622B
YoY Change	6.27%	6.69%	10.88%

Cashflow Statement

Concept	2022 Q4	2022 Q3	2021 Q3
OPERATING ACTIVITIES
Net Income	$15.09M	$17.30M	$15.96M
YoY Change	20.59%	8.36%	-18.49%
Depreciation, Depletion And Amortization	$2.487M	$2.606M	$3.000M
YoY Change	-11.18%	-13.13%	57.89%
Cash From Operating Activities	-$736.0K	$34.24M	-$10.70M
YoY Change	-101.36%	-420.03%	84.48%
INVESTING ACTIVITIES
Capital Expenditures	$1.710M	-$1.003M	-$1.400M
YoY Change	-231.54%	-28.36%	55.56%
Acquisitions
YoY Change
Other Investing Activities	-$40.52M	-$115.1M	-$70.00M
YoY Change	-75.6%	64.47%	-22.82%
Cash From Investing Activities	-$42.23M	-$116.1M	-$71.50M
YoY Change	-74.79%	62.43%	-22.03%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	46.71M	93.04M	138.5M
YoY Change	-51.9%	-32.82%	57.21%
NET CHANGE
Cash From Operating Activities	-736.0K	34.24M	-10.70M
Cash From Investing Activities	-42.23M	-116.1M	-71.50M
Cash From Financing Activities	46.71M	93.04M	138.5M
Net Change In Cash	3.739M	11.15M	56.30M
YoY Change	-123.22%	-80.2%	-698.94%
FREE CASH FLOW
Cash From Operating Activities	-$736.0K	$34.24M	-$10.70M
Capital Expenditures	$1.710M	-$1.003M	-$1.400M
Free Cash Flow	-$2.446M	$35.25M	-$9.300M
YoY Change	-104.4%	-478.99%	89.8%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Entity Central Index Key EntityCentralIndexKey	0000039311
	dei	Amendment Flag AmendmentFlag	false
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Transition Report DocumentTransitionReport	false
	ibcp	Current Expected Credit Loss Transition Method For Regulatory Purpose CurrentExpectedCreditLossTransitionMethodForRegulatoryPurpose	P3Y
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssets
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssets
CY2022Q3	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2021Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilities
	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Entity File Number EntityFileNumber	0-7818
	dei	Entity Registrant Name EntityRegistrantName	INDEPENDENT BANK CORPORATION
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MI
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	38-2032782
	dei	Entity Address Address Line1 EntityAddressAddressLine1	4200 East Beltline
	dei	Entity Address City Or Town EntityAddressCityOrTown	Grand Rapids
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MI
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	49525
	dei	City Area Code CityAreaCode	616
	dei	Local Phone Number LocalPhoneNumber	527-5820
	dei	Security12b Title Security12bTitle	Common stock, no par value
	dei	Trading Symbol TradingSymbol	IBCP
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	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
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	21065144	shares
CY2022Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	57059000	usd
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	51069000	usd
CY2022Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	13573000	usd
CY2021Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	58404000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	70632000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	109473000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	804272000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1412830000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	341129000	usd
CY2021Q4	us-gaap	Foreclosed Assets ForeclosedAssets	245000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	0	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	379429000	usd
CY2021Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	0	usd
CY2022Q3	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	17653000	usd
CY2021Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	18427000	usd
CY2022Q3	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	9091000	usd
CY2021Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	55470000	usd
CY2022Q3	ibcp	Loans Held For Sale Carried At Lower Of Cost Or Fair Value LoansHeldForSaleCarriedAtLowerOfCostOrFairValue	0	usd
CY2021Q4	ibcp	Loans Held For Sale Carried At Lower Of Cost Or Fair Value LoansHeldForSaleCarriedAtLowerOfCostOrFairValue	34811000	usd
CY2022Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	3409858000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	2905045000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	51142000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	47252000	usd
CY2022Q3	us-gaap	Notes Receivable Net NotesReceivableNet	3358716000	usd
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	2857793000	usd
CY2022Q3	us-gaap	Foreclosed Assets ForeclosedAssets	348000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	35711000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	36404000	usd
CY2022Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	55146000	usd
CY2021Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	55279000	usd
CY2022Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	43158000	usd
CY2021Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	26232000	usd
CY2022Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2697000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3336000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	28300000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	28300000	usd
CY2022Q3	us-gaap	Other Assets OtherAssets	126224000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	66140000	usd
CY2022Q3	us-gaap	Assets Assets	4931377000	usd
CY2021Q4	us-gaap	Assets Assets	4704740000	usd
CY2022Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1376765000	usd
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1321601000	usd
CY2022Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1957421000	usd
CY2021Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1897487000	usd
CY2022Q3	ibcp	Reciprocal Deposits ReciprocalDeposits	616435000	usd
CY2021Q4	ibcp	Reciprocal Deposits ReciprocalDeposits	586626000	usd
CY2022Q3	us-gaap	Interest Bearing Domestic Deposit Time Deposits InterestBearingDomesticDepositTimeDeposits	308262000	usd
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Time Deposits InterestBearingDomesticDepositTimeDeposits	308438000	usd
CY2022Q3	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	68145000	usd
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CY2022Q3	us-gaap	Deposits Deposits	4327028000	usd
CY2021Q4	us-gaap	Deposits Deposits	4117090000	usd
CY2022Q3	us-gaap	Other Borrowings OtherBorrowings	86707000	usd
CY2021Q4	us-gaap	Other Borrowings OtherBorrowings	30009000	usd
CY2022Q3	us-gaap	Subordinated Debt SubordinatedDebt	39414000	usd
CY2021Q4	us-gaap	Subordinated Debt SubordinatedDebt	39357000	usd
CY2022Q3	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	39643000	usd
