$bku 2015 Q4 10-Q

Concept	2015 Q4	2015 Q3	2014 Q3
Revenue	$242.4M	$223.9M	$201.2M
YoY Change	21.06%	11.27%	7.21%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$3.451M	$3.332M
YoY Change		3.57%	17.24%
% of Gross Profit
Depreciation & Amortization	$12.70M	$11.20M	$7.900M
YoY Change	44.32%	41.77%	33.9%
% of Gross Profit
Operating Expenses		$3.451M	$3.332M
YoY Change		3.57%	17.24%
Operating Profit
YoY Change
Interest Expense	$39.41M	$34.95M	$27.97M
YoY Change	37.19%	24.93%	18.7%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$85.51M	$70.04M	$73.38M
YoY Change	38.96%	-4.56%	-6.59%
Income Tax	$29.25M	-$32.27M	$19.81M
% Of Pretax Income	34.2%	-46.07%	27.0%
Net Earnings	$56.26M	$102.3M	$53.57M
YoY Change	20.13%	90.98%	-1.37%
Net Earnings / Revenue	23.21%	45.69%	26.62%
Basic Earnings Per Share	$0.53	$0.96	$0.51
Diluted Earnings Per Share	$0.52	$0.95	$0.51
COMMON SHARES
Basic Shares Outstanding	103.5M shares	102.3M shares	100.5M shares
Diluted Shares Outstanding		103.3M shares	100.6M shares

Concept	2015 Q4	2015 Q3	2014 Q3
OPERATING ACTIVITIES
Net Income	$56.26M	$102.3M	$53.57M
YoY Change	20.13%	90.98%	-1.37%
Depreciation, Depletion And Amortization	$12.70M	$11.20M	$7.900M
YoY Change	44.32%	41.77%	33.9%
Cash From Operating Activities	$57.70M	$84.00M	-$100.0K
YoY Change	2936.84%	-84100.0%	-103.23%
INVESTING ACTIVITIES
Capital Expenditures	-$38.50M	-$44.90M	-$43.20M
YoY Change	-52.11%	3.94%	-58.78%
Acquisitions
YoY Change
Other Investing Activities	-$1.332B	-$927.8M	-$672.5M
YoY Change	-7.09%	37.96%	18.5%
Cash From Investing Activities	-$1.371B	-$972.8M	-$715.8M
YoY Change	-9.47%	35.9%	6.45%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	1.304B	1.000B	684.9M
YoY Change	-3.51%	46.05%	-30.21%
NET CHANGE
Cash From Operating Activities	57.70M	84.00M	-100.0K
Cash From Investing Activities	-1.371B	-972.8M	-715.8M
Cash From Financing Activities	1.304B	1.000B	684.9M
Net Change In Cash	-8.800M	111.5M	-31.00M
YoY Change	-94.52%	-459.68%	-109.93%
FREE CASH FLOW
Cash From Operating Activities	$57.70M	$84.00M	-$100.0K
Capital Expenditures	-$38.50M	-$44.90M	-$43.20M
Free Cash Flow	$96.20M	$128.9M	$43.10M
YoY Change	16.89%	199.07%	-60.06%

