2022 Q3 Form 10-Q Financial Statement

#000086041322000191 Filed on August 05, 2022

View on sec.gov

Income Statement

Concept 2022 Q3 2022 Q2 2022 Q1
Revenue $286.7M $245.3M $184.0M
YoY Change 118.69% 98.95% 46.85%
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 $13.90M $14.20M $13.30M
YoY Change 25.23% 30.28% 16.67%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense $19.90M $7.400M $6.000M
YoY Change 373.81% 64.44% 30.43%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income $108.1M $80.30M -$41.30M
YoY Change 78.09% 45.74% -163.05%
Income Tax $22.40M $16.20M -$7.900M
% Of Pretax Income 20.72% 20.17%
Net Earnings $85.70M $64.10M -$33.40M
YoY Change 81.95% 50.82% -164.98%
Net Earnings / Revenue 29.89% 26.13% -18.15%
Basic Earnings Per Share $0.80 $0.59 -$0.36
Diluted Earnings Per Share $804.0K $0.59 -$0.36
COMMON SHARES
Basic Shares Outstanding 106.8M shares 109.1M shares 92.86M shares
Diluted Shares Outstanding 106.6M shares 109.1M shares 92.86M shares

Balance Sheet

Concept 2022 Q3 2022 Q2 2022 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents $591.9M $1.059B $3.811B
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 $445.4M $442.7M $444.4M
YoY Change 49.82% 48.01% 45.47%
Goodwill $1.100B $1.100B $1.138B
YoY Change 76.96% 76.93% 83.01%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets $223.8M $176.9M $137.4M
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets $31.34B $32.06B $33.16B
YoY Change 61.8% 69.28% 79.81%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $7.400M $4.300M $6.000M
YoY Change 5.71% -14.0% -14.29%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt $1.701B $1.235B $1.071B
YoY Change 68.71% 18.84% 1.71%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $452.9M $4.300M $266.1M
YoY Change 210.21% -14.0% 3701.43%
LONG-TERM LIABILITIES
Long-Term Debt $283.8M $283.5M $283.5M
YoY Change 42.61% 42.46% 42.46%
Other Long-Term Liabilities $470.0M $6.100M $6.200M
YoY Change 15566.67% 103.33% 106.67%
Total Long-Term Liabilities $753.8M $289.6M $289.7M
YoY Change 273.17% 43.37% 43.42%
TOTAL LIABILITIES
Total Short-Term Liabilities $452.9M $4.300M $266.1M
Total Long-Term Liabilities $753.8M $289.6M $289.7M
Total Liabilities $28.34B $28.79B $29.72B
YoY Change 62.99% 69.66% 80.02%
SHAREHOLDERS EQUITY
Retained Earnings $1.036B $993.8M $974.5M
YoY Change 0.87% -1.13% -1.39%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $3.006B $3.272B $3.441B
YoY Change
Total Liabilities & Shareholders Equity $31.34B $32.06B $33.16B
YoY Change 61.8% 69.28% 79.81%

Cashflow Statement

Concept 2022 Q3 2022 Q2 2022 Q1
OPERATING ACTIVITIES
Net Income $85.70M $64.10M -$33.40M
YoY Change 81.95% 50.82% -164.98%
Depreciation, Depletion And Amortization $13.90M $14.20M $13.30M
YoY Change 25.23% 30.28% 16.67%
Cash From Operating Activities $169.4M $204.3M $64.90M
YoY Change 70.59% 473.88% -7.94%
INVESTING ACTIVITIES
Capital Expenditures -$11.70M -$6.000M -$9.500M
YoY Change 125.0% -3100.0% 1800.0%
Acquisitions
YoY Change
Other Investing Activities -$137.9M -$1.680B $1.532B
YoY Change -28.92% 134.72% -259.8%
Cash From Investing Activities -$149.6M -$1.686B $1.523B
YoY Change -24.9% 135.63% -258.73%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net $1.300M
YoY Change -74.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -487.2M -1.270B -$120.9M
YoY Change -226.55% -393.87% -114.96%
NET CHANGE
Cash From Operating Activities 169.4M 204.3M $64.90M
Cash From Investing Activities -149.6M -1.686B $1.523B
Cash From Financing Activities -487.2M -1.270B -$120.9M
Net Change In Cash -467.4M -2.752B $1.467B
YoY Change -263.94% 1011.47% -1914.98%
FREE CASH FLOW
Cash From Operating Activities $169.4M $204.3M $64.90M
Capital Expenditures -$11.70M -$6.000M -$9.500M
Free Cash Flow $181.1M $210.3M $74.40M
YoY Change 73.3% 494.07% 4.79%

Facts In Submission

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CY2021Q2 us-gaap Debt Securities Held To Maturity Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAllowanceForCreditLoss
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CY2021Q4 us-gaap Debt Securities Held To Maturity Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAllowanceForCreditLoss
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CY2022Q2 us-gaap Held To Maturity Securities
HeldToMaturitySecurities
3131600000 usd
CY2021Q4 us-gaap Held To Maturity Securities
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1687600000 usd
us-gaap Debt Securities Available For Sale Realized Gain
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us-gaap Debt Securities Available For Sale Realized Gain
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CY2022Q2 us-gaap Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis
84800000 usd
CY2022Q2 us-gaap Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value
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84400000 usd
CY2022Q2 us-gaap Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount
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10100000 usd
CY2022Q2 us-gaap Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value
HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
10100000 usd
CY2022Q2 us-gaap Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis
1566400000 usd
CY2022Q2 us-gaap Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value
AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue
1507700000 usd
CY2022Q2 us-gaap Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount
375000000.0 usd
CY2022Q2 us-gaap Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value
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367900000 usd
CY2022Q2 us-gaap Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis
1865400000 usd
CY2022Q2 us-gaap Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value
AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue
1738600000 usd
CY2022Q2 us-gaap Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount
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784500000 usd
CY2022Q2 us-gaap Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value
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718400000 usd
CY2022Q2 us-gaap Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis
4677200000 usd
CY2022Q2 us-gaap Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value
AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue
4410400000 usd
CY2022Q2 us-gaap Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount
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1962000000 usd
CY2022Q2 us-gaap Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue
1764100000 usd
CY2022Q2 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
8193800000 usd
CY2022Q2 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
7741100000 usd
CY2022Q2 us-gaap Held To Maturity Securities
HeldToMaturitySecurities
3131600000 usd
CY2022Q2 us-gaap Held To Maturity Securities Fair Value
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2860500000 usd
CY2022Q2 us-gaap Securities Sold Under Agreements To Repurchase Fair Value Of Collateral
SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral
4871300000 usd
CY2021Q4 us-gaap Securities Sold Under Agreements To Repurchase Fair Value Of Collateral
SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral
2617800000 usd
CY2022Q2 us-gaap Securities Loaned Or Sold Under Agreements To Repurchase Fair Value Disclosure
SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure
4526500000 usd
CY2021Q4 us-gaap Securities Loaned Or Sold Under Agreements To Repurchase Fair Value Disclosure
SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure
2610800000 usd
CY2022Q1 us-gaap Proceeds From Collection Of Loans Held For Sale
ProceedsFromCollectionOfLoansHeldForSale
4500000 usd
CY2022Q2 us-gaap Proceeds From Collection Of Loans Held For Sale
ProceedsFromCollectionOfLoansHeldForSale
53900000 usd
CY2022Q2 us-gaap Loans And Leases Receivable Deferred Income
LoansAndLeasesReceivableDeferredIncome
10600000 usd
CY2021Q4 us-gaap Loans And Leases Receivable Deferred Income
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12300000 usd
CY2022Q2 us-gaap Loans And Leases Receivable Net Of Deferred Income
LoansAndLeasesReceivableNetOfDeferredIncome
17162500000 usd
CY2021Q4 us-gaap Loans And Leases Receivable Net Of Deferred Income
LoansAndLeasesReceivableNetOfDeferredIncome
9331700000 usd
CY2022Q2 us-gaap Allowance For Doubtful Accounts Receivable
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220400000 usd
CY2021Q4 us-gaap Allowance For Doubtful Accounts Receivable
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122300000 usd
CY2022Q2 us-gaap Loans And Leases Receivable Net Reported Amount
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16942100000 usd
CY2021Q4 us-gaap Loans And Leases Receivable Net Reported Amount
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9209400000 usd
CY2022Q1 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
247200000 usd
CY2022Q2 us-gaap Financing Receivable Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date
FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate
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CY2022Q2 us-gaap Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal
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CY2022Q2 us-gaap Allowance For Loan And Lease Losses Write Offs
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CY2022Q2 us-gaap Financing Receivable Allowance For Credit Losses Recovery
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3400000 usd
CY2022Q2 us-gaap Allowance For Doubtful Accounts Receivable
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220400000 usd
CY2021Q4 us-gaap Allowance For Doubtful Accounts Receivable
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us-gaap Financing Receivable Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date
FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate
59500000 usd
us-gaap Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal
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55600000 usd
us-gaap Allowance For Loan And Lease Losses Write Offs
AllowanceForLoanAndLeaseLossesWriteOffs
23600000 usd
us-gaap Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
6600000 usd
CY2022Q2 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
220400000 usd
CY2021Q1 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
136600000 usd
CY2021Q2 us-gaap Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal
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0 usd
CY2021Q2 us-gaap Allowance For Loan And Lease Losses Write Offs
AllowanceForLoanAndLeaseLossesWriteOffs
4800000 usd
CY2021Q2 us-gaap Financing Receivable Allowance For Credit Losses Recovery
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3700000 usd
CY2021Q2 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
135500000 usd
CY2020Q4 us-gaap Allowance For Doubtful Accounts Receivable
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us-gaap Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal
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us-gaap Allowance For Loan And Lease Losses Write Offs
AllowanceForLoanAndLeaseLossesWriteOffs
9700000 usd
us-gaap Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
5700000 usd
CY2021Q2 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
135500000 usd
CY2022Q2 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
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85500000 usd
CY2021Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
11700000 usd
CY2022Q1 us-gaap Financing Receivable Nonaccrual Interest Income
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CY2022Q2 us-gaap Financing Receivable Nonaccrual Interest Income
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CY2022Q2 us-gaap Impaired Financing Receivable Interest Income Accrual Method