CY2021Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	39592000	usd
CY2022Q3	us-gaap	Other Liabilities OtherLiabilities	106277000	usd
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	80208000	usd
CY2022Q3	us-gaap	Liabilities Liabilities	4599069000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	4306256000	usd
CY2022Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
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CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000	shares
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CY2022Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
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CY2022Q3	us-gaap	Common Stock Value CommonStockValue	320437000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	323401000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	108916000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	74582000	usd
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-97045000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	501000	usd
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	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	14831000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	10374000	usd
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	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	5584000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4525000	usd
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	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	3463000	usd
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	us-gaap	Interest Expense InterestExpense	9071000	usd
	us-gaap	Interest Expense InterestExpense	6376000	usd
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	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	108959000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	95480000	usd
CY2022Q3	ibcp	Provision For Loss Reimbursement On Sold Loans ProvisionForLossReimbursementOnSoldLoans	3145000	usd
CY2021Q3	ibcp	Provision For Loss Reimbursement On Sold Loans ProvisionForLossReimbursementOnSoldLoans	-659000	usd
	ibcp	Provision For Loss Reimbursement On Sold Loans ProvisionForLossReimbursementOnSoldLoans	3951000	usd
	ibcp	Provision For Loss Reimbursement On Sold Loans ProvisionForLossReimbursementOnSoldLoans	-2558000	usd
CY2022Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	36752000	usd
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	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	105008000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	98038000	usd
CY2022Q3	ibcp	Interchange Income InterchangeIncome	4049000	usd
CY2021Q3	ibcp	Interchange Income InterchangeIncome	4237000	usd
	ibcp	Interchange Income InterchangeIncome	10553000	usd
	ibcp	Interchange Income InterchangeIncome	10739000	usd
CY2022Q3	ibcp	Depositor Accounts Fees And Commissions DepositorAccountsFeesAndCommissions	3082000	usd
CY2021Q3	ibcp	Depositor Accounts Fees And Commissions DepositorAccountsFeesAndCommissions	2944000	usd
	ibcp	Depositor Accounts Fees And Commissions DepositorAccountsFeesAndCommissions	9135000	usd
	ibcp	Depositor Accounts Fees And Commissions DepositorAccountsFeesAndCommissions	7178000	usd
CY2022Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	2857000	usd
CY2021Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	8361000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	4945000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	30280000	usd
CY2022Q3	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	0	usd
CY2021Q3	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	5000	usd
	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	-275000	usd
	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	1421000	usd
CY2022Q3	ibcp	Mortgage Loan Servicing Income MortgageLoanServicingIncome	4283000	usd
CY2021Q3	ibcp	Mortgage Loan Servicing Income MortgageLoanServicingIncome	1271000	usd
	ibcp	Mortgage Loan Servicing Income MortgageLoanServicingIncome	18086000	usd
	ibcp	Mortgage Loan Servicing Income MortgageLoanServicingIncome	4476000	usd
CY2022Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2590000	usd
CY2021Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2877000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	7997000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	6778000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	16861000	usd
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	19695000	usd
	us-gaap	Noninterest Income NoninterestIncome	50441000	usd
	us-gaap	Noninterest Income NoninterestIncome	60872000	usd
CY2022Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	20601000	usd
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	21659000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	60613000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	60064000	usd
CY2022Q3	ibcp	Data Processing DataProcessing	2653000	usd
CY2021Q3	ibcp	Data Processing DataProcessing	3022000	usd
	ibcp	Data Processing DataProcessing	7513000	usd
	ibcp	Data Processing DataProcessing	7972000	usd
CY2022Q3	us-gaap	Occupancy Net OccupancyNet	2062000	usd
CY2021Q3	us-gaap	Occupancy Net OccupancyNet	2082000	usd
	us-gaap	Occupancy Net OccupancyNet	6682000	usd
	us-gaap	Occupancy Net OccupancyNet	6578000	usd
CY2022Q3	ibcp	Interchange Expense InterchangeExpense	927000	usd
CY2021Q3	ibcp	Interchange Expense InterchangeExpense	1202000	usd
	ibcp	Interchange Expense InterchangeExpense	3200000	usd
	ibcp	Interchange Expense InterchangeExpense	3351000	usd
CY2022Q3	us-gaap	Equipment Expense EquipmentExpense	987000	usd
CY2021Q3	us-gaap	Equipment Expense EquipmentExpense	1075000	usd
	us-gaap	Equipment Expense EquipmentExpense	3074000	usd
	us-gaap	Equipment Expense EquipmentExpense	3112000	usd
CY2022Q3	us-gaap	Communication Communication	723000	usd
CY2021Q3	us-gaap	Communication Communication	683000	usd
	us-gaap	Communication Communication	2242000	usd
	us-gaap	Communication Communication	2341000	usd
CY2022Q3	us-gaap	Advertising Expense AdvertisingExpense	772000	usd
CY2021Q3	us-gaap	Advertising Expense AdvertisingExpense	735000	usd
	us-gaap	Advertising Expense AdvertisingExpense	1978000	usd
	us-gaap	Advertising Expense AdvertisingExpense	2353000	usd
CY2022Q3	ibcp	Loan And Collection LoanAndCollection	345000	usd
CY2021Q3	ibcp	Loan And Collection LoanAndCollection	666000	usd
	ibcp	Loan And Collection LoanAndCollection	1585000	usd
	ibcp	Loan And Collection LoanAndCollection	1319000	usd
CY2022Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	591000	usd
CY2021Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	346000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1570000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	983000	usd
CY2022Q3	us-gaap	Professional Fees ProfessionalFees	573000	usd