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	bku	Amortization Accretion Of Discounts And Premiums AmortizationAccretionOfDiscountsAndPremiums	204056000	USD
	bku	Amortization Accretion Of Discounts And Premiums AmortizationAccretionOfDiscountsAndPremiums	123007000	USD
	bku	Amountsreclassifiedfrom Aoc Iintoearningsasaresultofdiscontinuationofcashflowhedgesorearlyextinguishmentofdebt AmountsreclassifiedfromAOCIintoearningsasaresultofdiscontinuationofcashflowhedgesorearlyextinguishmentofdebt	0	USD
	bku	Amountsreclassifiedfrom Aoc Iintoearningsasaresultofdiscontinuationofcashflowhedgesorearlyextinguishmentofdebt AmountsreclassifiedfromAOCIintoearningsasaresultofdiscontinuationofcashflowhedgesorearlyextinguishmentofdebt	0	USD
CY2015Q3	bku	Availablefor Sale Securities Pledgedas Collateralfor Interest Rate Swaps AvailableforSaleSecuritiesPledgedasCollateralforInterestRateSwaps	67000000	USD
CY2015Q3	bku	Availableforsalesecurities Gross Unrealized Loss Considered Insignificantfor Otti Analysis AvailableforsalesecuritiesGrossUnrealizedLossConsideredInsignificantforOTTIAnalysis	76000	USD
CY2015Q3	bku	Branches Located In New York BranchesLocatedInNewYork	6	banking_center
CY2015Q3	bku	Cash Pledgedas Collateralfor Interest Rate Swaps CashPledgedasCollateralforInterestRateSwaps	52000000	USD
	bku	Decrease Increase In Fdic Indemnification Asset Claims Filed Investing Activities DecreaseIncreaseInFDICIndemnificationAssetClaimsFiledInvestingActivities	94320000	USD
CY2014	bku	Decrease Increase In Fdic Indemnification Asset Claims Filed Investing Activities DecreaseIncreaseInFDICIndemnificationAssetClaimsFiledInvestingActivities	114916000	USD
	bku	Decrease Increase In Fdic Indemnification Asset Claims Filed Investing Activities DecreaseIncreaseInFDICIndemnificationAssetClaimsFiledInvestingActivities	46307000	USD
CY2014Q4	bku	Derivative Asset Liability Collateral Offset DerivativeAssetLiabilityCollateralOffset	0	USD
CY2015Q3	bku	Derivative Asset Liability Collateral Offset DerivativeAssetLiabilityCollateralOffset	0	USD
CY2014Q4	bku	Derivative Asset Liability Fair Value Amount Not Offset Against Collateral DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral	-64974000	USD
CY2015Q3	bku	Derivative Asset Liability Fair Value Amount Not Offset Against Collateral DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral	-97132000	USD
CY2014Q4	bku	Derivative Asset Liability Fair Value Gross Liability Asset DerivativeAssetLiabilityFairValueGrossLiabilityAsset	0	USD
CY2015Q3	bku	Derivative Asset Liability Fair Value Gross Liability Asset DerivativeAssetLiabilityFairValueGrossLiabilityAsset	0	USD
CY2014Q4	bku	Derivative Asset Liability Fair Value Of Collateral DerivativeAssetLiabilityFairValueOfCollateral	-64974000	USD
CY2015Q3	bku	Derivative Asset Liability Fair Value Of Collateral DerivativeAssetLiabilityFairValueOfCollateral	-97121000	USD
	bku	Disbursementofloanproceedsfromescrow Disbursementofloanproceedsfromescrow	52500000	USD
	bku	Disbursementofloanproceedsfromescrow Disbursementofloanproceedsfromescrow	0	USD
CY2015Q3	bku	Discrete Income Tax Benefit DiscreteIncomeTaxBenefit	-49323000	USD
	bku	Dividends Declared And Payable DividendsDeclaredAndPayable	21966000	USD
	bku	Dividends Declared And Payable DividendsDeclaredAndPayable	22355000	USD
CY2014Q4	bku	Due From Federal Reserve Bank DueFromFederalReserveBank	100596000	USD
CY2015Q3	bku	Due From Federal Reserve Bank DueFromFederalReserveBank	195533000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1156000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	5493000	USD
	bku	Effective Duration Of Investment Portfolio EffectiveDurationOfInvestmentPortfolio	P1Y5M17D
CY2014Q3	bku	Effective Income Tax Rate Reconciliation Discrete Tax Benefit EffectiveIncomeTaxRateReconciliationDiscreteTaxBenefit	0.000
	bku	Effective Income Tax Rate Reconciliation Discrete Tax Benefit EffectiveIncomeTaxRateReconciliationDiscreteTaxBenefit	0.000
CY2015Q3	bku	Effective Income Tax Rate Reconciliation Discrete Tax Benefit EffectiveIncomeTaxRateReconciliationDiscreteTaxBenefit	-0.704
	bku	Effective Income Tax Rate Reconciliation Discrete Tax Benefit EffectiveIncomeTaxRateReconciliationDiscreteTaxBenefit	-0.233
CY2014Q3	bku	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Reversal EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsReversal	-0.068
	bku	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Reversal EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsReversal	-0.022
CY2015Q3	bku	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Reversal EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsReversal	-0.084
	bku	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Reversal EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsReversal	-0.029
CY2013Q4	bku	Fdic Indemnification Assetand Liabilitynet FDICIndemnificationAssetandLiabilitynet	1205117000	USD
CY2014Q4	bku	Fdic Indemnification Assetand Liabilitynet FDICIndemnificationAssetandLiabilitynet	974335000	USD
CY2015Q3	bku	Fdic Indemnification Assetand Liabilitynet FDICIndemnificationAssetandLiabilitynet	798130000	USD
CY2015Q3	bku	Fdic Indemnification Liability FDICIndemnificationLiability	93000	USD
	bku	Fair Value Assets Level Transfers Amount FairValueAssetsLevelTransfersAmount	0	USD
	bku	Fair Value Assets Level Transfers Amount FairValueAssetsLevelTransfersAmount	0	USD
CY2014Q3	bku	Federal Deposit Insurance Corporation Indemnification Reimbursement Of Costs Of Resolution Of Covered Assets FederalDepositInsuranceCorporationIndemnificationReimbursementOfCostsOfResolutionOfCoveredAssets	1411000	USD
	bku	Federal Deposit Insurance Corporation Indemnification Reimbursement Of Costs Of Resolution Of Covered Assets FederalDepositInsuranceCorporationIndemnificationReimbursementOfCostsOfResolutionOfCoveredAssets	3651000	USD
CY2015Q3	bku	Federal Deposit Insurance Corporation Indemnification Reimbursement Of Costs Of Resolution Of Covered Assets FederalDepositInsuranceCorporationIndemnificationReimbursementOfCostsOfResolutionOfCoveredAssets	134000	USD
	bku	Federal Deposit Insurance Corporation Indemnification Reimbursement Of Costs Of Resolution Of Covered Assets FederalDepositInsuranceCorporationIndemnificationReimbursementOfCostsOfResolutionOfCoveredAssets	841000	USD
	bku	Financing Receivable Credit Quality Value At Which Relationships Are Reeavluated At Least Annually FinancingReceivableCreditQualityValueAtWhichRelationshipsAreReeavluatedAtLeastAnnually	1000000	USD
CY2014Q3	bku	Gain Loss Associated With Covered Assets GainLossAssociatedWithCoveredAssets	19208000	USD
	bku	Gain Loss Associated With Covered Assets GainLossAssociatedWithCoveredAssets	64262000	USD
CY2015Q3	bku	Gain Loss Associated With Covered Assets GainLossAssociatedWithCoveredAssets	20121000	USD
	bku	Gain Loss Associated With Covered Assets GainLossAssociatedWithCoveredAssets	66221000	USD
CY2014Q3	bku	Gain Loss On Covered Investment Securities Available For Sale GainLossOnCoveredInvestmentSecuritiesAvailableForSale	209000	USD
	bku	Gain Loss On Covered Investment Securities Available For Sale GainLossOnCoveredInvestmentSecuritiesAvailableForSale	209000	USD
CY2015Q3	bku	Gain Loss On Covered Investment Securities Available For Sale GainLossOnCoveredInvestmentSecuritiesAvailableForSale	0	USD
	bku	Gain Loss On Covered Investment Securities Available For Sale GainLossOnCoveredInvestmentSecuritiesAvailableForSale	0	USD
CY2014Q3	bku	Gain Loss On Indemnification Asset GainLossOnIndemnificationAsset	-16958000	USD
	bku	Gain Loss On Indemnification Asset GainLossOnIndemnificationAsset	-39758000	USD
CY2014	bku	Gain Loss On Indemnification Asset GainLossOnIndemnificationAsset	-46396000	USD
CY2015Q3	bku	Gain Loss On Indemnification Asset GainLossOnIndemnificationAsset	-15988000	USD
	bku	Gain Loss On Indemnification Asset GainLossOnIndemnificationAsset	-53024000	USD
CY2014Q3	bku	Gain Lossoncovered Ore Onet GainLossoncoveredOREOnet	-93000	USD
	bku	Gain Lossoncovered Ore Onet GainLossoncoveredOREOnet	2495000	USD
CY2015Q3	bku	Gain Lossoncovered Ore Onet GainLossoncoveredOREOnet	-493000	USD
	bku	Gain Lossoncovered Ore Onet GainLossoncoveredOREOnet	-1186000	USD
CY2014Q3	bku	Gain Lossonsaleofloansnetlossrelatedtocoveredloans GainLossonsaleofloansnetlossrelatedtocoveredloans	3667000	USD
	bku	Gain Lossonsaleofloansnetlossrelatedtocoveredloans GainLossonsaleofloansnetlossrelatedtocoveredloans	22595000	USD
CY2015Q3	bku	Gain Lossonsaleofloansnetlossrelatedtocoveredloans GainLossonsaleofloansnetlossrelatedtocoveredloans	9288000	USD
	bku	Gain Lossonsaleofloansnetlossrelatedtocoveredloans GainLossonsaleofloansnetlossrelatedtocoveredloans	26711000	USD
CY2014Q4	bku	Gross Amounts Recognized Derivative Assets And Liabilities GrossAmountsRecognizedDerivativeAssetsAndLiabilities	-64974000	USD
CY2015Q3	bku	Gross Amounts Recognized Derivative Assets And Liabilities GrossAmountsRecognizedDerivativeAssetsAndLiabilities	-97132000	USD
CY2014Q3	bku	Income Loss From Resolution Of Covered Assets IncomeLossFromResolutionOfCoveredAssets	14525000	USD
	bku	Income Loss From Resolution Of Covered Assets IncomeLossFromResolutionOfCoveredAssets	39756000	USD
CY2015Q3	bku	Income Loss From Resolution Of Covered Assets IncomeLossFromResolutionOfCoveredAssets	12364000	USD
	bku	Income Loss From Resolution Of Covered Assets IncomeLossFromResolutionOfCoveredAssets	41261000	USD
	bku	Lifeof Certificatesof Deposit Hedged LifeofCertificatesofDepositHedged	P1Y
CY2014Q4	bku	Loans And Leases Receivable Allowance Covered And Not Covered LoansAndLeasesReceivableAllowanceCoveredAndNotCovered	95542000	USD
CY2015Q3	bku	Loans And Leases Receivable Allowance Covered And Not Covered LoansAndLeasesReceivableAllowanceCoveredAndNotCovered	118285000	USD
CY2014Q4	bku	Loans And Leases Receivable Deferred Income Covered And Not Covered LoansAndLeasesReceivableDeferredIncomeCoveredAndNotCovered	-36502000	USD
CY2015Q3	bku	Loans And Leases Receivable Deferred Income Covered And Not Covered LoansAndLeasesReceivableDeferredIncomeCoveredAndNotCovered	-36910000	USD
CY2014Q4	bku	Loans And Leases Receivable Net Of Deferred Income Covered LoansAndLeasesReceivableNetOfDeferredIncomeCovered	1043864000	USD
CY2015Q3	bku	Loans And Leases Receivable Net Of Deferred Income Covered LoansAndLeasesReceivableNetOfDeferredIncomeCovered	854117000	USD
CY2014Q4	bku	Loans And Leases Receivable Net Of Deferred Income Covered And Not Covered LoansAndLeasesReceivableNetOfDeferredIncomeCoveredAndNotCovered	12414769000	USD
CY2015Q3	bku	Loans And Leases Receivable Net Of Deferred Income Covered And Not Covered LoansAndLeasesReceivableNetOfDeferredIncomeCoveredAndNotCovered	15431385000	USD
CY2014Q4	bku	Loansand Leases Receivable Gross Coveredand Non Covered LoansandLeasesReceivableGrossCoveredandNonCovered	12378267000	USD
CY2015Q3	bku	Loansand Leases Receivable Gross Coveredand Non Covered LoansandLeasesReceivableGrossCoveredandNonCovered	15394475000	USD
CY2009Q2	bku	Maximum Amount Fdic Will Reimburse MaximumAmountFDICWillReimburse	4000000000.0	USD
	bku	Mortgage Loan Commitment Time Period Maximum MortgageLoanCommitmentTimePeriodMaximum	P75D
	bku	Mortgage Loan Commitment Time Period Minimum MortgageLoanCommitmentTimePeriodMinimum	P30D
CY2014Q3	bku	Net Income Avaialble To Participating Common Shareholders NetIncomeAvaialbleToParticipatingCommonShareholders	51437000	USD
	bku	Net Income Avaialble To Participating Common Shareholders NetIncomeAvaialbleToParticipatingCommonShareholders	151166000	USD
CY2015Q3	bku	Net Income Avaialble To Participating Common Shareholders NetIncomeAvaialbleToParticipatingCommonShareholders	98287000	USD
	bku	Net Income Avaialble To Participating Common Shareholders NetIncomeAvaialbleToParticipatingCommonShareholders	187819000	USD
CY2015Q3	bku	Number Of Branches NumberOfBranches	97	branch
CY2015Q3	bku	Number Of Geographic Areas Branches Located In NumberOfGeographicAreasBranchesLocatedIn	15	county
CY2014Q4	bku	Number Of Held To Maturity Securities NumberOfHeldToMaturitySecurities	1	security
CY2015Q3	bku	Number Of Held To Maturity Securities NumberOfHeldToMaturitySecurities	1	security
CY2009Q2	bku	Number Of Loss Sharing Agreements NumberOfLossSharingAgreements	2	Agreement
CY2015Q3	bku	Number Of Securities Amount Of Impairment Insignificant NumberOfSecuritiesAmountOfImpairmentInsignificant	8	security
	bku	Number Of Securities Determined To Be Other Than Temporarily Impaired During The Period NumberOfSecuritiesDeterminedToBeOtherThanTemporarilyImpairedDuringThePeriod	0	security
	bku	Number Of Securities Determined To Be Other Than Temporarily Impaired During The Period NumberOfSecuritiesDeterminedToBeOtherThanTemporarilyImpairedDuringThePeriod	0	security
	bku	Number Of Subsidiaries NumberOfSubsidiaries	1	subsidiary
CY2014Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	1427000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	4234000	USD
CY2015Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	1449000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	4302000	USD
CY2014Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	5302000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	15702000	USD
CY2015Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	5529000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	15750000	USD
CY2014Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	3257000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	9645000	USD
CY2015Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	3345000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	9529000	USD
CY2014Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Tax Effect OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTaxEffect	2045000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Tax Effect OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTaxEffect	6057000	USD
CY2015Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Tax Effect OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTaxEffect	2184000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Tax Effect OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTaxEffect	6221000	USD
CY2014Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	877000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	2601000	USD
CY2015Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	877000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	2603000	USD
CY2014Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	550000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	1633000	USD
CY2015Q3	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	572000	USD
	bku	Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	1699000	USD
CY2014Q3	bku	Otherrealestateownedexpenseincomenet Otherrealestateownedexpenseincomenet	1501000	USD
	bku	Otherrealestateownedexpenseincomenet Otherrealestateownedexpenseincomenet	1530000	USD
CY2015Q3	bku	Otherrealestateownedexpenseincomenet Otherrealestateownedexpenseincomenet	1191000	USD
	bku	Otherrealestateownedexpenseincomenet Otherrealestateownedexpenseincomenet	3468000	USD
CY2009Q2	bku	Percent Fdic Will Reimburse For Losses PercentFDICWillReimburseForLosses	0.8
CY2009Q2	bku	Percent Of Losses In Excess Of Maximum Amount Fdic Will Reimburse PercentOfLossesInExcessOfMaximumAmountFDICWillReimburse	0.95
CY2014Q4	bku	Percent Of Total Loans PercentOfTotalLoans	1.000
CY2015Q3	bku	Percent Of Total Loans PercentOfTotalLoans	0
CY2014Q3	bku	Provision For Covered Loans And Unfunded Commitments ProvisionForCoveredLoansAndUnfundedCommitments	-900000	USD
	bku	Provision For Covered Loans And Unfunded Commitments ProvisionForCoveredLoansAndUnfundedCommitments	793000	USD
CY2015Q3	bku	Provision For Covered Loans And Unfunded Commitments ProvisionForCoveredLoansAndUnfundedCommitments	1038000	USD
	bku	Provision For Covered Loans And Unfunded Commitments ProvisionForCoveredLoansAndUnfundedCommitments	565000	USD
CY2015Q3	bku	Provision For Covered Unfunded Commitments ProvisionForCoveredUnfundedCommitments	35000	USD
	bku	Provision For Covered Unfunded Commitments ProvisionForCoveredUnfundedCommitments	102000	USD
CY2014Q3	bku	Provision For Loan And Lease Losses Covered Loans ProvisionForLoanAndLeaseLossesCoveredLoans	900000	USD
	bku	Provision For Loan And Lease Losses Covered Loans ProvisionForLoanAndLeaseLossesCoveredLoans	-793000	USD
CY2015Q3	bku	Provision For Loan And Lease Losses Covered Loans ProvisionForLoanAndLeaseLossesCoveredLoans	-1073000	USD
	bku	Provision For Loan And Lease Losses Covered Loans ProvisionForLoanAndLeaseLossesCoveredLoans	-667000	USD
	bku	Shareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantmaximumin Dollarsper Share ShareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantmaximuminDollarsperShare	34.04
	bku	Shareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantmaximumin Dollarsper Share ShareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantmaximuminDollarsperShare	36.50
	bku	Shareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantminimumin Dollarsper Share ShareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantminimuminDollarsperShare	30.34
	bku	Shareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantminimumin Dollarsper Share ShareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantminimuminDollarsperShare	31.35
CY2014Q4	bku	Unpaid Principal Balance Of Aci Loans UnpaidPrincipalBalanceOfAciLoans	2600000000	USD
CY2015Q3	bku	Unpaid Principal Balance Of Aci Loans UnpaidPrincipalBalanceOfAciLoans	2200000000	USD
	bku	Value At Which Non Accrual Status Commercial Relationships Are Evaluated For Impairment ValueAtWhichNonAccrualStatusCommercialRelationshipsAreEvaluatedForImpairment	750000	USD
CY2015Q3	bku	Value Of Pledged Real Estate Loans With Unpaid Principal Balance ValueOfPledgedRealEstateLoansWithUnpaidPrincipalBalance	8200000000	USD
CY2014Q3	bku	Value Of Unpaid Principal Balance Of Aci Loans Sold ValueOfUnpaidPrincipalBalanceOfACILoansSold	16000000	USD
	bku	Value Of Unpaid Principal Balance Of Aci Loans Sold ValueOfUnpaidPrincipalBalanceOfACILoansSold	45000000	USD
	bku	Weighted Average Life Of Investment Portfolio WeightedAverageLifeOfInvestmentPortfolio	P3Y10M20D
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
	dei	Document Period End Date DocumentPeriodEndDate	2015-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0001504008
CY2015Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	103524426	shares
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	BankUnited, Inc.
	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2014Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	3104736000	USD
CY2015Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	30519000	USD
CY2015Q3	invest	Derivative Notional Amount DerivativeNotionalAmount	3578478000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	57480000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	63427000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	46352000	USD
CY2014Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1353538000	USD
CY2015Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1399003000	USD
	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	1483000	USD
	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	276000	USD
CY2014Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	704000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1421000	USD
CY2015Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	173000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1000000	USD
CY2014Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2694000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	13260000	USD
CY2015Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	7092000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	12644000	USD
CY2014Q4	us-gaap	Assets Assets	19210529000	USD
CY2015Q3	us-gaap	Assets Assets	22537671000	USD
CY2014Q4	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	4615508000	USD
CY2015Q3	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	4710409000	USD
CY2014Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	4585694000	USD
CY2015Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	4661446000	USD
CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	127295000	USD
CY2015Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	115468000	USD
CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	16091000	USD
