$BKU
BankUnited, Inc. Stock $bku

$bku Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000150400822000037 Filed on November 01, 2022

Income Statement

Concept	2022 Q4	2022 Q3
Revenue	$401.5M	$6.064M
YoY Change	68.78%	-97.41%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$19.81M
YoY Change		18.73%
% of Gross Profit
Depreciation & Amortization	$19.89M	$19.58M
YoY Change	-11.22%	3.07%
% of Gross Profit
Operating Expenses		$19.81M
YoY Change		18.73%
Operating Profit
YoY Change
Interest Expense	$158.4M	$90.19M
YoY Change	397.28%	129.94%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$81.79M	$117.1M
YoY Change	28.74%	2.35%
Income Tax	$17.59M	$29.23M
% Of Pretax Income	21.5%	24.97%
Net Earnings	$62.69M	$87.85M
YoY Change	-49.95%	1.05%
Net Earnings / Revenue	15.61%	1448.71%
Basic Earnings Per Share	$0.83	$1.13
Diluted Earnings Per Share	$826.6K	$1.139M
COMMON SHARES
Basic Shares Outstanding	77.27M shares	77.92M shares
Diluted Shares Outstanding		77.12M shares

Balance Sheet

Concept	2022 Q4	2022 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$572.6M	$726.1M
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	$539.8M	$579.7M
YoY Change	851.46%	-12.17%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$37.03B	$36.59B
YoY Change	3.38%	3.65%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$190.0M	$0.00
YoY Change	-4.52%	-100.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$190.0M
YoY Change	-4.52%
LONG-TERM LIABILITIES
Long-Term Debt	$720.9M	$721.0M
YoY Change	-0.01%	-0.13%
Other Long-Term Liabilities	$750.5M	$748.8M
YoY Change	46.01%	0.91%
Total Long-Term Liabilities	$1.471B	$1.470B
YoY Change	19.14%	0.4%
TOTAL LIABILITIES
Total Short-Term Liabilities	$190.0M
Total Long-Term Liabilities	$1.471B	$1.470B
Total Liabilities	$34.59B	$34.11B
YoY Change	5.53%	5.91%
SHAREHOLDERS EQUITY
Retained Earnings	$2.551B	$2.507B
YoY Change	8.79%	11.9%
Common Stock	$757.0K	$776.0K
YoY Change	-11.57%	-13.78%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.436B	$2.481B
YoY Change
Total Liabilities & Shareholders Equity	$37.03B	$36.59B
YoY Change	3.38%	3.65%

