$IROQ
IF Bancorp, Inc. Stock $iroq

$iroq Overview Financials Valuation SEC Filings Company Website

2018 Q2 Form 10-K Financial Statement

#000119312519243630 Filed on September 12, 2019

Income Statement

Concept	2018 Q2	2018	2017 Q2
Revenue		$22.79M
YoY Change		6.82%
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	$100.0K	$468.0K	$10.00K
YoY Change	900.0%	44.44%	-90.91%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$5.289M
YoY Change		46.23%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$730.0K	$4.463M	$930.0K
YoY Change	-21.51%	-27.93%	-44.97%
Income Tax	$210.0K	$2.725M	$330.0K
% Of Pretax Income	28.77%	61.06%	35.48%
Net Earnings	$500.0K	$1.738M	$600.0K
YoY Change	-16.67%	-55.65%	-43.93%
Net Earnings / Revenue		7.62%
Basic Earnings Per Share		$0.47
Diluted Earnings Per Share	$131.9K	$0.47	$162.2K
COMMON SHARES
Basic Shares Outstanding	3.871M shares	3.659M	3.940M shares
Diluted Shares Outstanding		3.699M

Balance Sheet

Concept	2018 Q2	2018	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$4.754M		$7.766M
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	$10.23M	$10.20M	$5.840M
YoY Change	75.1%	75.86%	27.34%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$4.000M	$4.000M	$3.700M
YoY Change	8.11%	8.11%	117.65%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$638.9M	$638.9M	$585.5M
YoY Change	9.13%	9.12%	-1.69%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$500.0K	$500.0K	$800.0K
YoY Change	-37.5%	-37.5%	-20.0%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$2.300M	$2.300M	$2.200M
YoY Change	4.55%	4.55%	-50.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$500.0K	$500.0K	$800.0K
YoY Change	-37.5%	-37.5%	-20.0%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$6.500M	$6.500M	$5.900M
YoY Change	10.17%	10.17%	7.27%
Total Long-Term Liabilities	$6.500M	$6.500M	$5.900M
YoY Change	10.17%	10.17%	7.27%
TOTAL LIABILITIES
Total Short-Term Liabilities	$500.0K	$500.0K	$800.0K
Total Long-Term Liabilities	$6.500M	$6.500M	$5.900M
Total Liabilities	$557.2M	$557.2M	$501.5M
YoY Change	11.12%	11.11%	-1.97%
SHAREHOLDERS EQUITY
Retained Earnings	$38.89M		$39.05M
YoY Change	-0.43%		5.27%
Common Stock	$48.40M		$47.98M
YoY Change	0.88%		0.85%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$81.68M	$81.70M	$83.97M
YoY Change
Total Liabilities & Shareholders Equity	$638.9M	$638.9M	$585.5M
YoY Change	9.13%	9.12%	-1.69%