CY2015Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	14107000	USD
CY2014Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	4474490000	USD
CY2015Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	4560085000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	10511000	USD
CY2015Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	6159000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1060759000	USD
CY2015Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1349814000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5580000	USD
CY2015Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	7948000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	506258000	USD
CY2015Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	907089000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	554501000	USD
CY2015Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	442725000	USD
CY2015Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	1090732000	USD
CY2015Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	1114166000	USD
CY2015Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	2299502000	USD
CY2015Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	2337361000	USD
CY2015Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	466756000	USD
CY2015Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	486049000	USD
CY2015Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	627272000	USD
CY2015Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	638794000	USD
CY2015Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	75823000	USD
CY2015Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	85076000	USD
CY2014Q3	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	795000	USD
CY2015Q3	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	2343000	USD
CY2014Q3	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	795000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	2075000	USD
CY2015Q3	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	2343000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	5968000	USD
CY2014Q3	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	919000	USD
CY2015Q3	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	475000	USD
CY2014Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	1000000000	USD
CY2015Q3	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	1200000000	USD
CY2014Q3	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	795000	USD
	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	1156000	USD
CY2015Q3	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	2343000	USD
	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	5493000	USD
CY2015Q3	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	47	security
CY2014Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	215065000	USD
CY2015Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	225089000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2264000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2324000	USD
CY2015Q2	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	10406000	USD
CY2015Q2	us-gaap	Business Combination Acquired Receivables Estimated Uncollectible BusinessCombinationAcquiredReceivablesEstimatedUncollectible	13000000	USD
CY2015Q2	us-gaap	Business Combination Acquired Receivables Gross Contractual Amount BusinessCombinationAcquiredReceivablesGrossContractualAmount	249000000	USD
CY2015Q2	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	277553000	USD
	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	0	USD
	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	277553000	USD
CY2015Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	270767000	USD
CY2015Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Prepaid Expense And Other Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets	4397000	USD
CY2015Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	3620000	USD
CY2015Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet	267147000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	9035000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	0	USD
CY2014Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases CapitalLeasesNetInvestmentInDirectFinancingLeases	458000000	USD
CY2015Q3	us-gaap	Capital Leases Net Investment In Direct Financing Leases CapitalLeasesNetInvestmentInDirectFinancingLeases	444000000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	252749000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	348144000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	187517000	USD
CY2015Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	276281000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	95395000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	88764000	USD
CY2014Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	46268000	USD
CY2015Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	25262000	USD
CY2014Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.21
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.63
CY2015Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.21
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.63
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2015Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2015Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	101656702	shares
CY2015Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	103529759.000	shares
CY2014Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	101656702	shares
CY2015Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	103529759	shares
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	1017000	USD
CY2015Q3	us-gaap	Common Stock Value CommonStockValue	1035000	USD
CY2014Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	3332000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	9905000	USD
CY2015Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	3451000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	10267000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	42706000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	163328000	USD
CY2015Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	81688000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	179564000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-31206000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-24445000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	117215000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	154050000	USD
CY2014Q4	us-gaap	Deposits Deposits	13511755000	USD
CY2015Q3	us-gaap	Deposits Deposits	15897892000	USD
CY2014Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	5896007000	USD
CY2015Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	7260978000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	22808000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	30744000	USD
CY2014Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	0	USD
CY2015Q3	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	0	USD
CY2014Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	4143000	USD
CY2015Q3	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	104000	USD
CY2014Q4	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	0	USD
CY2015Q3	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	0	USD
CY2014Q4	us-gaap	Derivative Assets DerivativeAssets	0	USD
CY2015Q3	us-gaap	Derivative Assets DerivativeAssets	0	USD
CY2014Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	0	USD
CY2015Q3	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-11000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	4143000	USD
CY2015Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	104000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	4143000	USD
CY2015Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	104000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	69117000	USD
CY2015Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	97236000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	69117000	USD
CY2015Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	97236000	USD
CY2014Q3	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	USD
CY2015Q3	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	USD
CY2014Q3	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	6729000	USD
	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	19936000	USD
CY2015Q3	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	6978000	USD
	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	20052000	USD
CY2014Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	0	USD
CY2015Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	11000	USD
CY2014Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	0	USD
CY2015Q3	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	0	USD
CY2014Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	4143000	USD
CY2015Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	104000	USD
CY2014Q4	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	64974000	USD
CY2015Q3	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	97121000	USD
	us-gaap	Discontinuation Of Cash Flow Hedge DiscontinuationOfCashFlowHedge	0
	us-gaap	Discontinuation Of Cash Flow Hedge DiscontinuationOfCashFlowHedge	0
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	65883000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	67013000	USD
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.51
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.51
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.96
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.84
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.50
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.95
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.83
CY2014Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.270
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.321
CY2015Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.461
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.076
CY2014Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2015Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2014Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.009
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.003
CY2015Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.028
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.012
CY2014Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.014
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.027
CY2015Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.054
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.047
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-30000	USD
CY2014Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.035
	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.031
CY2015Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.049
	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.047
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y0M1D
CY2015Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	24200000	USD
	us-gaap	Escrow Deposits Related To Property Sales EscrowDepositsRelatedToPropertySales	0	USD
	us-gaap	Escrow Deposits Related To Property Sales EscrowDepositsRelatedToPropertySales	52237000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1483000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	276000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	1483000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	276000	USD
CY2014Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	974704000	USD
CY2015Q3	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	798223000	USD
CY2014Q3	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	17948000	USD
	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	48883000	USD
CY2014	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	69470000	USD
CY2015Q3	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	28409000	USD
	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	76874000	USD
CY2014Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2452000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	7015000	USD
CY2015Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3615000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	9696000	USD
CY2014Q4	us-gaap	Federal Funds Sold FederalFundsSold	6674000	USD
CY2015Q3	us-gaap	Federal Funds Sold FederalFundsSold	3867000	USD
CY2014Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	3318559000	USD
CY2015Q3	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	4093816000	USD
CY2014Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	191674000	USD
CY2015Q3	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	217945000	USD
CY2014Q3	us-gaap	Fees And Commissions FeesAndCommissions	4236000	USD
	us-gaap	Fees And Commissions FeesAndCommissions	12427000	USD
CY2015Q3	us-gaap	Fees And Commissions FeesAndCommissions	4637000	USD
	us-gaap	Fees And Commissions FeesAndCommissions	13580000	USD
CY2013Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	69725000	USD
CY2014Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	75471000	USD
CY2014Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	78868000	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	95542000	USD
CY2015Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	107385000	USD
CY2015Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	118285000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	1156000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	5493000	USD
CY2014Q3	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	3789000	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	23112000	USD
CY2015Q3	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	11301000	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	29690000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	2366000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-1085000	USD
CY2014Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	10000000	USD
CY2015Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	10000000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	73380000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	231714000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	70036000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	211381000	USD
CY2014Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19813000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	74333000	USD
CY2015Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-32267000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15984000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	93053000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	19249000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2301489000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2386146000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	12692000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1426000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	15536000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	24753000	USD
CY2014Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	68414000	USD
CY2015Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	78408000	USD
CY2014Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	201222000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	583517000	USD
CY2015Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	223898000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	638414000	USD
CY2014Q3	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	27816000	USD
	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	78383000	USD
CY2015Q3	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	30889000	USD
	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	85393000	USD
CY2014Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	171591000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	499558000	USD
CY2015Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	190294000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	545683000	USD
CY2014Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	33979000	USD
CY2015Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	51619000	USD
CY2014Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	899696000	USD
CY2015Q3	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	1362471000	USD
CY2014Q3	us-gaap	Interest Expense InterestExpense	27973000	USD
	us-gaap	Interest Expense InterestExpense	77926000	USD
CY2015Q3	us-gaap	Interest Expense InterestExpense	34947000	USD
	us-gaap	Interest Expense InterestExpense	95757000	USD
CY2014Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	8541000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	24932000	USD
CY2015Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	10988000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	29939000	USD
CY2014Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	19432000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2440457000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	3166411000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2293483000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3237803000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-51579000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	160156000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	53567000	USD
	us-gaap	Net Income Loss NetIncomeLoss	157381000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	102303000	USD
	us-gaap	Net Income Loss NetIncomeLoss	195397000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	52994000	USD
CY2015Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	23959000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	65818000	USD
CY2014Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	167862000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	484609000	USD
CY2015Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	171132000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	508270000	USD
CY2014Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	173249000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	505591000	USD
CY2015Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	188951000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	542657000	USD
	us-gaap	Interest Paid Net InterestPaidNet	72667000	USD
	us-gaap	Interest Paid Net InterestPaidNet	89626000	USD
CY2015Q3	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	18400000	USD
CY2014Q4	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	29765000	USD
CY2015Q3	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	37798000	USD
CY2014Q4	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	69177000	USD
CY2015Q3	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	97340000	USD
CY2014Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	50003000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	149008000	USD
CY2015Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	55316000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	156640000	USD
CY2014Q4	us-gaap	Liabilities Liabilities	17157995000	USD
CY2015Q3	us-gaap	Liabilities Liabilities	20327103000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	19210529000	USD
CY2015Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	22537671000	USD
CY2014Q4	us-gaap	Liabilities Fair Value Disclosure Recurring LiabilitiesFairValueDisclosureRecurring	69178000	USD
CY2015Q3	us-gaap	Liabilities Fair Value Disclosure Recurring LiabilitiesFairValueDisclosureRecurring	97358000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	12319227000	USD
CY2015Q3	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	15313100000	USD
CY2014Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	1399000	USD
CY2015Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	50791000	USD
CY2014Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	51437000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	151166000	USD
CY2015Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	98287000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	187819000	USD
CY2014Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	51442000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	151180000	USD
CY2015Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	98312000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	187849000	USD