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CY2021Q2 us-gaap Impaired Financing Receivable Interest Income Accrual Method
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us-gaap Impaired Financing Receivable Interest Income Accrual Method
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us-gaap Impaired Financing Receivable Interest Income Accrual Method
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us-gaap Financing Receivable Accrued Interest Writeoff
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CY2022Q2 us-gaap Financing Receivable Modifications Recorded Investment
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28900000 usd
CY2022Q2 fibk Financing Receivable Modifications Recorded Investment Non Accrual
FinancingReceivableModificationsRecordedInvestmentNonAccrual
8400000 usd
CY2022Q2 fibk Financing Receivable Modifications Recorded Investment Accrual Method
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20500000 usd
CY2022Q2 us-gaap Long Term Accounts Notes And Loans Receivable Net Noncurrent
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CY2021Q4 us-gaap Loans And Leases Receivable Impaired Commitment To Lend
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CY2021Q4 us-gaap Financing Receivable Modifications Recorded Investment
FinancingReceivableModificationsRecordedInvestment
6200000 usd
CY2021Q4 fibk Financing Receivable Modifications Recorded Investment Non Accrual
FinancingReceivableModificationsRecordedInvestmentNonAccrual
3900000 usd
CY2021Q4 fibk Financing Receivable Modifications Recorded Investment Accrual Method
FinancingReceivableModificationsRecordedInvestmentAccrualMethod
2300000 usd
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6400000 usd
us-gaap Financing Receivable Modifications Post Modification Recorded Investment2
FinancingReceivableModificationsPostModificationRecordedInvestment2
23600000 usd
CY2022Q2 us-gaap Financing Receivable Modifications Number Of Contracts2
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4 note
CY2022Q2 us-gaap Financing Receivable Modifications Post Modification Recorded Investment2
FinancingReceivableModificationsPostModificationRecordedInvestment2
6400000 usd
us-gaap Financing Receivable Modifications Number Of Contracts2
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9 note
us-gaap Financing Receivable Modifications Post Modification Recorded Investment2
FinancingReceivableModificationsPostModificationRecordedInvestment2
23600000 usd
us-gaap Financing Receivables Impaired Troubled Debt Restructuring Write Down
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us-gaap Financing Receivables Impaired Troubled Debt Restructuring Write Down
FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
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CY2021Q2 us-gaap Financing Receivables Impaired Troubled Debt Restructuring Write Down
FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
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CY2022Q2 us-gaap Financing Receivables Impaired Troubled Debt Restructuring Write Down
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CY2022Q2 us-gaap Impaired Financing Receivable Recorded Investment
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190800000 usd
CY2022Q1 us-gaap Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period Cash Flows Expected To Be Collected At Acquisition
CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition
623300000 usd
CY2022Q1 us-gaap Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses
CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses
298200000 usd
CY2022Q1 fibk Certain Loans And Debt Securities Acquired In Transfer Discount At Acquisition
CertainLoansAndDebtSecuritiesAcquiredInTransferDiscountAtAcquisition
57700000 usd
CY2022Q1 fibk Certain Loans And Debt Securities Acquired In Transfer Par Value At Acquisition
CertainLoansAndDebtSecuritiesAcquiredInTransferParValueAtAcquisition
979200000 usd
CY2022Q1 us-gaap Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses
CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses
298200000 usd
CY2022Q1 us-gaap Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses Decreases1
CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLossesDecreases1
238700000 usd
CY2022Q1 fibk Business Combination Impact On Purchased Credit Deteriorated Loans
BusinessCombinationImpactOnPurchasedCreditDeterioratedLoans
59500000 usd
CY2022Q1 fibk Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Difference Between Amortized Cost Basis And Unpaid Principal Balance
CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesDifferenceBetweenAmortizedCostBasisAndUnpaidPrincipalBalance
39600000 usd
CY2022Q1 fibk Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Interest Applied To Principal
CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesInterestAppliedToPrincipal
18100000 usd
CY2021Q2 us-gaap Loans And Leases Receivable Commitments To Purchase Or Sell
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us-gaap Loans And Leases Receivable Commitments To Purchase Or Sell
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us-gaap Loans And Leases Receivable Commitments To Purchase Or Sell
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CY2022Q2 us-gaap Loans And Leases Receivable Commitments To Purchase Or Sell
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CY2022Q2 us-gaap Proceeds From Sale Of Loans Held For Investment
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CY2022Q2 us-gaap Proceeds From Sale Of Loans Held For Investment
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CY2022Q2 us-gaap Proceeds From Sale Of Loans Held For Investment
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CY2021Q2 us-gaap Proceeds From Sale Of Loans Held For Investment
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CY2022Q1 us-gaap Real Estate Acquired Through Foreclosure