Cashflow Statement

Concept	2018 Q2	2018	2017 Q2
OPERATING ACTIVITIES
Net Income	$500.0K	$1.738M	$600.0K
YoY Change	-16.67%	-55.65%	-43.93%
Depreciation, Depletion And Amortization	$100.0K	$468.0K	$10.00K
YoY Change	900.0%	44.44%	-90.91%
Cash From Operating Activities	$3.260M	$4.838M	$1.090M
YoY Change	199.08%	-21.26%	13.54%
INVESTING ACTIVITIES
Capital Expenditures	-$930.0K	$4.854M	-$970.0K
YoY Change	-4.12%	188.59%	2325.0%
Acquisitions
YoY Change
Other Investing Activities	-$25.63M	-$55.81M	-$2.610M
YoY Change	881.99%	-702.05%	-83.94%
Cash From Investing Activities	-$26.58M	-$60.67M	-$3.570M
YoY Change	644.54%	-899.74%	-78.1%
FINANCING ACTIVITIES
Cash Dividend Paid		$730.0K
YoY Change		23.94%
Common Stock Issuance & Retirement, Net		$1.380M
YoY Change		0.36%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	18.10M	52.82M	-6.530M
YoY Change	-377.18%	-525.51%	-169.76%
NET CHANGE
Cash From Operating Activities	3.260M	4.838M	1.090M
Cash From Investing Activities	-26.58M	-60.67M	-3.570M
Cash From Financing Activities	18.10M	52.82M	-6.530M
Net Change In Cash	-5.220M	-3.012M	-9.010M
YoY Change	-42.06%	-328.7%	50.67%
FREE CASH FLOW
Cash From Operating Activities	$3.260M	$4.838M	$1.090M
Capital Expenditures	-$930.0K	$4.854M	-$970.0K
Free Cash Flow	$4.190M	-$16.00K	$2.060M
YoY Change	103.4%	-100.36%	106.0%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2019Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	57994000
CY2018Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	4240000
CY2019Q2	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	1606000
CY2018Q2	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	514000
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	10706000
CY2018Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	10226000
CY2019Q2	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	778000
CY2018Q2	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	219000
CY2019Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	9072000
CY2018Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	8803000
CY2019Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2066000
CY2018Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	4003000
CY2019Q2	us-gaap	Other Assets OtherAssets	414000
CY2018Q2	us-gaap	Other Assets OtherAssets	720000
CY2019Q2	us-gaap	Assets Assets	723870000
CY2018Q2	us-gaap	Assets Assets	638923000
CY2019Q2	us-gaap	Demand Deposit Accounts DemandDepositAccounts	80442000
CY2018Q2	us-gaap	Demand Deposit Accounts DemandDepositAccounts	21350000
CY2019Q2	iroq	Deposits Savings Negotiable Order Of Withdrawal Now And Money Market Deposits DepositsSavingsNegotiableOrderOfWithdrawalNowAndMoneyMarketDeposits	196296000
CY2018Q2	iroq	Deposits Savings Negotiable Order Of Withdrawal Now And Money Market Deposits DepositsSavingsNegotiableOrderOfWithdrawalNowAndMoneyMarketDeposits	195491000
CY2019Q2	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	290761000
CY2018Q2	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	229236000
CY2019Q2	iroq	Brokered Certificates Of Deposit BrokeredCertificatesOfDeposit	39524000
CY2018Q2	iroq	Brokered Certificates Of Deposit BrokeredCertificatesOfDeposit	34344000
CY2019Q2	us-gaap	Deposits Deposits	607023000
CY2018Q2	us-gaap	Deposits Deposits	480421000
CY2019Q2	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Current And Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent	2919000
CY2018Q2	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Current And Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent	2770000
CY2019Q2	us-gaap	Other Liabilities OtherLiabilities	3904000
CY2018Q2	us-gaap	Other Liabilities OtherLiabilities	3779000
CY2019Q2	us-gaap	Liabilities Liabilities	641409000
CY2018Q2	us-gaap	Liabilities Liabilities	557248000
CY2019Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2018Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2019Q2	us-gaap	Common Stock Value CommonStockValue	36000
CY2018Q2	us-gaap	Common Stock Value CommonStockValue	39000
CY2019Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	48813000
CY2018Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	48361000
CY2019Q2	us-gaap	Unearned Esop Shares UnearnedESOPShares	2309000
CY2018Q2	us-gaap	Unearned Esop Shares UnearnedESOPShares	2502000
CY2019Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	35356000
CY2018Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	38885000
CY2019Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	723870000
CY2018Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	638923000
CY2019Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	6328000
CY2018Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	5945000
CY2019Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	7345000
CY2018Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	6717000
CY2019Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019	iroq	Accrual Of Interest On Loans Due Discontinued Period AccrualOfInterestOnLoansDueDiscontinuedPeriod	P90D
CY2019Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2018Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2019Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3578252
CY2018Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3871408
CY2019Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3578252
CY2018Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3871408
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	iroq	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	1300000
CY2019	iroq	Cash And Cash Equivalents Maximum Original Maturity Period CashAndCashEquivalentsMaximumOriginalMaturityPeriod	P3M
CY2019	iroq	Interest Bearing Deposits Maturity Period InterestBearingDepositsMaturityPeriod	P5Y
CY2019	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	22833000
CY2018	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	19616000
CY2019	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	3341000
CY2018	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2818000
CY2019	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	122000
CY2018	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	135000
CY2019	iroq	Federal Home Loan Bank Dividends FederalHomeLoanBankDividends	150000
CY2018	iroq	Federal Home Loan Bank Dividends FederalHomeLoanBankDividends	96000
CY2019	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	279000
CY2018	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	129000
CY2019	us-gaap	Interest Expense Deposits InterestExpenseDeposits	7317000
CY2018	us-gaap	Interest Expense Deposits InterestExpenseDeposits	4450000
CY2019	iroq	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvances	1537000
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	2000000
CY2018	iroq	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvances	839000
CY2019	us-gaap	Interest Expense InterestExpense	8854000
CY2018	us-gaap	Interest Expense InterestExpense	5289000
CY2019	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	660000
CY2018	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	599000
CY2019	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	981000
CY2018	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	875000