bku

Amortization Accretion Of Discounts And Premiums

AmortizationAccretionOfDiscountsAndPremiums

204056000

USD

bku

Amortization Accretion Of Discounts And Premiums

AmortizationAccretionOfDiscountsAndPremiums

123007000

USD

bku

Amountsreclassifiedfrom Aoc Iintoearningsasaresultofdiscontinuationofcashflowhedgesorearlyextinguishmentofdebt

AmountsreclassifiedfromAOCIintoearningsasaresultofdiscontinuationofcashflowhedgesorearlyextinguishmentofdebt

0

USD

bku

Amountsreclassifiedfrom Aoc Iintoearningsasaresultofdiscontinuationofcashflowhedgesorearlyextinguishmentofdebt

AmountsreclassifiedfromAOCIintoearningsasaresultofdiscontinuationofcashflowhedgesorearlyextinguishmentofdebt

0

USD

CY2015Q3

bku

Availablefor Sale Securities Pledgedas Collateralfor Interest Rate Swaps

AvailableforSaleSecuritiesPledgedasCollateralforInterestRateSwaps

67000000

USD

CY2015Q3

bku

Availableforsalesecurities Gross Unrealized Loss Considered Insignificantfor Otti Analysis

AvailableforsalesecuritiesGrossUnrealizedLossConsideredInsignificantforOTTIAnalysis

76000

USD

CY2015Q3

bku

Branches Located In New York

BranchesLocatedInNewYork

6

banking_center

CY2015Q3

bku

Cash Pledgedas Collateralfor Interest Rate Swaps

CashPledgedasCollateralforInterestRateSwaps

52000000

USD

bku

Decrease Increase In Fdic Indemnification Asset Claims Filed Investing Activities

DecreaseIncreaseInFDICIndemnificationAssetClaimsFiledInvestingActivities

94320000

USD

CY2014

bku

Decrease Increase In Fdic Indemnification Asset Claims Filed Investing Activities