Cashflow Statement

Concept	2022 Q4	2022 Q3
OPERATING ACTIVITIES
Net Income	$62.69M	$87.85M
YoY Change	-49.95%	1.05%
Depreciation, Depletion And Amortization	$19.89M	$19.58M
YoY Change	-11.22%	3.07%
Cash From Operating Activities	-$23.32M	$261.7M
YoY Change	-108.73%	-30.25%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$475.1M	-$217.6M
YoY Change	-52.87%	164.41%
Cash From Investing Activities	-$475.1M	-$217.6M
YoY Change	-52.87%	148.42%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	345.0M	168.3M
YoY Change	-37.15%	-124.89%
NET CHANGE
Cash From Operating Activities	-23.32M	261.7M
Cash From Investing Activities	-475.1M	-217.6M
Cash From Financing Activities	345.0M	168.3M
Net Change In Cash	-153.5M	212.4M
YoY Change	-20.1%	-154.68%
FREE CASH FLOW
Cash From Operating Activities	-$23.32M	$261.7M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.240
	dei	Entity Address Address Line1 EntityAddressAddressLine1	14817 Oak Lane
	dei	Entity Address City Or Town EntityAddressCityOrTown	Miami Lakes
	dei	Entity Address State Or Province EntityAddressStateOrProvince	FL
	dei	Entity Central Index Key EntityCentralIndexKey	0001504008
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Entity File Number EntityFileNumber	001-35039
	dei	Entity Registrant Name EntityRegistrantName	BankUnited, Inc.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-0162450
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	33016
	dei	City Area Code CityAreaCode	305
	dei	Local Phone Number LocalPhoneNumber	569-2000
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	77270109	shares
CY2022Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	18380000	usd
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	19143000	usd
CY2022Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	707758000	usd
CY2021Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	295714000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	726138000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	314857000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	645669000	usd
CY2022Q3	bku	Investmentsecuritiesrecordedatfairvalue Investmentsecuritiesrecordedatfairvalue	9787427000	usd
CY2021Q4	bku	Investmentsecuritiesrecordedatfairvalue Investmentsecuritiesrecordedatfairvalue	10054198000	usd
CY2022Q3	us-gaap	Investments Investments	9797427000	usd
CY2021Q4	us-gaap	Investments Investments	10064198000	usd
CY2022Q3	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	261784000	usd
CY2021Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	135859000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	24266732000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	23765053000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	24136061000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	23638596000	usd
CY2022Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	308176000	usd
CY2021Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	309477000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	579693000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	640726000	usd
CY2022Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	77637000	usd
CY2021Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	77637000	usd
CY2022Q3	us-gaap	Other Assets OtherAssets	707978000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	634046000	usd
CY2022Q3	us-gaap	Assets Assets	36594894000	usd
CY2021Q4	us-gaap	Assets Assets	35815396000	usd
CY2022Q3	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	8794109000	usd
CY2021Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	8975621000	usd
CY2022Q3	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	2341342000	usd
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	3709493000	usd
CY2022Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	12513398000	usd
CY2021Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	13368745000	usd
CY2022Q3	us-gaap	Time Deposits TimeDeposits	3700226000	usd
CY2021Q4	us-gaap	Time Deposits TimeDeposits	3384243000	usd
CY2022Q3	us-gaap	Deposits Deposits	27349075000	usd
CY2021Q4	us-gaap	Deposits Deposits	29438102000	usd
CY2022Q3	us-gaap	Federal Funds Purchased FederalFundsPurchased	0	usd
CY2021Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	199000000	usd
CY2022Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	5295000000	usd
CY2021Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	1905000000	usd
CY2022Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	721045000	usd
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	721416000	usd
CY2022Q3	us-gaap	Other Liabilities OtherLiabilities	748789000	usd
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	514117000	usd
CY2022Q3	us-gaap	Liabilities Liabilities	34113909000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	32777635000	usd
CY2022Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2022Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	77599408	shares
CY2022Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	77599408	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	85647986	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	85647986	shares
CY2022Q3	us-gaap	Common Stock Value CommonStockValue	776000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	856000	usd
CY2022Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	381411000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	707503000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2506539000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2345342000	usd
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-407741000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-15940000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	2480985000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	3037761000	usd
CY2022Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	36594894000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	35815396000	usd
CY2022Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	244884000	usd
CY2021Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	194689000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	602544000	usd
CY2022Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	77109000	usd
CY2021Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	38243000	usd
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	174928000	usd
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	114418000	usd
CY2022Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	4031000	usd
CY2021Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1413000	usd
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	8364000	usd
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	4613000	usd
CY2022Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	326024000	usd
CY2021Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	234345000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	828961000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	721575000	usd
CY2022Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	53206000	usd
CY2021Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	14273000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	85569000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	53965000	usd
CY2022Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	36982000	usd
CY2021Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	24950000	usd
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	73498000	usd
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	77937000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	90188000	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	39223000	usd
	us-gaap	Interest Expense InterestExpense	159067000	usd
	us-gaap	Interest Expense InterestExpense	131902000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	235836000	usd
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	195122000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	669894000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	589673000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3720000	usd
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-11842000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	35546000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-67365000	usd
CY2022Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	232116000	usd
CY2021Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	206964000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	634348000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	657038000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	6064000	usd
CY2021Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	5553000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	17920000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	15870000	usd