CY2019	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	236000
CY2018	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	388000
CY2019	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	343000
CY2018	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	232000
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	10644000
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	9732000
CY2019	us-gaap	Occupancy Net OccupancyNet	887000
CY2018	us-gaap	Occupancy Net OccupancyNet	761000
CY2019	us-gaap	Equipment Expense EquipmentExpense	1377000
CY2018	us-gaap	Equipment Expense EquipmentExpense	1283000
CY2019	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	169000
CY2018	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	171000
CY2019	us-gaap	Noninterest Expense Printing And Fulfillment NoninterestExpensePrintingAndFulfillment	107000
CY2018	us-gaap	Noninterest Expense Printing And Fulfillment NoninterestExpensePrintingAndFulfillment	156000
CY2019	us-gaap	Advertising Expense AdvertisingExpense	503000
CY2018	us-gaap	Advertising Expense AdvertisingExpense	474000
CY2019	us-gaap	Professional Fees ProfessionalFees	355000
CY2018	us-gaap	Professional Fees ProfessionalFees	352000
CY2019	iroq	Supervisory Examinations SupervisoryExaminations	165000
CY2018	iroq	Supervisory Examinations SupervisoryExaminations	165000
CY2019	iroq	Audit And Accounting Services AuditAndAccountingServices	138000
CY2018	iroq	Audit And Accounting Services AuditAndAccountingServices	141000
CY2019	iroq	Organizational Dues And Subscriptions OrganizationalDuesAndSubscriptions	44000
CY2018	iroq	Organizational Dues And Subscriptions OrganizationalDuesAndSubscriptions	55000
CY2019	iroq	Insurance Bond Premiums InsuranceBondPremiums	150000
CY2018	iroq	Insurance Bond Premiums InsuranceBondPremiums	148000
CY2019	iroq	Telephone And Postage TelephoneAndPostage	223000
CY2018	iroq	Telephone And Postage TelephoneAndPostage	265000
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2013000
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2653000
CY2019	us-gaap	Noninterest Expense NoninterestExpense	16775000
CY2018	us-gaap	Noninterest Expense NoninterestExpense	16356000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.02
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.47
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.47
CY2019Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	144905000
CY2019Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1723000
CY2019Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	337000
CY2019Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	146291000
CY2018Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	130236000
CY2018Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	168000
CY2018Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4408000
CY2018Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	125996000
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1150000
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1173000
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	1999000
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	14057000
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	14523000
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	3084000
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	3085000
CY2019Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	20290000
CY2019Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	20781000
CY2019Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	16097000
CY2019Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	73000
CY2019Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	264000
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	75019000
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2275000
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2133000
CY2019Q2	iroq	Debt Securities Greater Than Stated Percentage Of Equity Securities DebtSecuritiesGreaterThanStatedPercentageOfEquitySecurities	0.10
CY2019Q2	iroq	Temporarily Impaired Debt Securities Percentage Of Investment Securities Portfolio TemporarilyImpairedDebtSecuritiesPercentageOfInvestmentSecuritiesPortfolio	0.32
CY2018Q2	iroq	Temporarily Impaired Debt Securities Percentage Of Investment Securities Portfolio TemporarilyImpairedDebtSecuritiesPercentageOfInvestmentSecuritiesPortfolio	0.95
CY2019Q2	us-gaap	Land Land	1976000
CY2018Q2	us-gaap	Land Land	1976000
CY2019Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	11319000
CY2018Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	10932000
CY2019Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	4756000
CY2018Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	4035000
CY2019Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	18051000
CY2018Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	16943000
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	3777000
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CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	8000
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	9000
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	3769000
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2623000
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	96000
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-88000
CY2019	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	1860000
CY2017Q2	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	710000
CY2019	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	144000
CY2018	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	164000
CY2019	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	-112000
CY2018	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	-102000
CY2019	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-45000
CY2018	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	94000
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	3000
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	4000
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	18000
CY2019	iroq	Unpaid Principal Balances Of Mortgage Loans Serviced For Others UnpaidPrincipalBalancesOfMortgageLoansServicedForOthers	99021000
CY2018	iroq	Unpaid Principal Balances Of Mortgage Loans Serviced For Others UnpaidPrincipalBalancesOfMortgageLoansServicedForOthers	95825000
CY2019Q2	us-gaap	Escrow Deposit EscrowDeposit	652000
CY2018Q2	us-gaap	Escrow Deposit EscrowDeposit	408000
CY2017Q2	us-gaap	Stockholders Equity StockholdersEquity	83969000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2535000
CY2018	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	730000
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	225000
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1380000
CY2018	iroq	Esop Shares Earned EsopSharesEarned	388000
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	81675000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3673000
CY2019	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	868000
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	225000
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	6222000
CY2019	iroq	Esop Shares Earned EsopSharesEarned	420000