DecreaseIncreaseInFDICIndemnificationAssetClaimsFiledInvestingActivities

114916000

USD

bku

Decrease Increase In Fdic Indemnification Asset Claims Filed Investing Activities

DecreaseIncreaseInFDICIndemnificationAssetClaimsFiledInvestingActivities

46307000

USD

CY2014Q4

bku

Derivative Asset Liability Collateral Offset

DerivativeAssetLiabilityCollateralOffset

0

USD

CY2015Q3

bku

Derivative Asset Liability Collateral Offset

DerivativeAssetLiabilityCollateralOffset

0

USD

CY2014Q4

bku

Derivative Asset Liability Fair Value Amount Not Offset Against Collateral

DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral

-64974000

USD

CY2015Q3

bku

Derivative Asset Liability Fair Value Amount Not Offset Against Collateral

DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral

-97132000

USD

CY2014Q4

bku

Derivative Asset Liability Fair Value Gross Liability Asset

DerivativeAssetLiabilityFairValueGrossLiabilityAsset

0

USD

CY2015Q3

bku

Derivative Asset Liability Fair Value Gross Liability Asset

DerivativeAssetLiabilityFairValueGrossLiabilityAsset

0

USD

CY2014Q4

bku

Derivative Asset Liability Fair Value Of Collateral

DerivativeAssetLiabilityFairValueOfCollateral

-64974000

USD

CY2015Q3

bku

Derivative Asset Liability Fair Value Of Collateral

DerivativeAssetLiabilityFairValueOfCollateral

-97121000

USD

bku

Disbursementofloanproceedsfromescrow

52500000

USD

bku

Disbursementofloanproceedsfromescrow

0

USD

CY2015Q3

bku

Discrete Income Tax Benefit

DiscreteIncomeTaxBenefit

-49323000

USD

bku

Dividends Declared And Payable

DividendsDeclaredAndPayable

21966000

USD

bku

Dividends Declared And Payable

DividendsDeclaredAndPayable

22355000

USD

CY2014Q4

bku

Due From Federal Reserve Bank

DueFromFederalReserveBank

100596000

USD

CY2015Q3

bku

Due From Federal Reserve Bank

DueFromFederalReserveBank

195533000

USD

us-gaap

Available For Sale Securities Gross Realized Gain Loss Net

AvailableForSaleSecuritiesGrossRealizedGainLossNet

1156000

USD

us-gaap

Available For Sale Securities Gross Realized Gain Loss Net

AvailableForSaleSecuritiesGrossRealizedGainLossNet

5493000

USD

bku

Effective Duration Of Investment Portfolio

EffectiveDurationOfInvestmentPortfolio

P1Y5M17D

CY2014Q3

bku

Effective Income Tax Rate Reconciliation Discrete Tax Benefit

EffectiveIncomeTaxRateReconciliationDiscreteTaxBenefit

0.000

bku

Effective Income Tax Rate Reconciliation Discrete Tax Benefit

EffectiveIncomeTaxRateReconciliationDiscreteTaxBenefit

0.000

CY2015Q3

bku

Effective Income Tax Rate Reconciliation Discrete Tax Benefit

EffectiveIncomeTaxRateReconciliationDiscreteTaxBenefit

-0.704

bku

Effective Income Tax Rate Reconciliation Discrete Tax Benefit

EffectiveIncomeTaxRateReconciliationDiscreteTaxBenefit

-0.233

CY2014Q3

bku

Effective Income Tax Rate Reconciliation Uncertain Tax Positions Reversal

EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsReversal

-0.068

bku

Effective Income Tax Rate Reconciliation Uncertain Tax Positions Reversal

EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsReversal

-0.022

CY2015Q3

bku

Effective Income Tax Rate Reconciliation Uncertain Tax Positions Reversal

EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsReversal

-0.084

bku

Effective Income Tax Rate Reconciliation Uncertain Tax Positions Reversal

EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsReversal

-0.029

CY2013Q4

bku

Fdic Indemnification Assetand Liabilitynet

FDICIndemnificationAssetandLiabilitynet

1205117000

USD

CY2014Q4

bku

Fdic Indemnification Assetand Liabilitynet

FDICIndemnificationAssetandLiabilitynet

974335000

USD

CY2015Q3

bku

Fdic Indemnification Assetand Liabilitynet

FDICIndemnificationAssetandLiabilitynet

798130000

USD

CY2015Q3

bku

Fdic Indemnification Liability

FDICIndemnificationLiability

93000

USD

bku

Fair Value Assets Level Transfers Amount

FairValueAssetsLevelTransfersAmount

0

USD

bku

Fair Value Assets Level Transfers Amount

FairValueAssetsLevelTransfersAmount

0

USD

CY2014Q3

bku

Federal Deposit Insurance Corporation Indemnification Reimbursement Of Costs Of Resolution Of Covered Assets

FederalDepositInsuranceCorporationIndemnificationReimbursementOfCostsOfResolutionOfCoveredAssets

1411000

USD

bku

Federal Deposit Insurance Corporation Indemnification Reimbursement Of Costs Of Resolution Of Covered Assets

FederalDepositInsuranceCorporationIndemnificationReimbursementOfCostsOfResolutionOfCoveredAssets

3651000

USD

CY2015Q3

bku

Federal Deposit Insurance Corporation Indemnification Reimbursement Of Costs Of Resolution Of Covered Assets

FederalDepositInsuranceCorporationIndemnificationReimbursementOfCostsOfResolutionOfCoveredAssets

134000

USD

bku

Federal Deposit Insurance Corporation Indemnification Reimbursement Of Costs Of Resolution Of Covered Assets

FederalDepositInsuranceCorporationIndemnificationReimbursementOfCostsOfResolutionOfCoveredAssets

841000

USD

bku

Financing Receivable Credit Quality Value At Which Relationships Are Reeavluated At Least Annually

FinancingReceivableCreditQualityValueAtWhichRelationshipsAreReeavluatedAtLeastAnnually

