$BOKF
BOK FINANCIAL CORP Stock $bokf

$bokf Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-Q Financial Statement

#000087535723000024 Filed on May 03, 2023

Income Statement

Concept	2023 Q1
Revenue	$516.7M
YoY Change	82.53%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$44.80M
YoY Change	12.47%
% of Gross Profit
Depreciation & Amortization	$26.89M
YoY Change	3.01%
% of Gross Profit
Operating Expenses	$44.80M
YoY Change	12.47%
Operating Profit
YoY Change
Interest Expense	$164.4M
YoY Change	1019.15%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$208.4M
YoY Change	164.98%
Income Tax	$45.91M
% Of Pretax Income	22.03%
Net Earnings	$162.4M
YoY Change	159.84%
Net Earnings / Revenue	31.42%
Basic Earnings Per Share	$2.43
Diluted Earnings Per Share	$2.43
COMMON SHARES
Basic Shares Outstanding	66.97M shares
Diluted Shares Outstanding	66.33M shares

Balance Sheet

Concept	2023 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$1.364B
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	$623.1M
YoY Change	8.41%
Goodwill	$1.045B
YoY Change	0.0%
Intangibles	$72.69M
YoY Change	-17.17%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$45.52B
YoY Change	-2.78%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$268.4M
YoY Change	12.79%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$1.600B
YoY Change	49.79%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.868B
YoY Change	684.95%
LONG-TERM LIABILITIES
Long-Term Debt	$167.0M
YoY Change	0.02%
Other Long-Term Liabilities	$1.330B
YoY Change	23.96%
Total Long-Term Liabilities	$1.497B
YoY Change	20.74%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.868B
Total Long-Term Liabilities	$1.497B
Total Liabilities	$40.65B
YoY Change	-3.16%
SHAREHOLDERS EQUITY
Retained Earnings	$4.950B
YoY Change	10.65%
Common Stock	$1.397B
YoY Change	1.12%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$743.9M
YoY Change	26.49%
Treasury Stock Shares
Shareholders Equity	$4.875B
YoY Change
Total Liabilities & Shareholders Equity	$45.52B
YoY Change	-2.78%