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	82461000
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
CY2018	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	69000
CY2018	iroq	Stock Repurchased During Period Average Cost Per Share StockRepurchasedDuringPeriodAverageCostPerShare	20.00
CY2019	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	293156
CY2019	iroq	Stock Repurchased During Period Average Cost Per Share StockRepurchasedDuringPeriodAverageCostPerShare	21.22
CY2018	iroq	Esop Shares Earned Shares ESOPSharesEarnedShares	19245
CY2019	iroq	Esop Shares Earned Shares ESOPSharesEarnedShares	19245
CY2019	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	1574000
CY2018	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	1021000
CY2019	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	4954000
CY2018	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	2873000
CY2019	iroq	Interest Expense Deposit Type Brokered Certificates Of Deposit InterestExpenseDepositTypeBrokeredCertificatesOfDeposit	789000
CY2018	iroq	Interest Expense Deposit Type Brokered Certificates Of Deposit InterestExpenseDepositTypeBrokeredCertificatesOfDeposit	556000
CY2019Q2	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	210936000
CY2019Q2	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	99154000
CY2019Q2	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	13986000
CY2019Q2	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	5211000
CY2019Q2	iroq	Time Deposit Maturities Year Five And Thereafter TimeDepositMaturitiesYearFiveAndThereafter	998000
CY2019Q2	us-gaap	Time Deposits TimeDeposits	330285000
CY2019Q2	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	260311000
CY2018Q2	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	218149000
CY2019Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate
CY2019Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	4000000
CY2019Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate
CY2019Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	10000000
CY2019Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	10000000
CY2019Q2	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate
CY2019	us-gaap	Depreciation Depreciation	628000
CY2018	us-gaap	Depreciation Depreciation	468000
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	407000
CY2018	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	777000
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-83000
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-157000
CY2019	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	343000
CY2018	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	232000
CY2019	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	11000
CY2018	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	13000
CY2019	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	3000
CY2018	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-24000
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	269000
CY2018	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	377000
CY2019	us-gaap	Payments To Purchase Loans Held For Sale PaymentsToPurchaseLoansHeldForSale	16836000
CY2018	us-gaap	Payments To Purchase Loans Held For Sale PaymentsToPurchaseLoansHeldForSale	17811000
CY2019	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	17082000
CY2018	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	17867000
CY2019	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	420000
CY2018	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	388000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	225000
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	225000
CY2019	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	321000
CY2018	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	282000
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-306000
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	300000
CY2019	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	613000
CY2018	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	133000
CY2019	us-gaap	Increase Decrease In Postretirement Obligations IncreaseDecreaseInPostretirementObligations	57000
CY2018	us-gaap	Increase Decrease In Postretirement Obligations IncreaseDecreaseInPostretirementObligations	-34000
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	125000
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	786000
CY2019	iroq	Net Change In Interest Bearing Time Deposits NetChangeInInterestBearingTimeDeposits	-1250000
CY2019	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	42148000
CY2018	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	39230000
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	6852000
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	5966000
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	20555000
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	14524000
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	17950000
CY2018	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	37094000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1108000
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4854000
CY2019	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	5803000
CY2018	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	365000
CY2019	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	1440000
CY2018	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	2408000
CY2019	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	3551000
CY2018	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	1666000
CY2018	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	397000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-27135000
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-60668000
CY2019	iroq	Net Increase Decrease In Demand Deposits Money Market Now And Savings Accounts NetIncreaseDecreaseInDemandDepositsMoneyMarketNowAndSavingsAccounts	59897000
CY2018	iroq	Net Increase Decrease In Demand Deposits Money Market Now And Savings Accounts NetIncreaseDecreaseInDemandDepositsMoneyMarketNowAndSavingsAccounts	25488000
CY2019	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	66705000
CY2018	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	15787000
CY2019	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	438000
CY2018	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	-445000
CY2019	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	111500000
CY2018	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	140000000
CY2019	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	155000000
CY2018	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	126000000
CY2019	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-266000
CY2018	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	98000
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	868000
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	730000
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6222000
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1380000
CY2017Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7766000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	8241000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	5156000