CY2022Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	135000	usd
CY2021Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	-664000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	-16125000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	5856000	usd
CY2022Q3	us-gaap	Sublease Income SubleaseIncome	13180000	usd
CY2021Q3	us-gaap	Sublease Income SubleaseIncome	13212000	usd
	us-gaap	Sublease Income SubleaseIncome	39958000	usd
	us-gaap	Sublease Income SubleaseIncome	39222000	usd
CY2022Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3693000	usd
CY2021Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	7377000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	9070000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	27583000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	23072000	usd
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	25478000	usd
	us-gaap	Noninterest Income NoninterestIncome	50823000	usd
	us-gaap	Noninterest Income NoninterestIncome	88531000	usd
CY2022Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	66097000	usd
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	57224000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	195646000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	172971000	usd
CY2022Q3	us-gaap	Occupancy Net OccupancyNet	11719000	usd
CY2021Q3	us-gaap	Occupancy Net OccupancyNet	11760000	usd
	us-gaap	Occupancy Net OccupancyNet	34630000	usd
	us-gaap	Occupancy Net OccupancyNet	35127000	usd
CY2022Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	4398000	usd
CY2021Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3552000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	11794000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	15224000	usd
CY2022Q3	us-gaap	Professional Fees ProfessionalFees	3184000	usd
CY2021Q3	us-gaap	Professional Fees ProfessionalFees	2312000	usd
	us-gaap	Professional Fees ProfessionalFees	8702000	usd
	us-gaap	Professional Fees ProfessionalFees	6363000	usd
CY2022Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	19813000	usd
CY2021Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	16687000	usd
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	54715000	usd
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	49279000	usd
CY2022Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	12646000	usd
CY2021Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	12944000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	37841000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	37995000	usd
CY2022Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	20248000	usd
CY2021Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	13563000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	48503000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	42756000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	138105000	usd
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	118042000	usd
	us-gaap	Noninterest Expense NoninterestExpense	391831000	usd
	us-gaap	Noninterest Expense NoninterestExpense	359715000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	117083000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	114400000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	293340000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	385854000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	29233000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	27459000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	72576000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	96125000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	87850000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	86941000	usd
	us-gaap	Net Income Loss NetIncomeLoss	220764000	usd
	us-gaap	Net Income Loss NetIncomeLoss	289729000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.13
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.94
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.73
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.12
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.12
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.94
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.71
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.12
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	87850000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	86941000	usd
	us-gaap	Net Income Loss NetIncomeLoss	220764000	usd
	us-gaap	Net Income Loss NetIncomeLoss	289729000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-117300000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-16205000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-470249000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-24764000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	258000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	606000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2906000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	5679000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-117558000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-16811000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-473155000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-30443000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	30495000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	1263000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	74540000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	16930000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	283000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-10359000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-6814000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-32603000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	30212000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	11622000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	81354000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	49533000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-87346000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5189000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-391801000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	19090000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	504000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	81752000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-171037000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	308819000	usd
	us-gaap	Net Income Loss NetIncomeLoss	220764000	usd
	us-gaap	Net Income Loss NetIncomeLoss	289729000	usd
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	-5444000	usd
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	-16294000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	35546000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-67365000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	-16125000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	5856000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	18178000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	17510000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	57737000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	56122000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	13647000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7835000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	589681000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	651840000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-259044000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	128937000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	111863000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	148437000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1317141000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	953021000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2713761000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	4378200000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1514500000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1980551000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	798205000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1348346000	usd
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	336375000	usd
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	16199000	usd
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	210450000	usd
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	56480000	usd
	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	2000568000	usd
	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	3681706000	usd
	us-gaap	Proceeds From Loan And Lease Originations And Principal Collections1 ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1	872339000	usd