CY2021Q3	us-gaap	Professional Fees ProfessionalFees	513000	usd
	us-gaap	Professional Fees ProfessionalFees	1545000	usd
	us-gaap	Professional Fees ProfessionalFees	1534000	usd
CY2022Q3	ibcp	Costs Recoveries Related To Unfunded Lending Commitments CostsRecoveriesRelatedToUnfundedLendingCommitments	382000	usd
CY2021Q3	ibcp	Costs Recoveries Related To Unfunded Lending Commitments CostsRecoveriesRelatedToUnfundedLendingCommitments	369000	usd
	ibcp	Costs Recoveries Related To Unfunded Lending Commitments CostsRecoveriesRelatedToUnfundedLendingCommitments	676000	usd
	ibcp	Costs Recoveries Related To Unfunded Lending Commitments CostsRecoveriesRelatedToUnfundedLendingCommitments	363000	usd
CY2022Q3	ibcp	Conversion Related Expense ConversionRelatedExpense	0	usd
CY2021Q3	ibcp	Conversion Related Expense ConversionRelatedExpense	275000	usd
	ibcp	Conversion Related Expense ConversionRelatedExpense	50000	usd
	ibcp	Conversion Related Expense ConversionRelatedExpense	1636000	usd
CY2022Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1750000	usd
CY2021Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1885000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	5522000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	5463000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	32366000	usd
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	34512000	usd
	us-gaap	Noninterest Expense NoninterestExpense	96250000	usd
	us-gaap	Noninterest Expense NoninterestExpense	97069000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	21247000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19645000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	59199000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	61841000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3950000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3683000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10934000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11454000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	17297000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	15962000	usd
	us-gaap	Net Income Loss NetIncomeLoss	48265000	usd
	us-gaap	Net Income Loss NetIncomeLoss	50387000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.82
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.74
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.29
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.32
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.81
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.27
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.30
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	17297000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	15962000	usd
	us-gaap	Net Income Loss NetIncomeLoss	48265000	usd
	us-gaap	Net Income Loss NetIncomeLoss	50387000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-16320000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-1663000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-99678000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-2282000	usd
CY2022Q3	ibcp	Oci Debt Securities Available For Sale Transfer To Held To Maturity Gain Loss Before Tax OCIDebtSecuritiesAvailableForSaleTransferToHeldToMaturityGainLossBeforeTax	0	usd
CY2021Q3	ibcp	Oci Debt Securities Available For Sale Transfer To Held To Maturity Gain Loss Before Tax OCIDebtSecuritiesAvailableForSaleTransferToHeldToMaturityGainLossBeforeTax	0	usd
	ibcp	Oci Debt Securities Available For Sale Transfer To Held To Maturity Gain Loss Before Tax OCIDebtSecuritiesAvailableForSaleTransferToHeldToMaturityGainLossBeforeTax	-26479000	usd
	ibcp	Oci Debt Securities Available For Sale Transfer To Held To Maturity Gain Loss Before Tax OCIDebtSecuritiesAvailableForSaleTransferToHeldToMaturityGainLossBeforeTax	0	usd
CY2022Q3	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	-1079000	usd
CY2021Q3	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	0	usd
	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	-2407000	usd
	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	0	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	5000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-275000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	1421000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-15241000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-1668000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-123475000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-3703000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-3199000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-350000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-25929000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-777000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-97546000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2926000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5255000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-12042000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1318000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-97546000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2926000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-12042000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1318000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	14644000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-49281000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	47461000	usd
	us-gaap	Net Income Loss NetIncomeLoss	48265000	usd
	us-gaap	Net Income Loss NetIncomeLoss	50387000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	432185000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	986440000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	10537000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	381421000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	952038000	usd
	ibcp	Provision For Loss Reimbursement On Sold Loans ProvisionForLossReimbursementOnSoldLoans	3951000	usd
	ibcp	Provision For Loss Reimbursement On Sold Loans ProvisionForLossReimbursementOnSoldLoans	-2558000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-1922000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-820000	usd
	us-gaap	Increase Decrease In Loans Deferred Income IncreaseDecreaseInLoansDeferredIncome	4899000	usd
	us-gaap	Increase Decrease In Loans Deferred Income IncreaseDecreaseInLoansDeferredIncome	5208000	usd
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8340000	usd
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	9276000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	4945000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	30280000	usd
	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	-275000	usd