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	365000
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2094000
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	6359000
CY2018	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	179000
CY2019Q2	iroq	Mortgage Loans Secured For Federal Home Loan Banks Advances MortgageLoansSecuredForFederalHomeLoanBanksAdvances	321046000
CY2019	iroq	Securities Sold Under Repurchase Agreements Maximum Balance SecuritiesSoldUnderRepurchaseAgreementsMaximumBalance	2840000
CY2018	iroq	Securities Sold Under Repurchase Agreements Maximum Balance SecuritiesSoldUnderRepurchaseAgreementsMaximumBalance	2980000
CY2019	iroq	Securities Sold Under Repurchase Agreements Average Balance SecuritiesSoldUnderRepurchaseAgreementsAverageBalance	2400000
CY2018	iroq	Securities Sold Under Repurchase Agreements Average Balance SecuritiesSoldUnderRepurchaseAgreementsAverageBalance	2623000
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1019000
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1232000
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	26000
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	37000
CY2019	iroq	Income Tax Reconciliation Cash Surrender Value Life Insurance IncomeTaxReconciliationCashSurrenderValueLifeInsurance	56000
CY2018	iroq	Income Tax Reconciliation Cash Surrender Value Life Insurance IncomeTaxReconciliationCashSurrenderValueLifeInsurance	104000
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	329000
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	270000
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	1318000
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	27000
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	46000
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.267
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.611
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.276
CY2019Q2	iroq	Commitments Outstanding Amount CommitmentsOutstandingAmount	5430000
CY2018Q2	iroq	Commitments Outstanding Amount CommitmentsOutstandingAmount	9246000
CY2019	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	2959000
CY2018	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	8890000
CY2019Q2	iroq	Weighted Average Interest Rates For Fixedrate Loan Commitments WeightedAverageInterestRatesForFixedrateLoanCommitments	0.0503
CY2018Q2	iroq	Weighted Average Interest Rates For Fixedrate Loan Commitments WeightedAverageInterestRatesForFixedrateLoanCommitments	0.0529
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	1802000
CY2018Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	1695000
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	651000
CY2018Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	602000
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	422000
CY2018Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	378000
CY2019Q2	iroq	Deferred Tax Assets Tax Deferred Loan Fees DeferredTaxAssetsTaxDeferredLoanFees	83000
CY2018Q2	iroq	Deferred Tax Assets Tax Deferred Loan Fees DeferredTaxAssetsTaxDeferredLoanFees	114000
CY2019Q2	iroq	Deferred Tax Assets Tax Postretirement Health Plan DeferredTaxAssetsTaxPostretirementHealthPlan	170000
CY2018Q2	iroq	Deferred Tax Assets Tax Postretirement Health Plan DeferredTaxAssetsTaxPostretirementHealthPlan	174000
CY2018Q2	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	1462000
CY2019Q2	iroq	Deferred Tax Assets Accrued Vacation DeferredTaxAssetsAccruedVacation	46000
CY2018Q2	iroq	Deferred Tax Assets Accrued Vacation DeferredTaxAssetsAccruedVacation	40000
CY2019Q2	iroq	Deferred Tax Assets Tax Deferred Expense Mortgage Partnership Finance Recourse Liability DeferredTaxAssetsTaxDeferredExpenseMortgagePartnershipFinanceRecourseLiability	66000
CY2018Q2	iroq	Deferred Tax Assets Tax Deferred Expense Mortgage Partnership Finance Recourse Liability DeferredTaxAssetsTaxDeferredExpenseMortgagePartnershipFinanceRecourseLiability	53000
CY2019Q2	iroq	Deferred Tax Assets Tax Deferred Revenue Mastercard DeferredTaxAssetsTaxDeferredRevenueMastercard	27000
CY2018Q2	iroq	Deferred Tax Assets Tax Deferred Revenue Mastercard DeferredTaxAssetsTaxDeferredRevenueMastercard	30000
CY2019Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	12000
CY2018Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	28000
CY2019Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	426000
CY2018Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	198000
CY2019Q2	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	243000
CY2018Q2	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	247000
CY2019Q2	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	182000
CY2018Q2	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	160000
CY2019Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	9000
CY2018Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2000
CY2019	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	3716924
CY2018	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	3918676
CY2019	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	240563
CY2019Q1	iroq	Tier One Risk Based Capital To Risk Weighted Assets Conservation Buffer TierOneRiskBasedCapitalToRiskWeightedAssetsConservationBuffer	0.025
CY2018	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	259808
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3476361
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3658868
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	53856
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	39716
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	3530217
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	3698584
CY2019Q2	iroq	Retained Earnings Excluding Deferred Federal Income Tax Liability RetainedEarningsExcludingDeferredFederalIncomeTaxLiability	2217000
CY2018Q2	iroq	Retained Earnings Excluding Deferred Federal Income Tax Liability RetainedEarningsExcludingDeferredFederalIncomeTaxLiability	2217000
CY2019Q2	iroq	Amount Deferred Income Tax Liabilities Expected To Reverse Into Taxable Income AmountDeferredIncomeTaxLiabilitiesExpectedToReverseIntoTaxableIncome	466000
CY2018Q2	iroq	Amount Deferred Income Tax Liabilities Expected To Reverse Into Taxable Income AmountDeferredIncomeTaxLiabilitiesExpectedToReverseIntoTaxableIncome	466000
CY2018Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	290356
CY2018Q4	iroq	Stock Repurchase Program Percentage Of Outstanding Shares Authorized To Be Repurchased StockRepurchaseProgramPercentageOfOutstandingSharesAuthorizedToBeRepurchased	0.075
CY2019Q2	us-gaap	Aoci Before Tax Attributable To Parent AociBeforeTaxAttributableToParent	790000
CY2018Q2	us-gaap	Aoci Before Tax Attributable To Parent AociBeforeTaxAttributableToParent	-4744000
CY2019Q2	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	225000
CY2018Q2	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	-1636000
CY2019Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	565000
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3108000
CY2019Q2	iroq	Loans Receivable Gross One To Four Family Including Home Equity Loans LoansReceivableGrossOneToFourFamilyIncludingHomeEquityLoans	129290000