	us-gaap	Proceeds From Loan And Lease Originations And Principal Collections1 ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1	3907957000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	21327000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	210525000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	-23256000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	44179000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	34639000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	13270000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1645266000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-629695000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-2089027000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	620457000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.249
	us-gaap	Increase Decrease In Federal Funds Purchased IncreaseDecreaseInFederalFundsPurchased	199000000	usd
	us-gaap	Increase Decrease In Federal Funds Purchased IncreaseDecreaseInFederalFundsPurchased	-19000000	usd
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	4075000000	usd
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	1231001000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	685000000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	1921000000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	60082000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	65114000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	336533000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	136686000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	34048000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	38322000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	739406000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-214020000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	411281000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	109306000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.94
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	314857000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	397716000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	726138000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	507022000	usd
	us-gaap	Interest Paid Net InterestPaidNet	138143000	usd
	us-gaap	Interest Paid Net InterestPaidNet	125834000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-117145000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	247798000	usd
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	613243000	usd
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	832903000	usd
	bku	Dividends Declared And Payable DividendsDeclaredAndPayable	19361000	usd
	bku	Dividends Declared And Payable DividendsDeclaredAndPayable	20676000	usd
	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	0	usd
	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	154285000	usd
	bku	Obligation Incurred In Acquisition Of Limited Partnership ObligationIncurredInAcquisitionOfLimitedPartnership	65000000	usd
	bku	Obligation Incurred In Acquisition Of Limited Partnership ObligationIncurredInAcquisitionOfLimitedPartnership	0	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	2506017000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	504000	usd
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
CY2022Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	19361000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	4647000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	30000	usd
CY2022Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	10792000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	2480985000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	3161543000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	81752000	usd
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.23
CY2021Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20676000	usd
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	3555000	usd
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	77000	usd
CY2021Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	129423000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	3096674000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	3037761000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-171037000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.75
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	59567000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	15597000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	5236000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	336533000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	2480985000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2983012000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	308819000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.69
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	63481000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	10778000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	5793000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	25000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	136686000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	3096674000	usd
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:8pt;margin-top:12pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Accounting Estimates</span></div><div style="margin-bottom:8pt;margin-top:8pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, and expenses and disclosures of contingent assets and liabilities. Actual results could differ significantly from these estimates.</span></div>The most significant estimate impacting the Company's consolidated financial statements is the ACL.
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	87850000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	86941000	usd
	us-gaap	Net Income Loss NetIncomeLoss	220764000	usd
	us-gaap	Net Income Loss NetIncomeLoss	289729000	usd
CY2022Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1343000	usd
CY2021Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1112000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	3258000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	3701000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	86507000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	85829000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	217506000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	286028000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	77912320	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	92053714	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	81039561	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	92787824	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1221971	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1208304	shares
	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1230396	shares
	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1218416	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	76690349	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90845410	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79809165	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	91569408	shares
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.13
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.73
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.12
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	86507000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	85829000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	217506000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	286028000	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-6000	usd
CY2021Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-2000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-9000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-5000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	86513000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	85831000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	217515000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	286033000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	76690349	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90845410	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79809165	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	91569408	shares
CY2022Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	433472	shares
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	182448	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	308608	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	152675	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	77123821	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	91027858	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	80117773	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	91722083	shares