Cashflow Statement

Concept	2023 Q1
OPERATING ACTIVITIES
Net Income	$162.4M
YoY Change	159.84%
Depreciation, Depletion And Amortization	$26.89M
YoY Change	3.01%
Cash From Operating Activities	$2.465B
YoY Change	-37.33%
INVESTING ACTIVITIES
Capital Expenditures	$58.71M
YoY Change	-256.14%
Acquisitions
YoY Change
Other Investing Activities	-$254.6M
YoY Change	-70.61%
Cash From Investing Activities	-$313.3M
YoY Change	-65.34%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$2.189B
YoY Change	-51.34%
NET CHANGE
Cash From Operating Activities	$2.465B
Cash From Investing Activities	-$313.3M
Cash From Financing Activities	-$2.189B
Net Change In Cash	-$37.73M
YoY Change	-97.43%
FREE CASH FLOW
Cash From Operating Activities	$2.465B
Capital Expenditures	$58.71M
Free Cash Flow	$2.406B
YoY Change	-39.41%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000875357
CY2023Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2023Q1	dei	Amendment Flag AmendmentFlag	false
CY2023Q1	dei	Document Type DocumentType	10-Q
CY2023Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2023Q1	dei	Document Period End Date DocumentPeriodEndDate	2023-03-31
CY2023Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2023Q1	dei	Entity File Number EntityFileNumber	001-37811
CY2023Q1	dei	Entity Registrant Name EntityRegistrantName	BOK FINANCIAL CORP
CY2023Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	OK
CY2023Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	73-1373454
CY2023Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	Boston Avenue at Second Street
CY2023Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Tulsa,
CY2023Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	OK
CY2023Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	74192
CY2023Q1	dei	City Area Code CityAreaCode	918
CY2023Q1	dei	Local Phone Number LocalPhoneNumber	588-6000
CY2023Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2023Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023Q1	dei	Entity Shell Company EntityShellCompany	false
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	66600833	shares
CY2023Q1	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	367870000	usd
CY2022Q1	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	178373000	usd
CY2023Q1	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	979000	usd
CY2022Q1	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	1394000	usd
CY2023Q1	us-gaap	Interest Income Debt Securities Trading Operating InterestIncomeDebtSecuritiesTradingOperating	34009000	usd
CY2022Q1	us-gaap	Interest Income Debt Securities Trading Operating InterestIncomeDebtSecuritiesTradingOperating	40975000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	8928000	usd
CY2022Q1	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	2354000	usd
CY2023Q1	us-gaap	Interest Income Debt Securities Available For Sale Operating InterestIncomeDebtSecuritiesAvailableForSaleOperating	88736000	usd
CY2022Q1	us-gaap	Interest Income Debt Securities Available For Sale Operating InterestIncomeDebtSecuritiesAvailableForSaleOperating	57932000	usd
CY2023Q1	bokf	Interest Revenue On Fair Value Option Securities InterestRevenueOnFairValueOptionSecurities	3893000	usd
CY2022Q1	bokf	Interest Revenue On Fair Value Option Securities InterestRevenueOnFairValueOptionSecurities	491000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	5808000	usd
CY2022Q1	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	1107000	usd
CY2023Q1	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	6506000	usd
CY2022Q1	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	473000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	516729000	usd
CY2022Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	283099000	usd
CY2023Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	95274000	usd
CY2022Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	7598000	usd
CY2023Q1	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	67038000	usd
CY2022Q1	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	5788000	usd
CY2023Q1	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	2069000	usd
CY2022Q1	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	1302000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	164381000	usd
CY2022Q1	us-gaap	Interest Expense InterestExpense	14688000	usd
CY2023Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	352348000	usd
CY2022Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	268411000	usd
CY2023Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	16000000	usd
CY2022Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	usd
CY2023Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	336348000	usd
CY2022Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	268411000	usd
CY2023Q1	bokf	Total Fees And Commissions TotalFeesAndCommissions	185979000	usd
CY2022Q1	bokf	Total Fees And Commissions TotalFeesAndCommissions	97635000	usd
CY2023Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	2251000	usd
CY2022Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-1644000	usd
CY2023Q1	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-1344000	usd
CY2022Q1	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-46981000	usd
CY2023Q1	bokf	Gain On Fair Value Option Securities Net GainOnFairValueOptionSecuritiesNet	-2962000	usd
CY2022Q1	bokf	Gain On Fair Value Option Securities Net GainOnFairValueOptionSecuritiesNet	-11201000	usd
CY2023Q1	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	6059000	usd
CY2022Q1	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	-49110000	usd
CY2023Q1	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	0	usd
CY2022Q1	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	937000	usd
CY2023Q1	us-gaap	Noninterest Income NoninterestIncome	177865000	usd
CY2022Q1	us-gaap	Noninterest Income NoninterestIncome	87856000	usd
CY2023Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	182145000	usd
CY2022Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	159228000	usd
CY2023Q1	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	8569000	usd
CY2022Q1	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	6513000	usd
CY2023Q1	us-gaap	Professional Fees ProfessionalFees	13048000	usd
CY2022Q1	us-gaap	Professional Fees ProfessionalFees	11413000	usd
CY2023Q1	us-gaap	Occupancy Net OccupancyNet	28459000	usd
CY2022Q1	us-gaap	Occupancy Net OccupancyNet	30855000	usd
CY2023Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	7315000	usd
CY2022Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	4283000	usd
CY2023Q1	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	44802000	usd
CY2022Q1	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	39836000	usd
CY2023Q1	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	3893000	usd
CY2022Q1	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	3689000	usd
CY2023Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3391000	usd
CY2022Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3964000	usd
CY2023Q1	bokf	Mortgage Banking Costs MortgageBankingCosts	5782000	usd
CY2022Q1	bokf	Mortgage Banking Costs MortgageBankingCosts	7877000	usd
CY2023Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	8408000	usd
CY2022Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	9960000	usd
CY2023Q1	us-gaap	Noninterest Expense NoninterestExpense	305812000	usd
CY2022Q1	us-gaap	Noninterest Expense NoninterestExpense	277618000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	208401000	usd
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	78649000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45905000	usd
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16197000	usd
CY2023Q1	us-gaap	Profit Loss ProfitLoss	162496000	usd