	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	1421000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	1589000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	1446000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	17476000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	7582000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	9585000	usd
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	47103000	usd
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	5525000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	95368000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	55912000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	70523000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	81683000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	137605000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	306515000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	16579000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	0	usd
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	2658000	usd
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	137550000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	648113000	usd
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	774000	usd
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	0	usd
	ibcp	Net Increase Decrease Of Portfolio Loans Originated Net Of Principal Payments NetIncreaseDecreaseOfPortfolioLoansOriginatedNetOfPrincipalPayments	521282000	usd
	ibcp	Net Increase Decrease Of Portfolio Loans Originated Net Of Principal Payments NetIncreaseDecreaseOfPortfolioLoansOriginatedNetOfPrincipalPayments	142164000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	56449000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	9581000	usd
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	433000	usd
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	467000	usd
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	735000	usd
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	960000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3969000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4538000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-382361000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-395609000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	209938000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	374713000	usd
	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	36698000	usd
	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-5000	usd
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	190000000	usd
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	170000000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	13931000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	13686000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	74000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	55000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4010000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	13773000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	617000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	691000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	248152000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	346613000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-38841000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	6916000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	109473000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	118705000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	70632000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	125621000	usd
	us-gaap	Interest Paid Net InterestPaidNet	8110000	usd
	us-gaap	Interest Paid Net InterestPaidNet	5865000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	5040000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	12059000	usd
	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	624000	usd
	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	216000	usd
	ibcp	Transfer Of Securities From Available For Sale To Held To Maturity TransferOfSecuritiesFromAvailableForSaleToHeldToMaturity	391618000	usd
	ibcp	Transfer Of Securities From Available For Sale To Held To Maturity TransferOfSecuritiesFromAvailableForSaleToHeldToMaturity	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	791000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	283000	usd
	ibcp	Purchase Of Securities Available For Sale Not Yet Settled PurchaseOfSecuritiesAvailableForSaleNotYetSettled	0	usd
	ibcp	Purchase Of Securities Available For Sale Not Yet Settled PurchaseOfSecuritiesAvailableForSaleNotYetSettled	28078000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	331134000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	17297000	usd
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.22
CY2022Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	4633000	usd
CY2022Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2022Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	0	usd
CY2022Q3	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	17900	shares
CY2022Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	42000	usd
CY2022Q3	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	0	shares
CY2022Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	535000	usd
CY2022Q3	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	1666	shares
CY2022Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	25000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-12042000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	332308000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	395974000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	15962000	usd
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.21
CY2021Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	4520000	usd
CY2021Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	315345	shares
CY2021Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	6488000	usd
CY2021Q3	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	1200	shares
CY2021Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	6000	usd
CY2021Q3	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	6268	shares
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	499000	usd
CY2021Q3	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	3943	shares
CY2021Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	84000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1318000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	400031000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	398484000	usd
	us-gaap	Net Income Loss NetIncomeLoss	48265000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.66
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	13931000	usd