RealEstateAcquiredThroughForeclosure
17500000 usd
CY2021Q1 us-gaap Real Estate Acquired Through Foreclosure
RealEstateAcquiredThroughForeclosure
2200000 usd
CY2021Q4 us-gaap Real Estate Acquired Through Foreclosure
RealEstateAcquiredThroughForeclosure
2000000.0 usd
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RealEstateAcquiredThroughForeclosure
2500000 usd
CY2022Q2 fibk Real Estate Acquired Through Foreclosure Acquired Through Acquisition
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CY2021Q2 fibk Real Estate Acquired Through Foreclosure Acquired Through Acquisition
RealEstateAcquiredThroughForeclosureAcquiredThroughAcquisition
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fibk Real Estate Acquired Through Foreclosure Acquired Through Acquisition
RealEstateAcquiredThroughForeclosureAcquiredThroughAcquisition
15800000 usd
fibk Real Estate Acquired Through Foreclosure Acquired Through Acquisition
RealEstateAcquiredThroughForeclosureAcquiredThroughAcquisition
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CY2022Q2 fibk Real Estate Acquired Through Foreclosure Additions
RealEstateAcquiredThroughForeclosureAdditions
100000 usd
CY2021Q2 fibk Real Estate Acquired Through Foreclosure Additions
RealEstateAcquiredThroughForeclosureAdditions
0 usd
fibk Real Estate Acquired Through Foreclosure Additions
RealEstateAcquiredThroughForeclosureAdditions
100000 usd
fibk Real Estate Acquired Through Foreclosure Additions
RealEstateAcquiredThroughForeclosureAdditions
300000 usd
CY2022Q2 fibk Real Estate Acquired Through Foreclosure Disposals
RealEstateAcquiredThroughForeclosureDisposals
800000 usd
CY2021Q2 fibk Real Estate Acquired Through Foreclosure Disposals
RealEstateAcquiredThroughForeclosureDisposals
200000 usd
fibk Real Estate Acquired Through Foreclosure Disposals
RealEstateAcquiredThroughForeclosureDisposals
1100000 usd
fibk Real Estate Acquired Through Foreclosure Disposals
RealEstateAcquiredThroughForeclosureDisposals
800000 usd
CY2022Q2 us-gaap Real Estate Acquired Through Foreclosure
RealEstateAcquiredThroughForeclosure
16800000 usd
CY2021Q2 us-gaap Real Estate Acquired Through Foreclosure
RealEstateAcquiredThroughForeclosure
2000000.0 usd
CY2022Q2 us-gaap Real Estate Acquired Through Foreclosure
RealEstateAcquiredThroughForeclosure
16800000 usd
CY2021Q2 us-gaap Real Estate Acquired Through Foreclosure
RealEstateAcquiredThroughForeclosure
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CY2022Q2 fibk Foreclosed Residential Real Estateincludedin Other Real Estate Owned
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CY2022Q2 us-gaap Mortgage Loans In Process Of Foreclosure Amount
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CY2022Q2 us-gaap Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net
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CY2021Q4 us-gaap Derivative Fair Value Of Derivative Liability
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18200000 usd
CY2022Q2 fibk Fee Incomeon Derivatives
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CY2022Q2 us-gaap Derivative Instruments And Hedges
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189500000 usd
CY2022Q2 us-gaap Hedged Asset Fair Value Hedge Cumulative Increase Decrease
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CY2021Q4 us-gaap Derivative Instruments And Hedges
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CY2021Q4 us-gaap Hedged Asset Fair Value Hedge Cumulative Increase Decrease
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CY2022Q2 us-gaap Interest Rate Derivative Assets At Fair Value
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24800000 usd
CY2021Q4 us-gaap Derivative Asset Notional Amount
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CY2021Q4 us-gaap Interest Rate Derivative Assets At Fair Value
InterestRateDerivativeAssetsAtFairValue
28100000 usd
CY2022Q2 us-gaap Derivative Liability Notional Amount
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1867200000 usd
CY2022Q2 us-gaap Derivative Fair Value Of Derivative Liability
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18200000 usd
CY2022Q2 us-gaap Derivative Fair Value Of Derivative Asset
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24800000 usd
CY2022Q2 us-gaap Derivative Asset Fair Value Gross Liability
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CY2022Q2 us-gaap Derivative Assets
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24800000 usd
CY2022Q2 us-gaap Derivative Collateral Obligation To Return Securities
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23700000 usd
CY2022Q2 us-gaap Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral
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1100000 usd
CY2022Q2 us-gaap Derivative Fair Value Of Derivative Asset
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24800000 usd
CY2022Q2 us-gaap Derivative Asset Fair Value Gross Liability
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CY2022Q2 us-gaap Derivative Assets Liabilities At Fair Value Net
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24800000 usd
CY2022Q2 us-gaap Derivative Collateral Obligation To Return Securities
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CY2022Q2 us-gaap Derivative Collateral Obligation To Return Cash
DerivativeCollateralObligationToReturnCash
23700000 usd
CY2022Q2 us-gaap Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral
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1100000 usd
CY2022Q2 us-gaap Derivative Fair Value Of Derivative Liability
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99400000 usd
CY2022Q2 us-gaap Derivative Liability Fair Value Gross Asset
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CY2022Q2 us-gaap Derivative Liabilities
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CY2022Q2 us-gaap Derivative Collateral Right To Reclaim Securities