CY2022Q1	us-gaap	Profit Loss ProfitLoss	62452000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	124045000	usd
CY2022Q1	us-gaap	Profit Loss ProfitLoss	62452000	usd
CY2023Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	128000	usd
CY2022Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-36000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	162368000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	62488000	usd
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.43
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.91
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.43
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66331775	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67812400	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66331775	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67813851	shares
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.54
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.53
CY2023Q1	us-gaap	Profit Loss ProfitLoss	162496000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-639041000	usd
CY2023Q1	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	-16051000	usd
CY2022Q1	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	0	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	937000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	140096000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-639978000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	31695000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-149781000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	108401000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-490197000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	270897000	usd
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-427745000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	128000	usd
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-36000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	270769000	usd
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-427709000	usd
CY2023Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	792371000	usd
CY2022Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	943810000	usd
CY2023Q1	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	571613000	usd
CY2022Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	457906000	usd
CY2023Q1	us-gaap	Trading Securities TradingSecurities	2294358000	usd
CY2022Q4	us-gaap	Trading Securities TradingSecurities	4464161000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2307686000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2346768000	usd
CY2023Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	2448136000	usd
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	2513687000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	11937841000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	11493860000	usd
CY2023Q1	bokf	Fair Value Option Securities FairValueOptionSecurities	326390000	usd
CY2022Q4	bokf	Fair Value Option Securities FairValueOptionSecurities	296590000	usd
CY2023Q1	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	288181000	usd
CY2022Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	299651000	usd
CY2023Q1	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	74175000	usd
CY2022Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	75272000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	22750053000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	22557150000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	249460000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	235704000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	22500593000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	22321446000	usd
CY2023Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	623112000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	565175000	usd
CY2023Q1	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	265680000	usd
CY2022Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	273815000	usd
CY2023Q1	us-gaap	Goodwill Goodwill	1044749000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	1044749000	usd
CY2023Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	72689000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	76131000	usd
CY2023Q1	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	299803000	usd
CY2022Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	277608000	usd
CY2023Q1	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	4406000	usd
CY2022Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	10115000	usd
CY2023Q1	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	12651000	usd
CY2022Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	14304000	usd
CY2023Q1	us-gaap	Derivative Assets DerivativeAssets	394291000	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	880343000	usd
CY2023Q1	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	408614000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	406751000	usd
CY2023Q1	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	18186000	usd
CY2022Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	31004000	usd
CY2023Q1	us-gaap	Other Assets OtherAssets	1150689000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	1354379000	usd
CY2023Q1	us-gaap	Assets Assets	45524122000	usd
CY2022Q4	us-gaap	Assets Assets	47790642000	usd
CY2023Q1	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	11606975000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	13395337000	usd
CY2023Q1	us-gaap	Demand Deposit Accounts DemandDepositAccounts	18434489000	usd
CY2022Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	18659115000	usd
CY2023Q1	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	962673000	usd
CY2022Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	964411000	usd
CY2023Q1	us-gaap	Time Deposits TimeDeposits	1576610000	usd
CY2022Q4	us-gaap	Time Deposits TimeDeposits	1461842000	usd
CY2023Q1	us-gaap	Deposits Deposits	32580747000	usd
CY2022Q4	us-gaap	Deposits Deposits	34480705000	usd
CY2023Q1	us-gaap	Federal Funds Purchased And Securities Sold Under Agreements To Repurchase FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	1599724000	usd
CY2022Q4	us-gaap	Federal Funds Purchased And Securities Sold Under Agreements To Repurchase FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	2270377000	usd
CY2023Q1	us-gaap	Other Borrowings OtherBorrowings	4735885000	usd
CY2022Q4	us-gaap	Other Borrowings OtherBorrowings	4736908000	usd
CY2023Q1	us-gaap	Subordinated Debt SubordinatedDebt	131148000	usd
CY2022Q4	us-gaap	Subordinated Debt SubordinatedDebt	131205000	usd
CY2023Q1	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	268449000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	296870000	usd
CY2023Q1	us-gaap	Derivative Liabilities DerivativeLiabilities	510483000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	554900000	usd
CY2023Q1	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	262492000	usd
CY2022Q4	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	147470000	usd
CY2023Q1	us-gaap	Other Liabilities OtherLiabilities	557167000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	484849000	usd
CY2023Q1	us-gaap	Liabilities Liabilities	40646095000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	43103284000	usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.00006
CY2023Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.00006
CY2023Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2500000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2500000000	shares
CY2023Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	76555507	shares