1000000

USD

CY2014Q3

bku

Gain Loss Associated With Covered Assets

GainLossAssociatedWithCoveredAssets

19208000

USD

bku

Gain Loss Associated With Covered Assets

GainLossAssociatedWithCoveredAssets

64262000

USD

CY2015Q3

bku

Gain Loss Associated With Covered Assets

GainLossAssociatedWithCoveredAssets

20121000

USD

bku

Gain Loss Associated With Covered Assets

GainLossAssociatedWithCoveredAssets

66221000

USD

CY2014Q3

bku

Gain Loss On Covered Investment Securities Available For Sale

GainLossOnCoveredInvestmentSecuritiesAvailableForSale

209000

USD

bku

Gain Loss On Covered Investment Securities Available For Sale

GainLossOnCoveredInvestmentSecuritiesAvailableForSale

209000

USD

CY2015Q3

bku

Gain Loss On Covered Investment Securities Available For Sale

GainLossOnCoveredInvestmentSecuritiesAvailableForSale

0

USD

bku

Gain Loss On Covered Investment Securities Available For Sale

GainLossOnCoveredInvestmentSecuritiesAvailableForSale

0

USD

CY2014Q3

bku

Gain Loss On Indemnification Asset

GainLossOnIndemnificationAsset

-16958000

USD

bku

Gain Loss On Indemnification Asset

GainLossOnIndemnificationAsset

-39758000

USD

CY2014

bku

Gain Loss On Indemnification Asset

GainLossOnIndemnificationAsset

-46396000

USD

CY2015Q3

bku

Gain Loss On Indemnification Asset

GainLossOnIndemnificationAsset

-15988000

USD

bku

Gain Loss On Indemnification Asset

GainLossOnIndemnificationAsset

-53024000

USD

CY2014Q3

bku

Gain Lossoncovered Ore Onet

GainLossoncoveredOREOnet

-93000

USD

bku

Gain Lossoncovered Ore Onet

GainLossoncoveredOREOnet

2495000

USD

CY2015Q3

bku

Gain Lossoncovered Ore Onet

GainLossoncoveredOREOnet

-493000

USD

bku

Gain Lossoncovered Ore Onet

GainLossoncoveredOREOnet

-1186000

USD

CY2014Q3

bku

Gain Lossonsaleofloansnetlossrelatedtocoveredloans

GainLossonsaleofloansnetlossrelatedtocoveredloans

3667000

USD

bku

Gain Lossonsaleofloansnetlossrelatedtocoveredloans

GainLossonsaleofloansnetlossrelatedtocoveredloans

22595000

USD

CY2015Q3

bku

Gain Lossonsaleofloansnetlossrelatedtocoveredloans

GainLossonsaleofloansnetlossrelatedtocoveredloans

9288000

USD

bku

Gain Lossonsaleofloansnetlossrelatedtocoveredloans

GainLossonsaleofloansnetlossrelatedtocoveredloans

26711000

USD

CY2014Q4

bku

Gross Amounts Recognized Derivative Assets And Liabilities

GrossAmountsRecognizedDerivativeAssetsAndLiabilities

-64974000

USD

CY2015Q3

bku

Gross Amounts Recognized Derivative Assets And Liabilities

GrossAmountsRecognizedDerivativeAssetsAndLiabilities

-97132000

USD

CY2014Q3

bku

Income Loss From Resolution Of Covered Assets

IncomeLossFromResolutionOfCoveredAssets

14525000

USD

bku

Income Loss From Resolution Of Covered Assets

IncomeLossFromResolutionOfCoveredAssets

39756000

USD

CY2015Q3

bku

Income Loss From Resolution Of Covered Assets

IncomeLossFromResolutionOfCoveredAssets

12364000

USD

bku

Income Loss From Resolution Of Covered Assets

IncomeLossFromResolutionOfCoveredAssets

41261000

USD

bku

Lifeof Certificatesof Deposit Hedged

LifeofCertificatesofDepositHedged

P1Y

CY2014Q4

bku

Loans And Leases Receivable Allowance Covered And Not Covered

LoansAndLeasesReceivableAllowanceCoveredAndNotCovered

95542000

USD

CY2015Q3

bku

Loans And Leases Receivable Allowance Covered And Not Covered

LoansAndLeasesReceivableAllowanceCoveredAndNotCovered

118285000

USD

CY2014Q4

bku

Loans And Leases Receivable Deferred Income Covered And Not Covered

LoansAndLeasesReceivableDeferredIncomeCoveredAndNotCovered

-36502000

USD

CY2015Q3

bku

Loans And Leases Receivable Deferred Income Covered And Not Covered

LoansAndLeasesReceivableDeferredIncomeCoveredAndNotCovered

-36910000

USD

CY2014Q4

bku

Loans And Leases Receivable Net Of Deferred Income Covered

LoansAndLeasesReceivableNetOfDeferredIncomeCovered

1043864000

USD

CY2015Q3

bku

Loans And Leases Receivable Net Of Deferred Income Covered

LoansAndLeasesReceivableNetOfDeferredIncomeCovered

854117000

USD

CY2014Q4

bku

Loans And Leases Receivable Net Of Deferred Income Covered And Not Covered

LoansAndLeasesReceivableNetOfDeferredIncomeCoveredAndNotCovered

12414769000

USD

CY2015Q3

bku

Loans And Leases Receivable Net Of Deferred Income Covered And Not Covered

LoansAndLeasesReceivableNetOfDeferredIncomeCoveredAndNotCovered

15431385000

USD

CY2014Q4

bku

Loansand Leases Receivable Gross Coveredand Non Covered

LoansandLeasesReceivableGrossCoveredandNonCovered

12378267000

USD

CY2015Q3

bku

Loansand Leases Receivable Gross Coveredand Non Covered

LoansandLeasesReceivableGrossCoveredandNonCovered

15394475000

USD

CY2009Q2

bku

Maximum Amount Fdic Will Reimburse

MaximumAmountFDICWillReimburse

4000000000.0

USD

bku

Mortgage Loan Commitment Time Period Maximum

MortgageLoanCommitmentTimePeriodMaximum

P75D

bku

Mortgage Loan Commitment Time Period Minimum

MortgageLoanCommitmentTimePeriodMinimum

P30D

CY2014Q3

bku

Net Income Avaialble To Participating Common Shareholders

NetIncomeAvaialbleToParticipatingCommonShareholders

51437000

USD

bku

Net Income Avaialble To Participating Common Shareholders

NetIncomeAvaialbleToParticipatingCommonShareholders

151166000

USD

CY2015Q3

bku

Net Income Avaialble To Participating Common Shareholders

NetIncomeAvaialbleToParticipatingCommonShareholders

98287000

USD

bku

Net Income Avaialble To Participating Common Shareholders

NetIncomeAvaialbleToParticipatingCommonShareholders

187819000

USD

CY2015Q3

bku

Number Of Branches

NumberOfBranches

97

branch

CY2015Q3

bku

Number Of Geographic Areas Branches Located In

NumberOfGeographicAreasBranchesLocatedIn

15

county

CY2014Q4

bku

Number Of Held To Maturity Securities

NumberOfHeldToMaturitySecurities

1

security

CY2015Q3

bku

Number Of Held To Maturity Securities

NumberOfHeldToMaturitySecurities

1

security

CY2009Q2

bku

Number Of Loss Sharing Agreements

NumberOfLossSharingAgreements

2

Agreement

CY2015Q3

bku

Number Of Securities Amount Of Impairment Insignificant

NumberOfSecuritiesAmountOfImpairmentInsignificant

8

security

bku

Number Of Securities Determined To Be Other Than Temporarily Impaired During The Period

NumberOfSecuritiesDeterminedToBeOtherThanTemporarilyImpairedDuringThePeriod

0

security

bku

Number Of Securities Determined To Be Other Than Temporarily Impaired During The Period

NumberOfSecuritiesDeterminedToBeOtherThanTemporarilyImpairedDuringThePeriod

0

security

bku

Number Of Subsidiaries

NumberOfSubsidiaries

1

subsidiary

CY2014Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense Adjustment For Sale Of Securities Included In Net Income Before Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax

1427000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense Adjustment For Sale Of Securities Included In Net Income Before Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax

4234000

USD

CY2015Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense Adjustment For Sale Of Securities Included In Net Income Before Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax

1449000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense Adjustment For Sale Of Securities Included In Net Income Before Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax

4302000

USD

CY2014Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Before Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax

5302000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Before Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax

15702000

USD

CY2015Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Before Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax

5529000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Before Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax

15750000

USD

CY2014Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Net Of Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax

3257000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Net Of Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax

9645000

USD

CY2015Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Net Of Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax

3345000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Net Of Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax

9529000

USD

CY2014Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Tax Effect

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTaxEffect

2045000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Tax Effect

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTaxEffect

6057000

USD

CY2015Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Tax Effect

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTaxEffect

2184000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Borrowings Adjustment For Sale Of Securities Included In Net Income Tax Effect

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnBorrowingsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTaxEffect

6221000

USD

CY2014Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Net Of Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax

877000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Net Of Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax

2601000

USD

CY2015Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Net Of Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax

877000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Net Of Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax

2603000

USD

CY2014Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax

550000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax

1633000

USD

CY2015Q3

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax

572000

USD

bku

Other Comprehensive Income Loss Reclassified To Interest Expense On Deposits Adjustment For Sale Of Securities Included In Net Income Tax

OtherComprehensiveIncomeLossReclassifiedToInterestExpenseOnDepositsAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax

1699000

USD

CY2014Q3

bku

Otherrealestateownedexpenseincomenet

1501000

USD

bku

Otherrealestateownedexpenseincomenet

1530000

USD

CY2015Q3

bku

Otherrealestateownedexpenseincomenet

1191000

USD

bku

Otherrealestateownedexpenseincomenet

3468000

USD

CY2009Q2

bku

Percent Fdic Will Reimburse For Losses

PercentFDICWillReimburseForLosses

0.8

CY2009Q2

bku

Percent Of Losses In Excess Of Maximum Amount Fdic Will Reimburse

PercentOfLossesInExcessOfMaximumAmountFDICWillReimburse

0.95

CY2014Q4

bku

Percent Of Total Loans

PercentOfTotalLoans

1.000

CY2015Q3

bku

Percent Of Total Loans

PercentOfTotalLoans

0

CY2014Q3

bku

Provision For Covered Loans And Unfunded Commitments

ProvisionForCoveredLoansAndUnfundedCommitments

-900000

USD

bku

Provision For Covered Loans And Unfunded Commitments

ProvisionForCoveredLoansAndUnfundedCommitments

793000

USD

CY2015Q3

bku

Provision For Covered Loans And Unfunded Commitments

ProvisionForCoveredLoansAndUnfundedCommitments

1038000

USD

bku

Provision For Covered Loans And Unfunded Commitments

ProvisionForCoveredLoansAndUnfundedCommitments

565000

USD

CY2015Q3

bku

Provision For Covered Unfunded Commitments

ProvisionForCoveredUnfundedCommitments

35000

USD

bku

Provision For Covered Unfunded Commitments

ProvisionForCoveredUnfundedCommitments

102000

USD

CY2014Q3

bku

Provision For Loan And Lease Losses Covered Loans

ProvisionForLoanAndLeaseLossesCoveredLoans

900000

USD

bku

Provision For Loan And Lease Losses Covered Loans

ProvisionForLoanAndLeaseLossesCoveredLoans

-793000

USD

CY2015Q3

bku

Provision For Loan And Lease Losses Covered Loans

ProvisionForLoanAndLeaseLossesCoveredLoans

-1073000

USD

bku

Provision For Loan And Lease Losses Covered Loans

ProvisionForLoanAndLeaseLossesCoveredLoans

-667000

USD

bku

Shareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantmaximumin Dollarsper Share

ShareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantmaximuminDollarsperShare

34.04

bku

Shareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantmaximumin Dollarsper Share

ShareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantmaximuminDollarsperShare