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	181586	shares
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	4010000	usd
	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	39532	shares
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	74000	usd
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	62856	shares
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1589000	usd
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	27884	shares
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	617000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-97546000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	332308000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	389522000	usd
	us-gaap	Net Income Loss NetIncomeLoss	50387000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.63
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	13686000	usd
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	659350	shares
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	13773000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	400031000	usd
	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	38650	shares
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	55000	usd
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	124214	shares
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1446000	usd
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	36222	shares
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	691000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2926000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	895703000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	300000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	91731000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	804272000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1404858000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	16594000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	8622000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1412830000	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	379429000	usd
CY2022Q3	ibcp	Debt Securities Held To Maturity Transfer Unrealized Loss DebtSecuritiesHeldToMaturityTransferUnrealizedLoss	24072000	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	168000	usd
CY2022Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	403669000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	5000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	62545000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	341129000	usd
CY2022Q2	ibcp	Debt Securities Available For Sale Transferred To Held To Maturity Amortized Cost Basis DebtSecuritiesAvailableForSaleTransferredToHeldToMaturityAmortizedCostBasis	418100000	usd
CY2022Q2	ibcp	Debt Securities Available For Sale Transferred To Held To Maturity Unrealized Loss Position DebtSecuritiesAvailableForSaleTransferredToHeldToMaturityUnrealizedLossPosition	26500000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	519038000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	44609000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	276062000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	47122000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	795100000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	91731000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	607923000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	8077000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	33530000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	545000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	641453000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	8622000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	4100000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	6000000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss	2100000	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	168000	usd
CY2022Q2	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	158000	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	10000	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Recovery DebtSecuritiesHeldToMaturityAllowanceForCreditLossRecovery	0	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Writeoff DebtSecuritiesHeldToMaturityAllowanceForCreditLossWriteoff	0	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	168000	usd
CY2021Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	0	usd
	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	168000	usd
	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Recovery DebtSecuritiesHeldToMaturityAllowanceForCreditLossRecovery	0	usd
	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Writeoff DebtSecuritiesHeldToMaturityAllowanceForCreditLossWriteoff	0	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	168000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	9029000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	9006000	usd
CY2022Q3	ibcp	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date Year One DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne	4856000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	4815000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	115171000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	104403000	usd
CY2022Q3	ibcp	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year One Through Five DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive	45272000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	41395000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	119192000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	100992000	usd
CY2022Q3	ibcp	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year5 Through10 DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10	116578000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	101535000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	207722000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	171911000	usd
CY2022Q3	ibcp	Held To Maturity Government Agency Residential Mortgage Backed Without Single Maturity Date Amortized Cost Basis HeldToMaturityGovernmentAgencyResidentialMortgageBackedWithoutSingleMaturityDateAmortizedCostBasis	131204000	usd
CY2022Q3	ibcp	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year10 DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10	92848000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	75991000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	451114000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	386312000	usd
CY2022Q3	ibcp	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate	259554000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue	223736000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	104029000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	93335000	usd