CY2023Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	76555507	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	76423345	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	76423345	shares
CY2023Q1	us-gaap	Common Stock Value CommonStockValue	5000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	5000	usd
CY2023Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1397096000	usd
CY2022Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1390395000	usd
CY2023Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	4950176000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	4824164000	usd
CY2023Q1	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	9954674	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	9464711	shares
CY2023Q1	us-gaap	Treasury Stock Value TreasuryStockValue	743937000	usd
CY2022Q4	us-gaap	Treasury Stock Value TreasuryStockValue	694960000	usd
CY2023Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-728554000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-836955000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	4874786000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	4682649000	usd
CY2023Q1	us-gaap	Minority Interest MinorityInterest	3241000	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	4709000	usd
CY2023Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4878027000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4687358000	usd
CY2023Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	45524122000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	47790642000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4687358000	usd
CY2023Q1	us-gaap	Profit Loss ProfitLoss	162496000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	108401000	usd
CY2023Q1	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	44476000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised Net Of Tax Benefit Expense StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense	0	usd
CY2023Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	4501000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6701000	usd
CY2023Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	36356000	usd
CY2023Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1596000	usd
CY2023Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4878027000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5368371000	usd
CY2022Q1	us-gaap	Profit Loss ProfitLoss	62452000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-490197000	usd
CY2022Q1	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	48074000	usd
CY2022Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised Net Of Tax Benefit Expense StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense	37000	usd
CY2022Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	4944000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2835000	usd
CY2022Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	36295000	usd
CY2022Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	661000	usd
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4853524000	usd
CY2023Q1	us-gaap	Profit Loss ProfitLoss	162496000	usd
CY2022Q1	us-gaap	Profit Loss ProfitLoss	62452000	usd
CY2023Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	16000000	usd
CY2022Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	usd
CY2023Q1	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	6059000	usd
CY2022Q1	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	-49110000	usd
CY2023Q1	bokf	Changeinfairvalueofmortgageservicingrightsduetoloanrunoff Changeinfairvalueofmortgageservicingrightsduetoloanrunoff	5382000	usd
CY2022Q1	bokf	Changeinfairvalueofmortgageservicingrightsduetoloanrunoff Changeinfairvalueofmortgageservicingrightsduetoloanrunoff	7960000	usd
CY2023Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-61704000	usd
CY2022Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	31298000	usd
CY2023Q1	us-gaap	Share Based Compensation ShareBasedCompensation	6701000	usd
CY2022Q1	us-gaap	Share Based Compensation ShareBasedCompensation	2835000	usd
CY2023Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	26885000	usd
CY2022Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	26091000	usd
CY2023Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	4163000	usd
CY2022Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-3216000	usd
CY2023Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	2009000	usd
CY2022Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-706000	usd
CY2023Q1	bokf	Netgainonmortgageloansheldforsale Netgainonmortgageloansheldforsale	-1361000	usd
CY2022Q1	bokf	Netgainonmortgageloansheldforsale Netgainonmortgageloansheldforsale	1056000	usd
CY2023Q1	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	138624000	usd
CY2022Q1	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	418866000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	139088000	usd
CY2022Q1	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	446742000	usd
CY2023Q1	bokf	Capitalizedmortgageservicingrights Capitalizedmortgageservicingrights	2498000	usd
CY2022Q1	bokf	Capitalizedmortgageservicingrights Capitalizedmortgageservicingrights	5215000	usd
CY2023Q1	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-2140101000	usd
CY2022Q1	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-4104453000	usd
CY2023Q1	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-11032000	usd
CY2022Q1	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	88559000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-6721000	usd
CY2022Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	19589000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	28544000	usd
CY2022Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-107508000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2464780000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3933254000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	64514000	usd
CY2022Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	26363000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	313935000	usd
CY2022Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	723730000	usd
CY2023Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	631168000	usd
CY2022Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1161606000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2022Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	55185000	usd
CY2023Q1	bokf	Change In Amount Receivable On Unsettled Security Transactions ChangeInAmountReceivableOnUnsettledSecurityTransactions	9864000	usd
CY2022Q1	bokf	Change In Amount Receivable On Unsettled Security Transactions ChangeInAmountReceivableOnUnsettledSecurityTransactions	-99944000	usd
CY2023Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	187088000	usd
CY2022Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	460128000	usd
CY2023Q1	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	-156522000	usd
CY2022Q1	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	-34855000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	11470000	usd
CY2022Q1	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	5724000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	7401000	usd
CY2022Q1	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	9708000	usd
CY2023Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	58710000	usd
CY2022Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	37569000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-313260000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-903682000	usd
CY2023Q1	bokf	Net Change In Demand Deposits Transaction Deposits And Savings Accounts NetChangeInDemandDepositsTransactionDepositsAndSavingsAccounts	-2014726000	usd