36.50

bku

Shareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantminimumin Dollarsper Share

ShareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantminimuminDollarsperShare

30.34

bku

Shareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantminimumin Dollarsper Share

ShareawardsgrantedvaluedatclosingpriceofcommonstockondateofgrantminimuminDollarsperShare

31.35

CY2014Q4

bku

Unpaid Principal Balance Of Aci Loans

UnpaidPrincipalBalanceOfAciLoans

2600000000

USD

CY2015Q3

bku

Unpaid Principal Balance Of Aci Loans

UnpaidPrincipalBalanceOfAciLoans

2200000000

USD

bku

Value At Which Non Accrual Status Commercial Relationships Are Evaluated For Impairment

ValueAtWhichNonAccrualStatusCommercialRelationshipsAreEvaluatedForImpairment

750000

USD

CY2015Q3

bku

Value Of Pledged Real Estate Loans With Unpaid Principal Balance

ValueOfPledgedRealEstateLoansWithUnpaidPrincipalBalance

8200000000

USD

CY2014Q3

bku

Value Of Unpaid Principal Balance Of Aci Loans Sold

ValueOfUnpaidPrincipalBalanceOfACILoansSold

16000000

USD

bku

Value Of Unpaid Principal Balance Of Aci Loans Sold

ValueOfUnpaidPrincipalBalanceOfACILoansSold

45000000

USD

bku

Weighted Average Life Of Investment Portfolio

WeightedAverageLifeOfInvestmentPortfolio

P3Y10M20D

dei

Amendment Flag

AmendmentFlag

false

dei

Current Fiscal Year End Date

CurrentFiscalYearEndDate

--12-31

dei

Document Fiscal Period Focus

DocumentFiscalPeriodFocus

Q3

dei

Document Fiscal Year Focus

DocumentFiscalYearFocus

2015

dei

Document Period End Date

DocumentPeriodEndDate

2015-09-30

dei

Document Type

DocumentType

10-Q

dei

Entity Central Index Key

EntityCentralIndexKey

0001504008

CY2015Q4

dei

Entity Common Stock Shares Outstanding

EntityCommonStockSharesOutstanding

103524426

shares

dei

Entity Current Reporting Status

EntityCurrentReportingStatus

Yes

dei

Entity Filer Category

EntityFilerCategory

Large Accelerated Filer

dei

Entity Registrant Name

EntityRegistrantName

BankUnited, Inc.

dei

Entity Voluntary Filers

EntityVoluntaryFilers

No

dei

Entity Well Known Seasoned Issuer

EntityWellKnownSeasonedIssuer

Yes

CY2014Q4

invest

Derivative Notional Amount

DerivativeNotionalAmount

3104736000

USD

CY2015Q3

us-gaap

Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

30519000

USD

CY2015Q3

invest

Derivative Notional Amount

DerivativeNotionalAmount

3578478000

USD

CY2013Q4

us-gaap

Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

57480000

USD

CY2014Q3

us-gaap

Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

63427000

USD

CY2014Q4

us-gaap

Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

46352000

USD

CY2014Q4

us-gaap

Additional Paid In Capital

AdditionalPaidInCapital

1353538000

USD

CY2015Q3

us-gaap

Additional Paid In Capital

AdditionalPaidInCapital

1399003000

USD

us-gaap

Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation

AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation

1483000

USD

us-gaap

Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation

AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation

276000

USD

CY2014Q3

us-gaap

Allowance For Loan And Lease Loss Recovery Of Bad Debts

AllowanceForLoanAndLeaseLossRecoveryOfBadDebts

704000

USD

us-gaap

Allowance For Loan And Lease Loss Recovery Of Bad Debts

AllowanceForLoanAndLeaseLossRecoveryOfBadDebts

1421000

USD

CY2015Q3

us-gaap

Allowance For Loan And Lease Loss Recovery Of Bad Debts

AllowanceForLoanAndLeaseLossRecoveryOfBadDebts

173000

USD

us-gaap

Allowance For Loan And Lease Loss Recovery Of Bad Debts

AllowanceForLoanAndLeaseLossRecoveryOfBadDebts

1000000

USD

CY2014Q3

us-gaap

Allowance For Loan And Lease Losses Write Offs

AllowanceForLoanAndLeaseLossesWriteOffs

2694000

USD

us-gaap

Allowance For Loan And Lease Losses Write Offs

AllowanceForLoanAndLeaseLossesWriteOffs

13260000

USD

CY2015Q3

us-gaap

Allowance For Loan And Lease Losses Write Offs

AllowanceForLoanAndLeaseLossesWriteOffs

7092000

USD

us-gaap

Allowance For Loan And Lease Losses Write Offs

AllowanceForLoanAndLeaseLossesWriteOffs

12644000

USD

CY2014Q4

us-gaap

Assets

19210529000

USD

CY2015Q3

us-gaap

Assets

22537671000

USD

CY2014Q4

us-gaap

Assets Fair Value Disclosure Recurring

AssetsFairValueDisclosureRecurring

4615508000

USD

CY2015Q3

us-gaap

Assets Fair Value Disclosure Recurring

AssetsFairValueDisclosureRecurring

4710409000

USD

CY2014Q4

us-gaap

Available For Sale Securities

AvailableForSaleSecurities

4585694000

USD

CY2015Q3

us-gaap

Available For Sale Securities

AvailableForSaleSecurities

4661446000

USD

CY2014Q4

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

127295000

USD

CY2015Q3

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

115468000

USD

CY2014Q4

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

16091000

USD

CY2015Q3

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

14107000

USD

CY2014Q4

us-gaap

Available For Sale Securities Amortized Cost

AvailableForSaleSecuritiesAmortizedCost

4474490000

USD

CY2015Q3

us-gaap

Available For Sale Securities Amortized Cost

AvailableForSaleSecuritiesAmortizedCost

4560085000

USD

CY2014Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

10511000

USD

CY2015Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

6159000

USD

CY2014Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

1060759000

USD

CY2015Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

1349814000

USD

CY2014Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

5580000

USD

CY2015Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

7948000

USD

CY2014Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

506258000

USD

CY2015Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

907089000

USD

CY2014Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

554501000

USD

CY2015Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

442725000

USD

CY2015Q3

us-gaap

Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

1090732000

USD

CY2015Q3

us-gaap

Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value

AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

1114166000

USD

CY2015Q3

us-gaap

Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

2299502000

USD

CY2015Q3

us-gaap

Available For Sale Securities Debt Maturities After One Through Five Years Fair Value

AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

2337361000

USD

CY2015Q3

us-gaap

Available For Sale Securities Debt Maturities After Ten Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

466756000

USD

CY2015Q3

us-gaap

Available For Sale Securities Debt Maturities After Ten Years Fair Value

AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

486049000

USD

CY2015Q3

us-gaap

Available For Sale Securities Debt Maturities Within One Year Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