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CY2022Q2 us-gaap Derivative Collateral Right To Reclaim Cash
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CY2022Q2 us-gaap Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral
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99400000 usd
CY2022Q2 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross
DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross
1334100000 usd
CY2022Q2 us-gaap Derivative Liability Fair Value Gross Asset
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CY2022Q2 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned
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1334100000 usd
CY2022Q2 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities
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CY2022Q2 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash
DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash
1234700000 usd
CY2022Q2 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral
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99400000 usd
CY2021Q4 us-gaap Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
28100000 usd
CY2021Q4 us-gaap Derivative Asset Fair Value Gross Liability
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CY2021Q4 us-gaap Derivative Assets
DerivativeAssets
28100000 usd
CY2021Q4 us-gaap Derivative Collateral Obligation To Return Securities
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CY2021Q4 us-gaap Derivative Collateral Obligation To Return Cash
DerivativeCollateralObligationToReturnCash
8000000.0 usd
CY2021Q4 us-gaap Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral
DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
20100000 usd
CY2021Q4 us-gaap Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
28100000 usd
CY2021Q4 us-gaap Derivative Asset Fair Value Gross Liability
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CY2021Q4 us-gaap Derivative Assets
DerivativeAssets
28100000 usd
CY2021Q4 us-gaap Derivative Collateral Obligation To Return Securities
DerivativeCollateralObligationToReturnSecurities
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CY2021Q4 us-gaap Derivative Collateral Obligation To Return Cash
DerivativeCollateralObligationToReturnCash
8000000.0 usd
CY2021Q4 us-gaap Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral
DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
20100000 usd
CY2021Q4 us-gaap Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
18200000 usd
CY2021Q4 us-gaap Derivative Liability Fair Value Gross Asset
DerivativeLiabilityFairValueGrossAsset
0 usd
CY2021Q4 us-gaap Derivative Liabilities
DerivativeLiabilities
18200000 usd
CY2021Q4 us-gaap Derivative Collateral Right To Reclaim Securities
DerivativeCollateralRightToReclaimSecurities
0 usd
CY2021Q4 us-gaap Derivative Collateral Right To Reclaim Cash
DerivativeCollateralRightToReclaimCash
0 usd
CY2021Q4 us-gaap Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral
DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
18200000 usd
CY2021Q4 us-gaap Securities Sold Under Agreements To Repurchase Gross
SecuritiesSoldUnderAgreementsToRepurchaseGross
1051100000 usd
CY2021Q4 us-gaap Securities Sold Under Agreements To Repurchase Asset
SecuritiesSoldUnderAgreementsToRepurchaseAsset
0 usd
CY2021Q4 us-gaap Securities Sold Under Agreements To Repurchase
SecuritiesSoldUnderAgreementsToRepurchase
1051100000 usd
CY2021Q4 us-gaap Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities
SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities
0 usd
CY2021Q4 us-gaap Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash
SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash
1051100000 usd
CY2021Q4 us-gaap Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral
SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral
0 usd
CY2021Q4 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross
DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross
1069300000 usd
CY2021Q4 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset
DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset
0 usd
CY2021Q4 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned
DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned
1069300000 usd
CY2021Q4 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities
DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities
0 usd
CY2021Q4 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash
DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash
1051100000 usd
CY2021Q4 us-gaap Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral
DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral
18200000 usd
us-gaap Accelerated Share Repurchases Adjustment To Recorded Amount
AcceleratedShareRepurchasesAdjustmentToRecordedAmount
64300000 usd
us-gaap Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
37.38
fibk Shares Repurchased During The Period As Percentage Of Shares Authorized For Repurchase Percent
SharesRepurchasedDuringThePeriodAsPercentageOfSharesAuthorizedForRepurchasePercent
0.344
CY2020Q3 us-gaap Stock Repurchase Program Number Of Shares Authorized To Be Repurchased
StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
5000000 shares
CY2022Q2 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
107758038 shares
CY2022Q2 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
107758038 shares
CY2022Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
109131718 shares
CY2021Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
61727821 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
101076331 shares
CY2022Q2 us-gaap Net Income Loss
NetIncomeLoss
64100000 usd
CY2021Q2 us-gaap Net Income Loss
NetIncomeLoss
42500000 usd
us-gaap Net Income Loss
NetIncomeLoss
30700000 usd
us-gaap Net Income Loss
NetIncomeLoss
93900000 usd
CY2022Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
109106891 shares