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.12
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.94
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.71
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.12
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1213029	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1205136	shares
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	10332359000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1944000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	637481000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	9696822000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale And Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	10342359000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale And Held To Maturity DebtSecuritiesAvailableForSaleAndHeldToMaturity	9706822000	usd
CY2022Q3	us-gaap	Investments Investments	9797427000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	9929586000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	55446000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	51611000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	9939586000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity DebtSecuritiesAvailableForSaleAndHeldToMaturity	9943421000	usd
CY2021Q4	us-gaap	Investments Investments	10064198000	usd
CY2021Q4	bku	Number Of Held To Maturity Securities NumberOfHeldToMaturitySecurities	1	bond
CY2022Q3	bku	Number Of Held To Maturity Securities NumberOfHeldToMaturitySecurities	1	bond
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	798205000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1348346000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1500564000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1423985000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	6082491000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	5801161000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	1911964000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	1725139000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	837340000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	746537000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	10332359000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	9696822000	usd
CY2022Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	87436000	usd
CY2021Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	548290000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	352000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	821000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	4058000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	7683000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	3000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	6000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	131000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	60000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	349000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	815000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	3927000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	7623000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-214000	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-1479000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-20052000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-1767000	usd
CY2022Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	135000	usd
CY2021Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-664000	usd
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-16125000	usd
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	5856000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	6314958000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	300499000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	2931111000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	336982000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	9246069000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	637481000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	4098232000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	32595000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1225140000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	19016000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	5323372000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	51611000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	579	security
CY2022Q3	bku	Number Of Securities Amount Of Impairment Insignificant NumberOfSecuritiesAmountOfImpairmentInsignificant	96	security
CY2022Q3	bku	Availableforsalesecurities Gross Unrealized Loss Considered Insignificantfor Otti Analysis AvailableforsalesecuritiesGrossUnrealizedLossConsideredInsignificantforOTTIAnalysis	900000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	24266732000	usd
CY2022Q3	bku	Percent Of Total Loans PercentOfTotalLoans	1.000
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	23765053000	usd
CY2021Q4	bku	Percent Of Total Loans PercentOfTotalLoans	1.000
CY2022Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	130671000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	126457000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	24136061000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	23638596000	usd
CY2022Q3	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	65000000	usd
CY2021Q4	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	67000000	usd
CY2022Q3	us-gaap	Sales Type And Direct Financing Leases Lease Receivable SalesTypeAndDirectFinancingLeasesLeaseReceivable	663000000	usd
CY2021Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable SalesTypeAndDirectFinancingLeasesLeaseReceivable	652000000	usd
CY2022Q3	us-gaap	Direct Financing Lease Lease Income DirectFinancingLeaseLeaseIncome	4600000	usd
	us-gaap	Direct Financing Lease Lease Income DirectFinancingLeaseLeaseIncome	13600000	usd
CY2021Q3	us-gaap	Direct Financing Lease Lease Income DirectFinancingLeaseLeaseIncome	4400000	usd
	us-gaap	Direct Financing Lease Lease Income DirectFinancingLeaseLeaseIncome	14200000	usd
CY2022Q3	bku	Pledged Financial Instruments Not Separately Reported Loans Receivable For Federal Home Loan Bank Debt PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivableForFederalHomeLoanBankDebt	11100000000	usd
CY2021Q4	bku	Pledged Financial Instruments Not Separately Reported Loans Receivable For Federal Home Loan Bank Debt PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivableForFederalHomeLoanBankDebt	10600000000	usd
CY2022Q3	us-gaap	Interest Receivable InterestReceivable	115000000	usd
CY2021Q4	us-gaap	Interest Receivable InterestReceivable	98000000	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	130239000	usd
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	175642000	usd
CY2022Q3	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	4280000	usd
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	4818000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1959000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	345000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	130671000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	159615000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	126457000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	257323000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	35930000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	35212000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	6738000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	3027000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	130671000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	159615000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	4200000	usd
CY2022Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	967000	usd
CY2021Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	280000	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	2267000	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-640000	usd
CY2022Q3	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	0	usd
CY2021Q3	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	0	usd
	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	0	usd
	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	364000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3720000	usd
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-11842000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	35546000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-67365000	usd