CY2022Q3	ibcp	Held To Maturity Government Agency Residential Mortgage Backed Debt Maturities Without Single Maturity Date Fair Value HeldToMaturityGovernmentAgencyResidentialMortgageBackedDebtMaturitiesWithoutSingleMaturityDateFairValue	106080000	usd
CY2022Q3	ibcp	Government Agency Commercial Mortgage Backed Without Single Maturity Date Amortized Cost Basis GovernmentAgencyCommercialMortgageBackedWithoutSingleMaturityDateAmortizedCostBasis	15910000	usd
CY2022Q3	ibcp	Government Agency Commercial Mortgage Backed Debt Maturities Without Single Maturity Date Fair Value GovernmentAgencyCommercialMortgageBackedDebtMaturitiesWithoutSingleMaturityDateFairValue	14334000	usd
CY2022Q3	ibcp	Held To Maturity Government Agency Commercial Mortgage Backed Without Single Maturity Date Amortized Cost Basis HeldToMaturityGovernmentAgencyCommercialMortgageBackedWithoutSingleMaturityDateAmortizedCostBasis	5239000	usd
CY2022Q3	ibcp	Held To Maturity Government Agency Commercial Mortgage Backed Debt Maturities Without Single Maturity Date Fair Value HeldToMaturityGovernmentAgencyCommercialMortgageBackedDebtMaturitiesWithoutSingleMaturityDateFairValue	4633000	usd
CY2022Q3	ibcp	Private Label Mortgage Backed Without Single Maturity Date Amortized Cost Basis PrivateLabelMortgageBackedWithoutSingleMaturityDateAmortizedCostBasis	104432000	usd
CY2022Q3	ibcp	Private Label Mortgage Backed Debt Maturities Without Single Maturity Date Fair Value PrivateLabelMortgageBackedDebtMaturitiesWithoutSingleMaturityDateFairValue	96253000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1897000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	51142000	usd
CY2022Q3	ibcp	Held To Maturity Private Label Mortgage Backed Without Single Maturity Date Amortized Cost Basis HeldToMaturityPrivateLabelMortgageBackedWithoutSingleMaturityDateAmortizedCostBasis	7672000	usd
CY2022Q3	ibcp	Held To Maturity Private Label Mortgage Backed Debt Maturities Without Single Maturity Date Fair Value HeldToMaturityPrivateLabelMortgageBackedDebtMaturitiesWithoutSingleMaturityDateFairValue	6680000	usd
CY2022Q3	ibcp	Other Asset Backed Without Single Maturity Date Amortized Cost Basis OtherAssetBackedWithoutSingleMaturityDateAmortizedCostBasis	220218000	usd
CY2022Q3	ibcp	Other Asset Backed Debt Maturities Without Single Maturity Date Fair Value OtherAssetBackedDebtMaturitiesWithoutSingleMaturityDateFairValue	214038000	usd
CY2022Q3	ibcp	Held To Maturity Other Asset Backed Without Single Maturity Date Amortized Cost Basis HeldToMaturityOtherAssetBackedWithoutSingleMaturityDateAmortizedCostBasis	0	usd
CY2022Q3	ibcp	Held To Maturity Other Asset Mortgage Backed Debt Maturities Without Single Maturity Date Fair Value HeldToMaturityOtherAssetMortgageBackedDebtMaturitiesWithoutSingleMaturityDateFairValue	0	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	895703000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	804272000	usd
CY2022Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	403669000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	341129000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	70523000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	164000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	439000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	81683000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	606000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	51142000	usd
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	45926000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1471000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	50000	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	47883000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3135000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	730000	usd
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-659000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2484000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	952000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	46799000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	47252000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3783000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2004000	usd
CY2022Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	969000	usd
CY2022Q3	ibcp	Financing Receivable Nonaccrual With Allowance For Credit Loss FinancingReceivableNonaccrualWithAllowanceForCreditLoss	2847000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35429000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-2558000	usd
	us-gaap	Financing Receivable Allowance For Credit Loss Purchased With Credit Deterioration Increase FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	134000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	3918000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1698000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	46799000	usd
	ibcp	Number Of Consecutive Timely Payments Required NumberOfConsecutiveTimelyPaymentsRequired	6	payment
CY2022Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	3816000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	usd
CY2021Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	1319000	usd
CY2021Q4	ibcp	Financing Receivable Nonaccrual With Allowance For Credit Loss FinancingReceivableNonaccrualWithAllowanceForCreditLoss	3791000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	5110000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	usd
CY2022Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	3409858000	usd
CY2022Q3	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	8477000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	2905045000	usd
CY2021Q4	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	6836000	usd
CY2022Q3	ibcp	Troubled Debt Restructuring Loans And Leases Receivable Specific Allowance TroubledDebtRestructuringLoansAndLeasesReceivableSpecificAllowance	2600000	usd
CY2021Q4	ibcp	Troubled Debt Restructuring Loans And Leases Receivable Specific Allowance TroubledDebtRestructuringLoansAndLeasesReceivableSpecificAllowance	3600000	usd
CY2022Q3	ibcp	Troubled Debt Restructuring TroubledDebtRestructuring	32344000	usd
CY2021Q4	ibcp	Troubled Debt Restructuring TroubledDebtRestructuring	37086000	usd
CY2021	ibcp	Number Of Consecutive Timely Payments Required NumberOfConsecutiveTimelyPaymentsRequired	6	payment
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	contract
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CY2021Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	200000	usd
CY2022Q3	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	600000	usd
CY2022Q3	ibcp	Allowance For Doubtful Accounts Receivable Charge Offs Due To Tdr AllowanceForDoubtfulAccountsReceivableChargeOffsDueToTDR	0	usd