CY2022Q1	bokf	Net Change In Demand Deposits Transaction Deposits And Savings Accounts NetChangeInDemandDepositsTransactionDepositsAndSavingsAccounts	-1626196000	usd
CY2023Q1	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	114768000	usd
CY2022Q1	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-189912000	usd
CY2023Q1	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-677232000	usd
CY2022Q1	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-1271195000	usd
CY2023Q1	us-gaap	Payments For Proceeds From Derivative Instrument Financing Activities PaymentsForProceedsFromDerivativeInstrumentFinancingActivities	158021000	usd
CY2022Q1	us-gaap	Payments For Proceeds From Derivative Instrument Financing Activities PaymentsForProceedsFromDerivativeInstrumentFinancingActivities	30779000	usd
CY2023Q1	bokf	Net Change In Derivative Margin Accounts NetChangeInDerivativeMarginAccounts	579188000	usd
CY2022Q1	bokf	Net Change In Derivative Margin Accounts NetChangeInDerivativeMarginAccounts	-1274645000	usd
CY2023Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	52104000	usd
CY2022Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-17198000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	-4501000	usd
CY2022Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	-4907000	usd
CY2023Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	44476000	usd
CY2022Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	48074000	usd
CY2023Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	36356000	usd
CY2022Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	36295000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2189252000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-4499201000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-37732000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1469629000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1401716000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2837410000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1363984000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1367781000	usd
CY2023Q1	us-gaap	Interest Paid Net InterestPaidNet	163960000	usd
CY2022Q1	us-gaap	Interest Paid Net InterestPaidNet	13982000	usd
CY2023Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	733000	usd
CY2022Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	858000	usd
CY2023Q1	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	225000	usd
CY2022Q1	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	64000	usd
CY2023Q1	bokf	Increase In Us Government Guaranteed Loans Eligible For Repurchase IncreaseInUSGovernmentGuaranteedLoansEligibleForRepurchase	5556000	usd
CY2022Q1	bokf	Increase In Us Government Guaranteed Loans Eligible For Repurchase IncreaseInUSGovernmentGuaranteedLoansEligibleForRepurchase	12568000	usd
CY2023Q1	bokf	Conveyance Of Other Real Estate Owned Guaranteed By Us Govt ConveyanceOfOtherRealEstateOwnedGuaranteedByUsGovt	1150000	usd
CY2022Q1	bokf	Conveyance Of Other Real Estate Owned Guaranteed By Us Govt ConveyanceOfOtherRealEstateOwnedGuaranteedByUsGovt	1812000	usd
CY2023Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	63521000	usd
CY2022Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	9241000	usd
CY2023Q1	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain reclassifications have been made to conform to the current period presentation.
CY2023Q1	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2294358000	usd
CY2023Q1	bokf	Trading Securities Net Unrealized Gains Losses TradingSecuritiesNetUnrealizedGainsLosses	12566000	usd
CY2022Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	4464161000	usd
CY2022Q4	bokf	Trading Securities Net Unrealized Gains Losses TradingSecuritiesNetUnrealizedGainsLosses	-323000	usd
CY2023Q1	bokf	Debt Securities Heldtomaturitygross DebtSecuritiesHeldtomaturitygross	2657577000	usd
CY2023Q1	bokf	Debt Securities Held To Maturity Carrying Value DebtSecuritiesHeldToMaturityCarryingValue	2448633000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2307686000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	7484000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	148431000	usd
CY2023Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	497000	usd
CY2023Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	497000	usd
CY2023Q1	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	2657080000	usd
CY2023Q1	bokf	Debt Securities Held To Maturity Carrying Value After Allowance For Credit Loss DebtSecuritiesHeldToMaturityCarryingValueAfterAllowanceForCreditLoss	2448136000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2307686000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	7484000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	148431000	usd
CY2023Q1	bokf	Debt Securities Net Unrealized Loss Remaining In Aoci Included In Carrying Value For Afs Securities Transferred To Investment Securities DebtSecuritiesNetUnrealizedLossRemainingInAOCIIncludedInCarryingValueForAFSSecuritiesTransferredToInvestmentSecurities	-209000000	usd
CY2022Q4	bokf	Debt Securities Heldtomaturitygross DebtSecuritiesHeldtomaturitygross	2739241000	usd
CY2022Q4	bokf	Debt Securities Held To Maturity Carrying Value DebtSecuritiesHeldToMaturityCarryingValue	2514245000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2346768000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	6611000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	174088000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	558000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	558000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	2738683000	usd
CY2022Q4	bokf	Debt Securities Held To Maturity Carrying Value After Allowance For Credit Loss DebtSecuritiesHeldToMaturityCarryingValueAfterAllowanceForCreditLoss	2513687000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2346768000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	6611000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	174088000	usd
CY2022	bokf	Debt Securities Net Unrealized Loss Remaining In Aoci Included In Carrying Value For Afs Securities Transferred To Investment Securities DebtSecuritiesNetUnrealizedLossRemainingInAOCIIncludedInCarryingValueForAFSSecuritiesTransferredToInvestmentSecurities	-225000000	usd
CY2023Q1	bokf	Debt Securities Held To Maturity Carrying Value DebtSecuritiesHeldToMaturityCarryingValue	2448633000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2307686000	usd
CY2023Q1	us-gaap	Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	130
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	2139747000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	148134000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	8448000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	297000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	2148195000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	148431000	usd
CY2022Q4	us-gaap	Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	143
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	2184167000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	174012000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	801000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	76000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	2184968000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	174088000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	12679349000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	11937841000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	33726000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	775234000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	12359413000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	11493860000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	28661000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	894214000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	12679349000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	11937841000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2022Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	55185000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2022Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1933000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment	0	usd