CY2021Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
61657593 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
101025926 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
61624917 shares
CY2022Q2 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
24827 shares
CY2021Q2 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
70228 shares
us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
50405 shares
us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
98225 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
61723142 shares
CY2022Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.59
CY2021Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.69
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.30
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.52
CY2022Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.59
CY2021Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.69
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.30
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.52
CY2022Q2 us-gaap Capital
Capital
2908700000 usd
CY2022Q2 us-gaap Capital To Risk Weighted Assets
CapitalToRiskWeightedAssets
0.1360
CY2022Q2 us-gaap Capital Required For Capital Adequacy
CapitalRequiredForCapitalAdequacy
1710700000 usd
CY2022Q2 us-gaap Capital Required For Capital Adequacy To Risk Weighted Assets
CapitalRequiredForCapitalAdequacyToRiskWeightedAssets
0.0800
CY2022Q2 fibk Capital Required For Capital Adequacy Under Basel Iii Fully Phased In
CapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedIn
2245200000 usd
CY2022Q2 fibk Capital Required For Capital Adequacy Under Basel Iii Fully Phased In To Risk Weighted Assets
CapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedInToRiskWeightedAssets
0.1050
CY2022Q2 us-gaap Capital Required To Be Well Capitalized
CapitalRequiredToBeWellCapitalized
2138300000 usd
CY2022Q2 us-gaap Capital Required To Be Well Capitalized To Risk Weighted Assets
CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
0.1000
CY2022Q2 us-gaap Tier One Risk Based Capital
TierOneRiskBasedCapital
2451400000 usd
CY2022Q2 us-gaap Tier One Risk Based Capital To Risk Weighted Assets
TierOneRiskBasedCapitalToRiskWeightedAssets
0.1146
CY2022Q2 us-gaap Tier One Risk Based Capital Required For Capital Adequacy
TierOneRiskBasedCapitalRequiredForCapitalAdequacy
1283000000 usd
CY2022Q2 us-gaap Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets
TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
0.0600
CY2022Q2 fibk Tier One Capital Required For Capital Adequacy Under Basel Iii Fully Phased In
TierOneCapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedIn
1817600000 usd
CY2022Q2 fibk Tier One Capital Required For Capital Adequacy Under Basel Iii Fully Phased In To Risk Weighted Assets
TierOneCapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedInToRiskWeightedAssets
0.0850
CY2022Q2 us-gaap Tier One Risk Based Capital Required To Be Well Capitalized
TierOneRiskBasedCapitalRequiredToBeWellCapitalized
1710700000 usd
CY2022Q2 us-gaap Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets
TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
0.0800
CY2022Q2 us-gaap Common Equity Tier One Capital
CommonEquityTierOneCapital
2451400000 usd
CY2022Q2 us-gaap Common Equity Tier One Capital Ratio
CommonEquityTierOneCapitalRatio
0.1146
CY2022Q2 us-gaap Common Equity Tier One Capital Required For Capital Adequacy
CommonEquityTierOneCapitalRequiredForCapitalAdequacy
962200000 usd
CY2022Q2 us-gaap Banking Regulation Common Equity Tier One Risk Based Capital Ratio Capital Adequacy Minimum
BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioCapitalAdequacyMinimum
0.0450
CY2022Q2 fibk Tier One Common Equity Capital Required For Capital Adequacy Under Basel Iii Fully Phased In
TierOneCommonEquityCapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedIn
1496800000 usd
CY2022Q2 fibk Tier One Common Equity Capital Required For Capital Adequacy Under Basel Iii Fully Phased In To Risk Weighted Assets
TierOneCommonEquityCapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedInToRiskWeightedAssets
0.0700
CY2022Q2 us-gaap Common Equity Tier One Capital Required To Be Well Capitalized
CommonEquityTierOneCapitalRequiredToBeWellCapitalized
1389900000 usd
CY2022Q2 us-gaap Banking Regulation Common Equity Tier One Risk Based Capital Ratio Well Capitalized Minimum
BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioWellCapitalizedMinimum
0.0650
CY2022Q2 us-gaap Tier One Leverage Capital
TierOneLeverageCapital
2451400000 usd
CY2022Q2 us-gaap Tier One Leverage Capital To Average Assets
TierOneLeverageCapitalToAverageAssets
0.0772
CY2022Q2 us-gaap Tier One Leverage Capital Required For Capital Adequacy
TierOneLeverageCapitalRequiredForCapitalAdequacy
1269500000 usd
CY2022Q2 us-gaap Tier One Leverage Capital Required For Capital Adequacy To Average Assets
TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
0.0400
CY2022Q2 us-gaap Tier One Leverage Capital Required For Capital Adequacy
TierOneLeverageCapitalRequiredForCapitalAdequacy
1269500000 usd
CY2022Q2 us-gaap Tier One Leverage Capital Required For Capital Adequacy To Average Assets
TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
0.0400
CY2022Q2 us-gaap Tier One Leverage Capital Required To Be Well Capitalized
TierOneLeverageCapitalRequiredToBeWellCapitalized
1586800000 usd
CY2022Q2 us-gaap Tier One Leverage Capital Required To Be Well Capitalized To Average Assets
TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets
0.0500
CY2021Q4 us-gaap Capital
Capital
1659300000 usd
CY2021Q4 us-gaap Capital To Risk Weighted Assets
CapitalToRiskWeightedAssets
0.1411
CY2021Q4 us-gaap Capital Required For Capital Adequacy
CapitalRequiredForCapitalAdequacy
940900000 usd
CY2021Q4 us-gaap Capital Required For Capital Adequacy To Risk Weighted Assets
CapitalRequiredForCapitalAdequacyToRiskWeightedAssets
0.0800
CY2021Q4 fibk Capital Required For Capital Adequacy Under Basel Iii Fully Phased In
CapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedIn
1235000000 usd
CY2021Q4 fibk Capital Required For Capital Adequacy Under Basel Iii Fully Phased In To Risk Weighted Assets
CapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedInToRiskWeightedAssets
0.1050
CY2021Q4 us-gaap Capital Required To Be Well Capitalized
CapitalRequiredToBeWellCapitalized
1176200000 usd
CY2021Q4 us-gaap Capital Required To Be Well Capitalized To Risk Weighted Assets
CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
0.1000
CY2021Q4 us-gaap Tier One Risk Based Capital
TierOneRiskBasedCapital
1469000000 usd
CY2021Q4 us-gaap Tier One Risk Based Capital To Risk Weighted Assets
TierOneRiskBasedCapitalToRiskWeightedAssets
0.1249
CY2021Q4 us-gaap Tier One Risk Based Capital Required For Capital Adequacy
TierOneRiskBasedCapitalRequiredForCapitalAdequacy
705700000 usd
CY2021Q4 us-gaap Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets
TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
0.0600
CY2021Q4 fibk Tier One Capital Required For Capital Adequacy Under Basel Iii Fully Phased In
TierOneCapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedIn
999700000 usd
CY2021Q4 fibk Tier One Capital Required For Capital Adequacy Under Basel Iii Fully Phased In To Risk Weighted Assets
TierOneCapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedInToRiskWeightedAssets
0.0850
CY2021Q4 us-gaap Tier One Risk Based Capital Required To Be Well Capitalized
TierOneRiskBasedCapitalRequiredToBeWellCapitalized
940900000 usd
CY2021Q4 us-gaap Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets
TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
0.0800
CY2021Q4 us-gaap Common Equity Tier One Capital
CommonEquityTierOneCapital
1384800000 usd
CY2021Q4 us-gaap Common Equity Tier One Capital Ratio
CommonEquityTierOneCapitalRatio
0.1177
CY2021Q4 us-gaap Common Equity Tier One Capital Required For Capital Adequacy
CommonEquityTierOneCapitalRequiredForCapitalAdequacy
529300000 usd
CY2021Q4 us-gaap Banking Regulation Common Equity Tier One Risk Based Capital Ratio Capital Adequacy Minimum
BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioCapitalAdequacyMinimum
0.0450
CY2021Q4 fibk Tier One Common Equity Capital Required For Capital Adequacy Under Basel Iii Fully Phased In
TierOneCommonEquityCapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedIn
823300000 usd
CY2021Q4 fibk Tier One Common Equity Capital Required For Capital Adequacy Under Basel Iii Fully Phased In To Risk Weighted Assets
TierOneCommonEquityCapitalRequiredForCapitalAdequacyUnderBaselIIIFullyPhasedInToRiskWeightedAssets
0.0700
CY2021Q4 us-gaap Common Equity Tier One Capital Required To Be Well Capitalized
CommonEquityTierOneCapitalRequiredToBeWellCapitalized
764500000 usd
CY2021Q4 us-gaap Banking Regulation Common Equity Tier One Risk Based Capital Ratio Well Capitalized Minimum
BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioWellCapitalizedMinimum
0.0650
CY2021Q4 us-gaap Tier One Leverage Capital
TierOneLeverageCapital
1469000000 usd
CY2021Q4 us-gaap Tier One Leverage Capital To Average Assets
TierOneLeverageCapitalToAverageAssets
0.0768
CY2021Q4 us-gaap Tier One Leverage Capital Required For Capital Adequacy
TierOneLeverageCapitalRequiredForCapitalAdequacy
765500000 usd
CY2021Q4 us-gaap Tier One Leverage Capital Required For Capital Adequacy To Average Assets
TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
0.0400
CY2021Q4 us-gaap Tier One Leverage Capital Required For Capital Adequacy
TierOneLeverageCapitalRequiredForCapitalAdequacy
765500000 usd
CY2021Q4 us-gaap Tier One Leverage Capital Required For Capital Adequacy To Average Assets
TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
0.0400
CY2021Q4 us-gaap Tier One Leverage Capital Required To Be Well Capitalized
TierOneLeverageCapitalRequiredToBeWellCapitalized
956900000 usd
CY2021Q4 us-gaap Tier One Leverage Capital Required To Be Well Capitalized To Average Assets
TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets
0.0500
CY2020Q1 us-gaap Income Tax Effects Allocated Directly To Equity Cumulative Effect Of Change In Accounting Principle
IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple
24100000 usd
CY2022Q2 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
-161600000 usd
CY2021Q2 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
-800000 usd
CY2022Q2 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
-45200000 usd
CY2021Q2 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
-200000 usd
CY2022Q1 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
6200000 usd
CY2021Q1 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
3400000 usd
CY2021Q4 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
3800000 usd
CY2020Q4 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
3700000 usd
CY2022Q2 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
6200000 usd
CY2021Q2 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
3400000 usd
CY2022Q2 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
6200000 usd
CY2021Q2 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
3400000 usd
CY2022Q2 fibk Credit Extension Commitments
CreditExtensionCommitments
4840800000 usd
CY2021Q4 fibk Credit Extension Commitments
CreditExtensionCommitments
2539800000 usd
CY2022Q2 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-116400000 usd
CY2021Q2 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-600000 usd
CY2022Q2 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
-100000 usd
CY2021Q2 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
-100000 usd
CY2022Q2 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
0 usd
CY2021Q2 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
0 usd
CY2022Q2 us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-100000 usd
CY2021Q2 us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-100000 usd