	ibcp	Allowance For Doubtful Accounts Receivable Charge Offs Due To Tdr AllowanceForDoubtfulAccountsReceivableChargeOffsDueToTDR	0	usd
CY2021Q3	ibcp	Allowance For Doubtful Accounts Receivable Charge Offs Due To Tdr AllowanceForDoubtfulAccountsReceivableChargeOffsDueToTDR	0	usd
	ibcp	Allowance For Doubtful Accounts Receivable Charge Offs Due To Tdr AllowanceForDoubtfulAccountsReceivableChargeOffsDueToTDR	0	usd
	ibcp	Past Due Period For Modified Loans PastDuePeriodForModifiedLoans	P90D
CY2022Q3	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	300000	usd
CY2021Q4	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	600000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	17297000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	15962000	usd
	us-gaap	Net Income Loss NetIncomeLoss	48265000	usd
	us-gaap	Net Income Loss NetIncomeLoss	50387000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21058000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21516000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21106000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21696000	shares
CY2022Q3	ibcp	Stock Units For Deferred Compensation Plan For Non Employee Directors StockUnitsForDeferredCompensationPlanForNonEmployeeDirectors	139000	shares
CY2021Q3	ibcp	Stock Units For Deferred Compensation Plan For Non Employee Directors StockUnitsForDeferredCompensationPlanForNonEmployeeDirectors	118000	shares
	ibcp	Stock Units For Deferred Compensation Plan For Non Employee Directors StockUnitsForDeferredCompensationPlanForNonEmployeeDirectors	134000	shares
	ibcp	Stock Units For Deferred Compensation Plan For Non Employee Directors StockUnitsForDeferredCompensationPlanForNonEmployeeDirectors	119000	shares
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	30000	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	60000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	43000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	71000	shares
CY2022Q3	ibcp	Weighted Average Number Of Performance Shares Stock WeightedAverageNumberOfPerformanceSharesStock	25000	shares
CY2021Q3	ibcp	Weighted Average Number Of Performance Shares Stock WeightedAverageNumberOfPerformanceSharesStock	32000	shares
	ibcp	Weighted Average Number Of Performance Shares Stock WeightedAverageNumberOfPerformanceSharesStock	23000	shares
	ibcp	Weighted Average Number Of Performance Shares Stock WeightedAverageNumberOfPerformanceSharesStock	32000	shares
CY2022Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	21252000	shares
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	21726000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	21306000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	21918000	shares
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.82
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.74
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.29
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.32
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.81
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.27
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.30
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	43841000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	12283000	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	24932000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	5961000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	11916000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	9219000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	11916000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	8580000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	28300000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	28300000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	146000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	547000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	516000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	487000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	460000	usd
CY2022Q3	ibcp	Finite Lived Intangible Assets Amortization Expense After Year Four FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour	541000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	2697000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	600000	shares
CY2022Q3	us-gaap	Banking Regulation Capital Conservation Buffer Capital Conserved Minimum BankingRegulationCapitalConservationBufferCapitalConservedMinimum	0.0250
CY2022Q3	ibcp	Shares Issued On Deferral Basis Credited Percentage Of Current Value SharesIssuedOnDeferralBasisCreditedPercentageOfCurrentValue	0.90
CY2022Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	2800000	usd
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y10M24D
	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	140000	usd
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	3000.000	usd
	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	168000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4000000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3700000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10900000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11500000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	60000.00	usd
CY2022Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	200000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	200000	usd
CY2022Q3	ibcp	Retained Earnings Accumulated Deficit Subsidiary RetainedEarningsAccumulatedDeficitSubsidiary	127000000	usd
CY2021Q4	us-gaap	Banking Regulation Capital Conservation Buffer Capital Conserved Minimum BankingRegulationCapitalConservationBufferCapitalConservedMinimum	0.0250
	ibcp	Loans Held For Sale Unrealized Gain Loss LoansHeldForSaleUnrealizedGainLoss	-1518000	usd
	ibcp	Servicing Asset Unrealized Gain Loss ServicingAssetUnrealizedGainLoss	11689000	usd
	ibcp	Loans Held For Sale Unrealized Gain Loss LoansHeldForSaleUnrealizedGainLoss	-2299000	usd
	ibcp	Servicing Asset Unrealized Gain Loss ServicingAssetUnrealizedGainLoss	-1333000	usd
CY2022Q3	ibcp	Collateral Dependent Loans Carrying Amount CollateralDependentLoansCarryingAmount	1400000	usd
CY2022Q3	ibcp	Collateral Dependent Loans Valuation Allowance CollateralDependentLoansValuationAllowance	700000	usd
CY2021Q4	ibcp	Collateral Dependent Loans Carrying Amount CollateralDependentLoansCarryingAmount	1400000	usd
CY2021Q4	ibcp	Collateral Dependent Loans Valuation Allowance CollateralDependentLoansValuationAllowance	600000	usd
CY2022Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	300000	usd
CY2021Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	200000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	400000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	200000	usd