CY2022Q1	us-gaap	Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment	996000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	219000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	1153
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	2648291000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	60748000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	7485234000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	714486000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	10133525000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	775234000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	1153
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	6173710000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	376598000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	3829168000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	517616000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	10002878000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	894214000	usd
CY2023Q1	bokf	Fair Value Option Securities FairValueOptionSecurities	326390000	usd
CY2023Q1	bokf	Fair Value Option Securities Unrealized Gainor Loss FairValueOptionSecuritiesUnrealizedGainorLoss	609000	usd
CY2022Q4	bokf	Fair Value Option Securities FairValueOptionSecurities	296590000	usd
CY2022Q4	bokf	Fair Value Option Securities Unrealized Gainor Loss FairValueOptionSecuritiesUnrealizedGainorLoss	338000	usd
CY2023Q1	bokf	Loans Number Of Days Past Due For Non Risk Graded Loan To Be Placed On Nonaccruing Status LoansNumberOfDaysPastDueForNonRiskGradedLoanToBePlacedOnNonaccruingStatus	P90D
CY2023Q1	bokf	Loans Number Of Days After Notification Of Chapter7 Bankruptcy Non Risk Graded Loan Is Placed On Nonaccruing Status LoansNumberOfDaysAfterNotificationOfChapter7BankruptcyNonRiskGradedLoanIsPlacedOnNonaccruingStatus	P60D
CY2023Q1	bokf	Minimum No Of Days After Which Past Due Non Risk Graded Loans Are Charged Off MinimumNoOfDaysAfterWhichPastDueNonRiskGradedLoansAreChargedOff	P60D
CY2023Q1	bokf	Max No Of Days After Which Past Due Non Risk Graded Loans Are Charged Off MaxNoOfDaysAfterWhichPastDueNonRiskGradedLoansAreChargedOff	P180D
CY2023Q1	bokf	Loans Number Of Days After Notification Of Chapter7 Bankruptcy Non Risk Graded Loan Is Charged Off LoansNumberOfDaysAfterNotificationOfChapter7BankruptcyNonRiskGradedLoanIsChargedOff	P60D
CY2023Q1	us-gaap	Loans Receivable With Fixed Rates Of Interest1 LoansReceivableWithFixedRatesOfInterest1	6432171000	usd
CY2023Q1	us-gaap	Loans Receivable With Variable Rates Of Interest1 LoansReceivableWithVariableRatesOfInterest1	16197587000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	120295000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	22750053000	usd
CY2022Q4	us-gaap	Loans Receivable With Fixed Rates Of Interest1 LoansReceivableWithFixedRatesOfInterest1	6366303000	usd
CY2022Q4	us-gaap	Loans Receivable With Variable Rates Of Interest1 LoansReceivableWithVariableRatesOfInterest1	16069050000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	121797000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	22557150000	usd
CY2023Q1	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	15100000000	usd
CY2023Q1	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	790000000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	235704000	usd
CY2023Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	14525000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	3667000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2898000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	249460000	usd
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	60919000	usd
CY2023Q1	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	2024000	usd
CY2023Q1	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	62943000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	256421000	usd
CY2022Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-3967000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	7805000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1824000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	246473000	usd
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	32977000	usd
CY2022Q1	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	3268000	usd
CY2022Q1	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	36245000	usd
CY2023Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	16000000	usd
CY2023Q1	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	22629758000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	245427000	usd
CY2023Q1	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	120295000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	4033000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	22750053000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	249460000	usd
CY2022Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	22435353000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	230134000	usd
CY2022Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	121797000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	5570000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	22557150000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	235704000	usd
CY2023Q1	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	840927000	usd
CY2023Q1	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	4425700000	usd
CY2023Q1	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	3248207000	usd
CY2023Q1	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	2020125000	usd
CY2023Q1	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	1680558000	usd
CY2023Q1	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	3868349000	usd
CY2023Q1	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	6641089000	usd
CY2023Q1	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	25098000	usd
CY2023Q1	us-gaap	Notes Receivable Gross NotesReceivableGross	22750053000	usd
CY2022Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	4453665000	usd
CY2022Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	3294886000	usd
CY2022Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	2107063000	usd
CY2022Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	1734561000	usd
CY2022Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	1157972000	usd
CY2022Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	2992242000	usd
CY2022Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	6790248000	usd
CY2022Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	26513000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	22557150000	usd
CY2023Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	120295000	usd
CY2023Q1	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	98545000	usd
CY2023Q1	bokf	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	21750000	usd
CY2023Q1	bokf	Financing Receivable Nonaccrual Related Allowance FinancingReceivableNonaccrualRelatedAllowance	4033000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	121797000	usd
CY2022Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	90854000	usd
CY2022Q4	bokf	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	30943000	usd