CY2018Q2	iroq	Loans Receivable Gross One To Four Family Including Home Equity Loans LoansReceivableGrossOneToFourFamilyIncludingHomeEquityLoans	134977000
CY2019Q2	iroq	Loans Receivable Gross Multi Family LoansReceivableGrossMultiFamily	104663000
CY2018Q2	iroq	Loans Receivable Gross Multi Family LoansReceivableGrossMultiFamily	107436000
CY2019Q2	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	143367000
CY2018Q2	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	140944000
CY2019Q2	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	8938000
CY2018Q2	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	9058000
CY2019Q2	iroq	Real Estate Construction Loans RealEstateConstructionLoans	16113000
CY2018Q2	iroq	Real Estate Construction Loans RealEstateConstructionLoans	13763000
CY2019Q2	us-gaap	Loans Receivable Commercial Financial And Agricultural LoansReceivableCommercialFinancialAndAgricultural	84246000
CY2018Q2	us-gaap	Loans Receivable Commercial Financial And Agricultural LoansReceivableCommercialFinancialAndAgricultural	68720000
CY2019Q2	us-gaap	Loans And Leases Receivable Consumer Installment Durable Goods LoansAndLeasesReceivableConsumerInstallmentDurableGoods	7136000
CY2018Q2	us-gaap	Loans And Leases Receivable Consumer Installment Durable Goods LoansAndLeasesReceivableConsumerInstallmentDurableGoods	7366000
CY2019Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	493753000
CY2018Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	482264000
CY2019Q2	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	-349000
CY2018Q2	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	-161000
CY2019Q2	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	89526
CY2019Q2	iroq	Stock Repurchase Program Percentage Of Outstanding Shares Authorized To Be Repurchased StockRepurchaseProgramPercentageOfOutstandingSharesAuthorizedToBeRepurchased	0.025
CY2019	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	-407000
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	50000
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	26000
CY2019Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	23000
CY2019Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	6305000
CY2019Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1851000
CY2019Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	491902000
CY2017Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	6835000
CY2018	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	-777000
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1676000
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	9000
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	3000
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	5942000
CY2018Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	9342000
CY2018Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	472922000
CY2019Q2	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	853000
CY2018Q2	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	866000
CY2019Q2	iroq	Maximum Asset Value Required To Be Maintained Leverage Ratio MaximumAssetValueRequiredToBeMaintainedLeverageRatio	10000000000
CY2019Q2	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	3290000
CY2019Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	490463000
CY2019Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	226000
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	8935000
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	473329000
CY2018Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	294000
CY2019Q2	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	1851000
CY2019Q2	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	1851000
CY2019Q2	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	23000
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	1922000
CY2019	iroq	Impaired Financing Receivable Interest Income Loss Accrual Method ImpairedFinancingReceivableInterestIncomeLossAccrualMethod	74000
CY2019	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	83000
CY2018Q2	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	9342000
CY2018Q2	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	9342000
CY2018Q2	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	3000
CY2018	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	10278000
CY2018	iroq	Impaired Financing Receivable Interest Income Loss Accrual Method ImpairedFinancingReceivableInterestIncomeLossAccrualMethod	142000
CY2018	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	144000
CY2019Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	59600000
CY2019Q2	iroq	Interest Bearing Time Deposits In Banks InterestBearingTimeDepositsInBanks	3000000
CY2019Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	487774000
CY2019Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	1174000
CY2019Q2	us-gaap	Interest Receivable InterestReceivable	2142000
CY2019Q2	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	2015000
CY2019Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	747000
CY2019Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	801000
CY2018Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4754000
CY2018Q2	iroq	Interest Bearing Time Deposits In Banks InterestBearingTimeDepositsInBanks	1750000
CY2018Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	476480000
CY2018Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	3285000
CY2018Q2	us-gaap	Interest Receivable InterestReceivable	1821000
CY2018Q2	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	2281000
CY2018Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	309000
CY2018Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	188000
CY2018Q2	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	2770000
CY2017Q2	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	2874000
CY2018	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	53000
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	107000
CY2018	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	100000
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-106000
CY2018	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	138000
CY2019	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	114000
CY2018	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	119000
CY2019Q2	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	2919000
CY2019Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	0
CY2019Q2	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-2919000
CY2018Q2	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-2770000
CY2019Q2	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	2919000
CY2018Q2	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	2770000
CY2019	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	0
CY2018	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	-34000
CY2019Q2	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear	171000
CY2019	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-16000
CY2018	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-31000
CY2019	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	173000
CY2018	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	150000