CY2021Q4	ibcp	Other Real Estate Impaired Net Reserves OtherRealEstateImpairedNetReserves	0	usd
CY2021Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	30000.00	usd
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2022Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2021Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2022Q3	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-12042000	usd
CY2022Q3	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	9091000	usd
CY2022Q3	us-gaap	Fair Value Option Aggregate Differences Loans And Long Term Receivables FairValueOptionAggregateDifferencesLoansAndLongTermReceivables	-467000	usd
CY2022Q3	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	9558000	usd
CY2021Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	55470000	usd
CY2021Q4	us-gaap	Fair Value Option Aggregate Differences Loans And Long Term Receivables FairValueOptionAggregateDifferencesLoansAndLongTermReceivables	1051000	usd
CY2021Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	54419000	usd
CY2022Q3	ibcp	Reciprocal Deposits Included In Deposits With No Stated Maturity ReciprocalDepositsIncludedInDepositsWithNoStatedMaturity	585707000	usd
CY2021Q4	ibcp	Reciprocal Deposits Included In Deposits With No Stated Maturity ReciprocalDepositsIncludedInDepositsWithNoStatedMaturity	562210000	usd
CY2022Q3	ibcp	Reciprocal Deposits Included In Deposits With Stated Maturity ReciprocalDepositsIncludedInDepositsWithStatedMaturity	30728000	usd
CY2021Q4	ibcp	Reciprocal Deposits Included In Deposits With Stated Maturity ReciprocalDepositsIncludedInDepositsWithStatedMaturity	24416000	usd
CY2022Q3	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-12042000	usd
CY2021Q3	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-1322000	usd
CY2021Q3	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-4000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1318000	usd
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-97329000	usd
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	217000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-97546000	usd
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-4049000	usd
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-1123000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2926000	usd
	ibcp	Percentage Of Revenue Excluded From Asu201409 PercentageOfRevenueExcludedFromASU201409	0.837
	ibcp	Percentage Of Revenue Excluded From Asu201409 PercentageOfRevenueExcludedFromASU201409	0.851
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	0	usd
CY2022Q3	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	0	usd
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	0	usd
CY2022Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	0	usd
CY2021Q3	ibcp	Number Of Real Estate Assets Sold NumberOfRealEstateAssetsSold	0	asset
CY2022Q3	ibcp	Number Of Real Estate Assets Sold NumberOfRealEstateAssetsSold	0	asset
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	8524000	usd
CY2022Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	59000	usd
CY2022Q3	ibcp	Noninterest Income Other Operating Income Other NoninterestIncomeOtherOperatingIncomeOther	1138000	usd
CY2022Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2590000	usd
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	8461000	usd
CY2021Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	145000	usd
CY2021Q3	ibcp	Noninterest Income Other Operating Income Other NoninterestIncomeOtherOperatingIncomeOther	1452000	usd
CY2021Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2877000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	23748000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	302000	usd
	ibcp	Noninterest Income Other Operating Income Other NoninterestIncomeOtherOperatingIncomeOther	3635000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	7997000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	21437000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	411000	usd
	ibcp	Noninterest Income Other Operating Income Other NoninterestIncomeOtherOperatingIncomeOther	2847000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	6778000	usd
CY2022Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	410000	usd
CY2021Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	424000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	1233000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	1259000	usd
CY2022Q3	us-gaap	Variable Lease Cost VariableLeaseCost	25000	usd
CY2021Q3	us-gaap	Variable Lease Cost VariableLeaseCost	15000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	66000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	46000	usd
CY2022Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	20000	usd
CY2021Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	17000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	57000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	47000	usd
CY2022Q3	us-gaap	Lease Cost LeaseCost	455000	usd
CY2021Q3	us-gaap	Lease Cost LeaseCost	456000	usd
	us-gaap	Lease Cost LeaseCost	1356000	usd
	us-gaap	Lease Cost LeaseCost	1352000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	6082000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	6481000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	6173000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	6602000	usd
CY2022Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y11M15D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y6M
CY2022Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.024
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.023
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	428000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1527000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1026000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	970000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	801000	usd
CY2022Q3	ibcp	Lessee Operating Lease Liability Payments Due After Year Four LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour	1832000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	6584000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	411000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	6173000	usd

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Financial_Report.xlsx	Edgar Link	pending
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$IBCP
INDEPENDENT BANK CORP /MI/ Stock $ibcp

2022 Q4 Form 10-Q Financial Statement

#000003931122000060 Filed on November 04, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IBCP INDEPENDENT BANK CORP /MI/ Stock $ibcp

2022 Q4 Form 10-Q Financial Statement

#000003931122000060 Filed on November 04, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IBCP
INDEPENDENT BANK CORP /MI/ Stock $ibcp