CY2022Q3	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	24266732000	usd
CY2021Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	23765053000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	580000000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	730000000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	155817000	usd
CY2022Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	30975000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	205885000	usd
CY2021Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	69195000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	2100000	usd
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CY2021Q3	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	2700000	usd
	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	8000000	usd
CY2022Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	108966000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	133166000	usd
CY2022Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	568
CY2022Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	99522000	usd
CY2022Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	735
CY2022Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	121144000	usd
CY2021Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	134
CY2021Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	23394000	usd
CY2021Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	63
CY2021Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	12435000	usd
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2126
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	381274000	usd
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	830
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	135983000	usd
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	219
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	42710000	usd
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	70
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	13491000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.250
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.247
CY2022Q3	bku	Interestratederivativecontractscentrallyclearedthroughthe Cme InterestratederivativecontractscentrallyclearedthroughtheCME	0	usd
CY2021Q4	bku	Interestratederivativecontractscentrallyclearedthroughthe Cme InterestratederivativecontractscentrallyclearedthroughtheCME	0	usd
CY2022Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	6125486000	usd
CY2022Q3	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	73989000	usd
CY2022Q3	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	134307000	usd
CY2021Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	4692034000	usd
CY2021Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	59019000	usd
CY2021Q4	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	25314000	usd
CY2022Q3	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	382000	usd
CY2021Q3	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-13905000	usd
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CY2022Q3	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	-35600000	usd
CY2022Q3	us-gaap	Hedged Liability Fair Value Hedge HedgedLiabilityFairValueHedge	100000000	usd
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CY2022Q3	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	-3970000	usd
CY2021Q4	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	0	usd
CY2022Q3	us-gaap	Closed Portfolio And Beneficial Interest Last Of Layer Amortized Cost ClosedPortfolioAndBeneficialInterestLastOfLayerAmortizedCost	1100000000	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	72839000	usd
CY2022Q3	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	0	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	72839000	usd
CY2022Q3	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	2035000	usd
CY2022Q3	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	67982000	usd
CY2022Q3	bku	Derivative Asset Net Amount Not Offset DerivativeAssetNetAmountNotOffset	2822000	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	2035000	usd
CY2022Q3	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	0	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	2035000	usd
CY2022Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	2035000	usd
CY2022Q3	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	0	usd
CY2022Q3	bku	Derivative Liability Net Amount Not Offset DerivativeLiabilityNetAmountNotOffset	0	usd
CY2022Q3	bku	Gross Amounts Recognized Derivative Assets And Liabilities GrossAmountsRecognizedDerivativeAssetsAndLiabilities	70804000	usd
CY2022Q3	bku	Derivative Asset Liability Collateral Offset DerivativeAssetLiabilityCollateralOffset	0	usd
CY2022Q3	bku	Derivative Asset Liability Fair Value Amount Not Offset Against Collateral DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral	70804000	usd
CY2022Q3	bku	Derivative Asset Liability Fair Value Gross Liability Asset DerivativeAssetLiabilityFairValueGrossLiabilityAsset	0	usd
CY2022Q3	bku	Derivative Asset Liability Fair Value Of Collateral DerivativeAssetLiabilityFairValueOfCollateral	67982000	usd
CY2022Q3	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	2822000	usd
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CY2021Q4	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	3915000	usd
CY2021Q4	bku	Derivative Asset Net Amount Not Offset DerivativeAssetNetAmountNotOffset	53000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	18034000	usd
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CY2021Q4	bku	Derivative Liability Net Amount Not Offset DerivativeLiabilityNetAmountNotOffset	-373000	usd
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CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	349000	usd
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CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	258000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	814000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	208000	usd
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CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-41305000	usd
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CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	11622000	usd
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	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1944000	usd
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	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-639373000	usd
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	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-40863000	usd
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	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	100559000	usd
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	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	74540000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	22725000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	5795000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	16930000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	109767000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	28413000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	81354000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	66487000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	16954000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	49533000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-529606000	usd
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-137805000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-391801000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	25624000	usd
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	6534000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	19090000	usd
CY2022Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	9861416000	usd
CY2022Q3	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	134307000	usd
CY2021Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	10118369000	usd
CY2021Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	25314000	usd
CY2022Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	9797467000	usd
CY2021Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	10064887000	usd
CY2022Q3	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	6118807000	usd

Files In Submission

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$BKU
BankUnited, Inc. Stock $bku

2022 Q4 Form 10-Q Financial Statement

#000150400822000037 Filed on November 01, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$BKU BankUnited, Inc. Stock $bku

2022 Q4 Form 10-Q Financial Statement

#000150400822000037 Filed on November 01, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BKU
BankUnited, Inc. Stock $bku