CY2019Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-531000
CY2018Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-440000
CY2019Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	0
CY2019Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	531000
CY2018Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	440000
CY2019	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	114000
CY2018	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	119000
CY2019	iroq	Benefit Costs BenefitCosts	173000
CY2018	iroq	Benefit Costs BenefitCosts	150000
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	4000
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	3000
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	34000
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	35000
CY2019Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	124000
CY2019Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	142000
CY2019Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	167000
CY2019Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	181000
CY2019Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	197000
CY2019Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	947000
CY2019Q2	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0325
CY2018Q2	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0395
CY2019Q2	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.09
CY2019Q2	us-gaap	Defined Benefit Plan Expected Amortization Of Gain Loss Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear	25000
CY2019Q2	us-gaap	Defined Benefit Plan Expected Amortization Of Prior Service Cost Credit Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear	0
CY2019Q2	us-gaap	Defined Benefit Plan Expected Amortization Of Transition Asset Obligation Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfTransitionAssetObligationNextFiscalYear	0
CY2019	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.25
CY2019	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.05
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	68000
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	63000
CY2019	iroq	Defined Benefit Plan Retirement Age DefinedBenefitPlanRetirementAge	P72Y
CY2019Q2	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	1500000
CY2018Q2	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	1300000
CY2019Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	109018
CY2018Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	96133
CY2019Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	19245
CY2018Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	19245
CY2019Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Suspense Shares EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares	230940
CY2018Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Suspense Shares EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares	250185
CY2019Q2	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	359203
CY2018Q2	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	365563
CY2019Q2	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	4829000
CY2018Q2	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	5979000
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	153143
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.63
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	153143
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.63
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y4M24D
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	655000
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	108571
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	16.63
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y4M24D
CY2019Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	465000
CY2019Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	541000
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	6535000
CY2019Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	1505000
CY2018Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2877000
CY2018	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3
CY2018	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	73000
CY2019	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1
CY2019	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	159000
CY2019Q2	iroq	Maximum Amount Of One To Four Family Residential Mortgage Loans Can Be Approved By Loan Officer MaximumAmountOfOneToFourFamilyResidentialMortgageLoansCanBeApprovedByLoanOfficer	100000
CY2019Q2	iroq	Maximum Amount Of Other Secured Loans Residential Mortgage Loans Can Be Approved By Loan Officer MaximumAmountOfOtherSecuredLoansResidentialMortgageLoansCanBeApprovedByLoanOfficer	50000
CY2019Q2	iroq	Maximum Amount Of Unsecured Loans Residential Mortgage Loans Can Be Approved By Loan Officer MaximumAmountOfUnsecuredLoansResidentialMortgageLoansCanBeApprovedByLoanOfficer	10000
CY2019Q2	iroq	Maximum Amount Of One To Four Family Residential Mortgage Loans Can Be Approved By Managing Officer MaximumAmountOfOneToFourFamilyResidentialMortgageLoansCanBeApprovedByManagingOfficer	375000
CY2019Q2	iroq	Maximum Amount Of Other Secured Loans Residential Mortgage Loans Can Be Approved By Managing Officer MaximumAmountOfOtherSecuredLoansResidentialMortgageLoansCanBeApprovedByManagingOfficer	375000
CY2019Q2	iroq	Maximum Amount Of Unsecured Loans Residential Mortgage Loans Can Be Approved By Managing Officer MaximumAmountOfUnsecuredLoansResidentialMortgageLoansCanBeApprovedByManagingOfficer	100000
CY2019Q2	iroq	Maximum Aggregate Loan Amount Of One To Four Family Residential Mortgage Loans Commercial Real Estate Loans Multi Family Real Estate Loans And Land Loans Can Be Approved By Loan Committee MaximumAggregateLoanAmountOfOneToFourFamilyResidentialMortgageLoansCommercialRealEstateLoansMultiFamilyRealEstateLoansAndLandLoansCanBeApprovedByLoanCommittee	2000000
CY2019Q2	iroq	Maximum Amount Of Unsecured Loans Residential Mortgage Loans Can Be Approved By Loan Committee MaximumAmountOfUnsecuredLoansResidentialMortgageLoansCanBeApprovedByLoanCommittee	500000
CY2019Q2	us-gaap	Loans And Leases Receivable Consumer Real Estate LoansAndLeasesReceivableConsumerRealEstate	200000
CY2018Q2	us-gaap	Loans And Leases Receivable Consumer Real Estate LoansAndLeasesReceivableConsumerRealEstate	6300000
CY2019Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	3560852
CY2018Q3	iroq	Number Of Full Service Banking Offices NumberOfFullServiceBankingOffices	1
CY2019	iroq	Income Tax Examination Minimum Likelihood Of Tax Benefits Being Realized Upon Settlement IncomeTaxExaminationMinimumLikelihoodOfTaxBenefitsBeingRealizedUponSettlement	0.50
CY2019	dei	Trading Symbol TradingSymbol	IROQ
CY2019	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
CY2018	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-1584000