CY2022Q4	bokf	Financing Receivable Nonaccrual Related Allowance FinancingReceivableNonaccrualRelatedAllowance	5570000	usd
CY2023Q1	bokf	Financing Receivable Modified In Period Amount FinancingReceivableModifiedInPeriodAmount	35000000	usd
CY2023Q1	us-gaap	Notes Receivable Gross NotesReceivableGross	22750053000	usd
CY2023Q1	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	65056000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	22557150000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	76114000	usd
CY2023Q1	bokf	Residential Mortgage Loans Held For Sale Unpaid Principal Balance Gross ResidentialMortgageLoansHeldForSaleUnpaidPrincipalBalanceGross	72746000	usd
CY2023Q1	bokf	Fair Valueof Residential Mortgage Loans Heldfor Sale FairValueofResidentialMortgageLoansHeldforSale	72113000	usd
CY2022Q4	bokf	Residential Mortgage Loans Held For Sale Unpaid Principal Balance Gross ResidentialMortgageLoansHeldForSaleUnpaidPrincipalBalanceGross	74941000	usd
CY2022Q4	bokf	Fair Valueof Residential Mortgage Loans Heldfor Sale FairValueofResidentialMortgageLoansHeldforSale	73938000	usd
CY2023Q1	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	74175000	usd
CY2022Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	75272000	usd
CY2022Q4	bokf	Residential Mortgage Loans Held For Sale Nonperforming ResidentialMortgageLoansHeldForSaleNonperforming	0	usd
CY2023Q1	bokf	Residential Mortgage Loans Held For Sale Nonperforming ResidentialMortgageLoansHeldForSaleNonperforming	0	usd
CY2022Q1	bokf	Number Of Days For Past Due Residential Mortgage Loans Heldfor Sale NumberOfDaysForPastDueResidentialMortgageLoansHeldforSale	P90D
CY2023Q1	bokf	Number Of Days For Past Due Residential Mortgage Loans Heldfor Sale NumberOfDaysForPastDueResidentialMortgageLoansHeldforSale	P90D
CY2023Q1	bokf	Credit Losses Recognized On Residential Mortgage Loans Held For Sale CreditLossesRecognizedOnResidentialMortgageLoansHeldForSale	0	usd
CY2022Q1	bokf	Credit Losses Recognized On Residential Mortgage Loans Held For Sale CreditLossesRecognizedOnResidentialMortgageLoansHeldForSale	0	usd
CY2023Q1	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	-1731000	usd
CY2022Q1	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	6883000	usd
CY2023Q1	bokf	Netchangeinunrealizedgainonmortgageloansheldforsale Netchangeinunrealizedgainonmortgageloansheldforsale	370000	usd
CY2022Q1	bokf	Netchangeinunrealizedgainonmortgageloansheldforsale Netchangeinunrealizedgainonmortgageloansheldforsale	-5827000	usd
CY2023Q1	bokf	Changeinfairvalueofmortgageloancommitments Changeinfairvalueofmortgageloancommitments	1640000	usd
CY2022Q1	bokf	Changeinfairvalueofmortgageloancommitments Changeinfairvalueofmortgageloancommitments	-3298000	usd
CY2023Q1	bokf	Changeinthefairvalueofforwardsalescommitments Changeinthefairvalueofforwardsalescommitments	-912000	usd
CY2022Q1	bokf	Changeinthefairvalueofforwardsalescommitments Changeinthefairvalueofforwardsalescommitments	7297000	usd
CY2023Q1	bokf	Mortgage Production Revenue MortgageProductionRevenue	-633000	usd
CY2022Q1	bokf	Mortgage Production Revenue MortgageProductionRevenue	5055000	usd
CY2023Q1	bokf	Mortgage Servicing Fees MortgageServicingFees	15000000	usd
CY2022Q1	bokf	Mortgage Servicing Fees MortgageServicingFees	11595000	usd
CY2023Q1	bokf	Mortgage Banking Revenue MortgageBankingRevenue	14367000	usd
CY2022Q1	bokf	Mortgage Banking Revenue MortgageBankingRevenue	16650000	usd
CY2023Q1	bokf	Residential Mortgage Loans Serviced Number Of Loans ResidentialMortgageLoansServicedNumberOfLoans	118303
CY2022Q4	bokf	Residential Mortgage Loans Serviced Number Of Loans ResidentialMortgageLoansServicedNumberOfLoans	110541
CY2023Q1	bokf	Residential Mortgage Loans Serviced Outstanding Principal ResidentialMortgageLoansServicedOutstandingPrincipal	21009762000	usd
CY2022Q4	bokf	Residential Mortgage Loans Serviced Outstanding Principal ResidentialMortgageLoansServicedOutstandingPrincipal	18863201000	usd
CY2023Q1	bokf	Weighted Average Interest Rateof Loans Servicedfor Others WeightedAverageInterestRateofLoansServicedforOthers	0.0355
CY2022Q4	bokf	Weighted Average Interest Rateof Loans Servicedfor Others WeightedAverageInterestRateofLoansServicedforOthers	0.0359
CY2023Q1	bokf	Residential Mortgage Loans Serviced Weighted Average Remaining Term ResidentialMortgageLoansServicedWeightedAverageRemainingTerm	P285M
CY2022	bokf	Residential Mortgage Loans Serviced Weighted Average Remaining Term ResidentialMortgageLoansServicedWeightedAverageRemainingTerm	P283M
CY2022Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	277608000	usd
CY2021Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	163198000	usd
CY2023Q1	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	2500000	usd
CY2022Q1	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	5215000	usd
CY2023Q1	bokf	Servicing Asset At Fair Value Acquisitions ServicingAssetAtFairValueAcquisitions	31138000	usd
CY2022Q1	bokf	Servicing Asset At Fair Value Acquisitions ServicingAssetAtFairValueAcquisitions	0	usd
CY2023Q1	bokf	Change In Fair Value Due To Loan Runoff ChangeInFairValueDueToLoanRunoff	-5384000	usd
CY2022Q1	bokf	Change In Fair Value Due To Loan Runoff ChangeInFairValueDueToLoanRunoff	-7960000	usd
CY2023Q1	us-gaap	Asset At Fair Value Changes In Fair Value Resulting From Changes In Assumptions AssetAtFairValueChangesInFairValueResultingFromChangesInAssumptions	-6059000	usd
CY2022Q1	us-gaap	Asset At Fair Value Changes In Fair Value Resulting From Changes In Assumptions AssetAtFairValueChangesInFairValueResultingFromChangesInAssumptions	49110000	usd
CY2023Q1	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	299803000	usd
CY2022Q1	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	209563000	usd
CY2023Q1	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.0895
CY2022	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.0951
CY2023Q1	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0743
CY2022	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0754
CY2023Q1	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Performing Loan Service Cost Minimum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValuePerformingLoanServiceCostMinimum	69	usd
CY2023Q1	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Performing Loan Service Cost Maximum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValuePerformingLoanServiceCostMaximum	94	usd
CY2022	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Performing Loan Service Cost Minimum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValuePerformingLoanServiceCostMinimum	69	usd
CY2022	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Performing Loan Service Cost Maximum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValuePerformingLoanServiceCostMaximum	94	usd
CY2023Q1	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Delinquent Loan Service Cost Minimum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValueDelinquentLoanServiceCostMinimum	150	usd
CY2023Q1	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Delinquent Loan Svc Cost Maximum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValueDelinquentLoanSvcCostMaximum	500	usd
CY2022	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Delinquent Loan Service Cost Minimum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValueDelinquentLoanServiceCostMinimum	150	usd
CY2022	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Delinquent Loan Svc Cost Maximum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValueDelinquentLoanSvcCostMaximum	500	usd
CY2023Q1	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Foreclosure Loan Service Cost Minimum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValueForeclosureLoanServiceCostMinimum	875	usd