CY2022Q2 us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax
900000 usd
CY2021Q2 us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax
-24800000 usd
CY2022Q2 us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax
200000 usd
CY2021Q2 us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax
-6300000 usd
CY2022Q2 us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax
700000 usd
CY2021Q2 us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax
-18500000 usd
CY2022Q2 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax
-15000000.0 usd
CY2021Q2 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax
-800000 usd
CY2022Q2 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
4200000 usd
CY2021Q2 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
200000 usd
CY2022Q2 us-gaap Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net
DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
-10800000 usd
CY2021Q2 us-gaap Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net
DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
-600000 usd
CY2022Q2 us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
-177400000 usd
CY2021Q2 us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
23300000 usd
CY2022Q2 us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-49600000 usd
CY2021Q2 us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
5900000 usd
CY2022Q2 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-127800000 usd
CY2021Q2 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
17400000 usd
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
-414200000 usd
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
-67600000 usd
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
-107900000 usd
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
-17200000 usd
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-306300000 usd
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-50400000 usd
us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
-200000 usd
us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
-100000 usd
us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
0 usd
us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
0 usd
us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-200000 usd
us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-100000 usd
us-gaap Other Than Temporary Impairment Losses Investments Reclassification Adjustment Of Noncredit Portion From Heldtomaturity To Availableforsale Securities Before Tax
OtherThanTemporaryImpairmentLossesInvestmentsReclassificationAdjustmentOfNoncreditPortionFromHeldtomaturityToAvailableforsaleSecuritiesBeforeTax
-200000 usd
us-gaap Other Than Temporary Impairment Losses Investments Reclassification Adjustment Of Noncredit Portion From Heldtomaturity To Availableforsale Securities Before Tax
OtherThanTemporaryImpairmentLossesInvestmentsReclassificationAdjustmentOfNoncreditPortionFromHeldtomaturityToAvailableforsaleSecuritiesBeforeTax
0 usd
us-gaap Other Comprehensive Loss Held To Maturity Security Reclassification Adjustment From Aoci For Noncredit Portion Of Otti Sale Tax
OtherComprehensiveLossHeldToMaturitySecurityReclassificationAdjustmentFromAociForNoncreditPortionOfOttiSaleTax
100000 usd
us-gaap Other Comprehensive Loss Held To Maturity Security Reclassification Adjustment From Aoci For Noncredit Portion Of Otti Sale Tax
OtherComprehensiveLossHeldToMaturitySecurityReclassificationAdjustmentFromAociForNoncreditPortionOfOttiSaleTax
0 usd
us-gaap Other Comprehensive Loss Held To Maturity Security Reclassification Adjustment From Aoci For Noncredit Portion Of Otti Sale After Tax
OtherComprehensiveLossHeldToMaturitySecurityReclassificationAdjustmentFromAociForNoncreditPortionOfOttiSaleAfterTax
100000 usd
us-gaap Other Comprehensive Loss Held To Maturity Security Reclassification Adjustment From Aoci For Noncredit Portion Of Otti Sale After Tax
OtherComprehensiveLossHeldToMaturitySecurityReclassificationAdjustmentFromAociForNoncreditPortionOfOttiSaleAfterTax
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
23900000 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
-24800000 usd
us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax
5900000 usd
us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax
-6300000 usd
us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax
18000000.0 usd
us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax
-18500000 usd
us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax
6300000 usd
us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax
-900000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
-1100000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
200000 usd
us-gaap Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net
DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
5200000 usd
us-gaap Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net
DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
-700000 usd
us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
-431400000 usd
us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
-43600000 usd
us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-112600000 usd
us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-11100000 usd
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-318800000 usd
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-32500000 usd
CY2021 us-gaap Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax
OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax
15000000.0 usd
CY2022Q2 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
0 usd
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
0 usd
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
0 usd
CY2021Q2 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
0 usd
fibk Real Estate Acquired Through Foreclosure Valuation Adjustments
RealEstateAcquiredThroughForeclosureValuationAdjustments
0 usd

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