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family: "times new roman"; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt; margin-left: 2%; line-height: 12pt;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Use of Estimates </div></div></div><div style="font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt; margin-left: 4%;">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</div><div style="font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt; margin-left: 4%;">Material estimates that are particularly susceptible to significant change relate to the determination of the allowance for loan losses and the valuation of real estate acquired in connection with foreclosures or in satisfaction of loans, fair value measurements and classifications of investment securities, loan servicing rights and income taxes.</div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2019	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt; margin-left: 2%;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Reclassifications </div></div></div><div style="font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt; margin-left: 4%;">Certain reclassifications have been made to the 2018 financial statements to conform to the 2019 financial statement presentation. These reclassifications had no effect on income.</div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2019	iroq	Number Of Full Service Banking Offices NumberOfFullServiceBankingOffices	7
CY2019	us-gaap	Profit Loss ProfitLoss	3558000
CY2018	us-gaap	Profit Loss ProfitLoss	1738000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	3558000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1738000
CY2019	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	54846000
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-3012000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	5797000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4838000
CY2019	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	26725000
CY2018	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	22794000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	76184000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	52818000
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	7231000
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-797000
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1013000
CY2018	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	896000
CY2019	us-gaap	Noninterest Income NoninterestIncome	4162000
CY2018	us-gaap	Noninterest Income NoninterestIncome	4091000
CY2019Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1255000
CY2018Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	607000
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	17871000
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	17505000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1293000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2725000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1217000
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1401000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	76000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1324000
CY2019	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	17464000
CY2018	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	16728000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4851000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4463000
CY2019Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	2066000
CY2018Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	4003000
CY2019Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	3321000
CY2018Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	4610000
CY2018Q2	iroq	Maximum Amount Of One To Four Family Residential Mortgage Loans Can Be Approved By Managing Officer MaximumAmountOfOneToFourFamilyResidentialMortgageLoansCanBeApprovedByManagingOfficer	300000
CY2018Q2	iroq	Maximum Amount Of Other Secured Loans Residential Mortgage Loans Can Be Approved By Managing Officer MaximumAmountOfOtherSecuredLoansResidentialMortgageLoansCanBeApprovedByManagingOfficer	300000
CY2018Q2	iroq	Maximum Amount Of Unsecured Loans Residential Mortgage Loans Can Be Approved By Managing Officer MaximumAmountOfUnsecuredLoansResidentialMortgageLoansCanBeApprovedByManagingOfficer	100000
CY2018Q2	iroq	Maximum Amount Of Unsecured Loans Residential Mortgage Loans Can Be Approved By Loan Committee MaximumAmountOfUnsecuredLoansResidentialMortgageLoansCanBeApprovedByLoanCommittee	1000000
CY2018Q2	iroq	Maximum Aggregate Loan Amount Of One To Four Family Residential Mortgage Loans Commercial Real Estate Loans Multi Family Real Estate Loans And Land Loans Can Be Approved By Loan Committee MaximumAggregateLoanAmountOfOneToFourFamilyResidentialMortgageLoansCommercialRealEstateLoansMultiFamilyRealEstateLoansAndLandLoansCanBeApprovedByLoanCommittee	300000
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	42000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2018Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	34000
CY2019Q2	iroq	Deferred Tax Assets Unrealized Gains On Available For Sale Securities Gross DeferredTaxAssetsUnrealizedGainsOnAvailableForSaleSecuritiesGross	-395000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2019	dei	Document Type DocumentType	10-K
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Entity Registrant Name EntityRegistrantName	IF Bancorp, Inc.
CY2019	dei	Security12b Title Security12bTitle	Common Stock
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2018Q4	dei	Entity Public Float EntityPublicFloat	53353934
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-06-30
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001514743
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	true
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019Q2	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	57921000
CY2018Q2	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	64625000
CY2019	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	96000
CY2018	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	20000
CY2019	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	85000
CY2018	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	7000
CY2019Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	24000000
CY2018Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	67500000
CY2018Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	0
CY2019Q2	iroq	Commitments To Originate Loans CommitmentsToOriginateLoans	0
CY2019Q2	us-gaap	Line Of Credit LineOfCredit	0
CY2018Q2	iroq	Commitments To Originate Loans CommitmentsToOriginateLoans	0
CY2018Q2	us-gaap	Line Of Credit LineOfCredit	0
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	50000
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-4000
CY2019Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	31049000
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	44161000
CY2019Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	47146000
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	119180000

Files In Submission

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$IROQ
IF Bancorp, Inc. Stock $iroq

2018 Q2 Form 10-K Financial Statement

#000119312519243630 Filed on September 12, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IROQ IF Bancorp, Inc. Stock $iroq

2018 Q2 Form 10-K Financial Statement

#000119312519243630 Filed on September 12, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IROQ
IF Bancorp, Inc. Stock $iroq