CY2023Q1	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Foreclosure Loan Service Cost Maximum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValueForeclosureLoanServiceCostMaximum	8000	usd
CY2022	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Foreclosure Loan Service Cost Minimum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValueForeclosureLoanServiceCostMinimum	875	usd
CY2022	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Foreclosure Loan Service Cost Maximum ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValueForeclosureLoanServiceCostMaximum	8000	usd
CY2023Q1	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Escrow Earnings Rate ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValueEscrowEarningsRate	0.0366
CY2022	bokf	Servicing Assets At Fair Value Assumptions Used To Estimate Fair Value Escrow Earnings Rate ServicingAssetsAtFairValueAssumptionsUsedToEstimateFairValueEscrowEarningsRate	0.0406
CY2023Q1	bokf	Primarysecondarymortgageratespread Primarysecondarymortgageratespread	105
CY2022Q4	bokf	Primarysecondarymortgageratespread Primarysecondarymortgageratespread	105
CY2023Q1	bokf	Servicing Assetsand Servicing Liabilitiesat Fair Value Assumptions Usedto Estimate Fair Value Delinquency Rate ServicingAssetsandServicingLiabilitiesatFairValueAssumptionsUsedtoEstimateFairValueDelinquencyRate	0.0140
CY2022	bokf	Servicing Assetsand Servicing Liabilitiesat Fair Value Assumptions Usedto Estimate Fair Value Delinquency Rate ServicingAssetsandServicingLiabilitiesatFairValueAssumptionsUsedtoEstimateFairValueDelinquencyRate	0.0233
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.54
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.53
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	72371000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-639041000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	937000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-639978000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-149781000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-490197000	usd
CY2022Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-417826000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-836955000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	124045000	usd
CY2023Q1	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	-16051000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	140096000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	31695000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	108401000	usd
CY2023Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-728554000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	162368000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	62488000	usd
CY2023Q1	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1255000	usd
CY2022Q1	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	451000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	161113000	usd
CY2022Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	62037000	usd
CY2023Q1	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
CY2022Q1	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	161113000	usd
CY2022Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	62037000	usd
CY2023Q1	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	66849288	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	68306107	shares
CY2023Q1	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	517513	shares
CY2022Q1	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	493707	shares
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66331775	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67812400	shares
CY2023Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2022Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1451	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66331775	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67813851	shares
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.43
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.91
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.43
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
CY2023Q1	bokf	Nir Expense From External Sources NirExpenseFromExternalSources	352348000	usd
CY2023Q1	bokf	Ni Rexpensefrominternalsources NIRexpensefrominternalsources	0	usd
CY2023Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	352348000	usd
CY2023Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	16000000	usd
CY2023Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	336348000	usd
CY2023Q1	us-gaap	Noninterest Income NoninterestIncome	177865000	usd
CY2023Q1	us-gaap	Noninterest Expense NoninterestExpense	305812000	usd
CY2023Q1	bokf	Netdirectcontribution Netdirectcontribution	208401000	usd
CY2023Q1	bokf	Gain Losson Financial Instruments Net GainLossonFinancialInstrumentsNet	0	usd
CY2023Q1	bokf	Segment Reporting Changein Fair Valueof Mortgage Servicing Rights SegmentReportingChangeinFairValueofMortgageServicingRights	0	usd
CY2023Q1	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	0	usd
CY2023Q1	bokf	Corporate Expense Allocations CorporateExpenseAllocations	0	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	208401000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45905000	usd
CY2023Q1	us-gaap	Profit Loss ProfitLoss	162496000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	128000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	162368000	usd
CY2023Q1	bokf	Average Assets For Reporting Period AverageAssetsForReportingPeriod	45982468000	usd
CY2022Q1	bokf	Nir Expense From External Sources NirExpenseFromExternalSources	268411000	usd
CY2022Q1	bokf	Ni Rexpensefrominternalsources NIRexpensefrominternalsources	0	usd
CY2022Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	268411000	usd
CY2022Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	usd
CY2022Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	268411000	usd
CY2022Q1	us-gaap	Noninterest Income NoninterestIncome	87856000	usd
CY2022Q1	us-gaap	Noninterest Expense NoninterestExpense	277618000	usd
CY2022Q1	bokf	Netdirectcontribution Netdirectcontribution	78649000	usd
CY2022Q1	bokf	Gain Losson Financial Instruments Net GainLossonFinancialInstrumentsNet	0	usd
CY2022Q1	bokf	Segment Reporting Changein Fair Valueof Mortgage Servicing Rights SegmentReportingChangeinFairValueofMortgageServicingRights	0	usd
CY2022Q1	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	0	usd
CY2022Q1	bokf	Corporate Expense Allocations CorporateExpenseAllocations	0	usd
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	78649000	usd
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16197000	usd
CY2022Q1	us-gaap	Profit Loss ProfitLoss	62452000	usd
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-36000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	62488000	usd
CY2022Q1	bokf	Average Assets For Reporting Period AverageAssetsForReportingPeriod	50561074000	usd

Files In Submission

Name	View Source	Status
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0000875357-23-000024-index.html	Edgar Link	pending
0000875357-23-000024.txt	Edgar Link	pending
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bokf-20230331_def.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable

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$BOKF
BOK FINANCIAL CORP Stock $bokf

2023 Q1 Form 10-Q Financial Statement

#000087535723000024 Filed on May 03, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BOKF BOK FINANCIAL CORP Stock $bokf

2023 Q1 Form 10-Q Financial Statement

#000087535723000024 Filed on May 03, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BOKF
BOK FINANCIAL CORP Stock $bokf