627272000

USD

CY2015Q3

us-gaap

Available For Sale Securities Debt Maturities Within One Year Fair Value

AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

638794000

USD

CY2015Q3

us-gaap

Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

75823000

USD

CY2015Q3

us-gaap

Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value

AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

85076000

USD

CY2014Q3

us-gaap

Available For Sale Securities Gross Realized Gain Loss Net

AvailableForSaleSecuritiesGrossRealizedGainLossNet

795000

USD

CY2015Q3

us-gaap

Available For Sale Securities Gross Realized Gain Loss Net

AvailableForSaleSecuritiesGrossRealizedGainLossNet

2343000

USD

CY2014Q3

us-gaap

Available For Sale Securities Gross Realized Gains

AvailableForSaleSecuritiesGrossRealizedGains

795000

USD

us-gaap

Available For Sale Securities Gross Realized Gains

AvailableForSaleSecuritiesGrossRealizedGains

2075000

USD

CY2015Q3

us-gaap

Available For Sale Securities Gross Realized Gains

AvailableForSaleSecuritiesGrossRealizedGains

2343000

USD

us-gaap

Available For Sale Securities Gross Realized Gains

AvailableForSaleSecuritiesGrossRealizedGains

5968000

USD

CY2014Q3

us-gaap

Available For Sale Securities Gross Realized Losses

AvailableForSaleSecuritiesGrossRealizedLosses

0

USD

us-gaap

Available For Sale Securities Gross Realized Losses

AvailableForSaleSecuritiesGrossRealizedLosses

919000

USD

CY2015Q3

us-gaap

Available For Sale Securities Gross Realized Losses

AvailableForSaleSecuritiesGrossRealizedLosses

0

USD

us-gaap

Available For Sale Securities Gross Realized Losses

AvailableForSaleSecuritiesGrossRealizedLosses

475000

USD

CY2014Q4

us-gaap

Available For Sale Securities Pledged As Collateral

AvailableForSaleSecuritiesPledgedAsCollateral

1000000000

USD

CY2015Q3

us-gaap

Available For Sale Securities Pledged As Collateral

AvailableForSaleSecuritiesPledgedAsCollateral

1200000000

USD

CY2014Q3

us-gaap

Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments

AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments

795000

USD

us-gaap

Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments

AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments

1156000

USD

CY2015Q3

us-gaap

Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments

AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments

2343000

USD

us-gaap

Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments

AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments

5493000

USD

CY2015Q3

us-gaap

Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1

AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1

47

security

CY2014Q4

us-gaap

Bank Owned Life Insurance

BankOwnedLifeInsurance

215065000

USD

CY2015Q3

us-gaap

Bank Owned Life Insurance

BankOwnedLifeInsurance

225089000

USD

us-gaap

Bank Owned Life Insurance Income

BankOwnedLifeInsuranceIncome

2264000

USD

us-gaap

Bank Owned Life Insurance Income

BankOwnedLifeInsuranceIncome

2324000

USD

CY2015Q2

us-gaap

Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount

BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount

10406000

USD

CY2015Q2

us-gaap

Business Combination Acquired Receivables Estimated Uncollectible

BusinessCombinationAcquiredReceivablesEstimatedUncollectible

13000000

USD

CY2015Q2

us-gaap

Business Combination Acquired Receivables Gross Contractual Amount

BusinessCombinationAcquiredReceivablesGrossContractualAmount

249000000

USD

CY2015Q2

us-gaap

Business Combination Consideration Transferred1

BusinessCombinationConsiderationTransferred1

277553000

USD

us-gaap

Business Combination Consideration Transferred1

BusinessCombinationConsiderationTransferred1

0

USD

us-gaap

Business Combination Consideration Transferred1

BusinessCombinationConsiderationTransferred1

277553000

USD

CY2015Q2

us-gaap

Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets

BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

270767000

USD

CY2015Q2

us-gaap

Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Prepaid Expense And Other Assets

BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets

4397000

USD

CY2015Q2

us-gaap

Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities

BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

3620000

USD

CY2015Q2

us-gaap

Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net

BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet

267147000

USD

us-gaap

Capital Expenditures Incurred But Not Yet Paid

CapitalExpendituresIncurredButNotYetPaid

9035000

USD

us-gaap

Capital Expenditures Incurred But Not Yet Paid

CapitalExpendituresIncurredButNotYetPaid

0

USD

CY2014Q4

us-gaap

Capital Leases Net Investment In Direct Financing Leases

CapitalLeasesNetInvestmentInDirectFinancingLeases

458000000

USD

CY2015Q3

us-gaap

Capital Leases Net Investment In Direct Financing Leases

CapitalLeasesNetInvestmentInDirectFinancingLeases

444000000

USD

CY2013Q4

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

252749000

USD

CY2014Q3

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

348144000

USD

CY2014Q4

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

187517000

USD

CY2015Q3

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

276281000

USD

us-gaap

Cash And Cash Equivalents Period Increase Decrease

CashAndCashEquivalentsPeriodIncreaseDecrease

95395000

USD

us-gaap

Cash And Cash Equivalents Period Increase Decrease

CashAndCashEquivalentsPeriodIncreaseDecrease

88764000

USD

CY2014Q4

us-gaap

Cash And Due From Banks

CashAndDueFromBanks

46268000

USD

CY2015Q3

us-gaap

Cash And Due From Banks

CashAndDueFromBanks

25262000

USD

CY2014Q4

us-gaap

Commitments And Contingencies

CommitmentsAndContingencies

USD

CY2015Q3

us-gaap

Commitments And Contingencies

CommitmentsAndContingencies

USD

CY2014Q3

us-gaap

Common Stock Dividends Per Share Declared

CommonStockDividendsPerShareDeclared

0.21

us-gaap

Common Stock Dividends Per Share Declared

CommonStockDividendsPerShareDeclared

0.63

CY2015Q3

us-gaap

Common Stock Dividends Per Share Declared

CommonStockDividendsPerShareDeclared

0.21

us-gaap

Common Stock Dividends Per Share Declared

CommonStockDividendsPerShareDeclared

0.63

CY2014Q4

us-gaap

Common Stock Par Or Stated Value Per Share

CommonStockParOrStatedValuePerShare

0.01

CY2015Q3

us-gaap

Common Stock Par Or Stated Value Per Share

CommonStockParOrStatedValuePerShare

0.01

CY2014Q4

us-gaap

Common Stock Shares Authorized

CommonStockSharesAuthorized

400000000

shares

CY2015Q3

us-gaap

Common Stock Shares Authorized

CommonStockSharesAuthorized

400000000

shares

CY2014Q4

us-gaap

Common Stock Shares Issued

CommonStockSharesIssued

101656702

shares

CY2015Q3

us-gaap

Common Stock Shares Issued

CommonStockSharesIssued

103529759.000

shares

CY2014Q4

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

101656702

shares

CY2015Q3

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

103529759

shares

CY2014Q4

us-gaap

Common Stock Value

CommonStockValue

1017000

USD

CY2015Q3

us-gaap

Common Stock Value

CommonStockValue

1035000

USD

CY2014Q3

us-gaap

Communications And Information Technology

CommunicationsAndInformationTechnology

3332000

USD

us-gaap

Communications And Information Technology

CommunicationsAndInformationTechnology

9905000

USD

CY2015Q3

us-gaap

Communications And Information Technology

CommunicationsAndInformationTechnology

3451000

USD

us-gaap

Communications And Information Technology

CommunicationsAndInformationTechnology

10267000

USD

CY2014Q3

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

42706000

USD

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

163328000

USD

CY2015Q3

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

81688000

USD

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

179564000

USD

us-gaap

Deferred Income Tax Expense Benefit

DeferredIncomeTaxExpenseBenefit

-31206000

USD

us-gaap

Deferred Income Tax Expense Benefit

DeferredIncomeTaxExpenseBenefit

-24445000

USD

CY2014Q4

us-gaap

Deferred Tax Assets Net

DeferredTaxAssetsNet

117215000

USD

CY2015Q3

us-gaap

Deferred Tax Assets Net

DeferredTaxAssetsNet

154050000

USD

CY2014Q4

us-gaap

Deposits

13511755000

USD

CY2015Q3

us-gaap

Deposits

15897892000

USD

CY2014Q4

us-gaap

Deposits Savings Deposits

DepositsSavingsDeposits

5896007000

USD

CY2015Q3

us-gaap

Deposits Savings Deposits

DepositsSavingsDeposits

7260978000

USD

us-gaap

Depreciation Amortization And Accretion Net

DepreciationAmortizationAndAccretionNet

22808000

USD

us-gaap

Depreciation Amortization And Accretion Net

DepreciationAmortizationAndAccretionNet

30744000

USD

CY2014Q4

us-gaap

Derivative Asset Collateral Obligation To Return Cash Offset

DerivativeAssetCollateralObligationToReturnCashOffset

0

USD

CY2015Q3

us-gaap

Derivative Asset Collateral Obligation To Return Cash Offset

DerivativeAssetCollateralObligationToReturnCashOffset

0

USD

CY2014Q4

us-gaap

Derivative Asset Fair Value Gross Liability

DerivativeAssetFairValueGrossLiability

4143000

USD

CY2015Q3

us-gaap

Derivative Asset Fair Value Gross Liability

DerivativeAssetFairValueGrossLiability

104000

USD

CY2014Q4

us-gaap

Derivative Asset Fair Value Of Collateral

DerivativeAssetFairValueOfCollateral

0

USD

CY2015Q3

us-gaap

Derivative Asset Fair Value Of Collateral

DerivativeAssetFairValueOfCollateral

0

USD

CY2014Q4

us-gaap

Derivative Assets

DerivativeAssets

0

USD

CY2015Q3

us-gaap

Derivative Assets

DerivativeAssets

0

USD

CY2014Q4

us-gaap

Derivative Assets Liabilities At Fair Value Net

DerivativeAssetsLiabilitiesAtFairValueNet

0

USD

CY2015Q3

us-gaap

Derivative Assets Liabilities At Fair Value Net

DerivativeAssetsLiabilitiesAtFairValueNet

-11000

USD

CY2014Q4

us-gaap

Derivative Fair Value Of Derivative Asset

DerivativeFairValueOfDerivativeAsset

4143000

USD

CY2015Q3

us-gaap

Derivative Fair Value Of Derivative Asset

DerivativeFairValueOfDerivativeAsset

104000

USD

CY2014Q4

us-gaap

Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral

DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral

4143000

USD

CY2015Q3

us-gaap

Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral

DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral

104000

USD

CY2014Q4

us-gaap

Derivative Fair Value Of Derivative Liability

DerivativeFairValueOfDerivativeLiability

69117000

USD

CY2015Q3

us-gaap

Derivative Fair Value Of Derivative Liability

DerivativeFairValueOfDerivativeLiability

97236000

USD

CY2014Q4

us-gaap

Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral

DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral

69117000

USD

CY2015Q3

us-gaap

Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral

DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral

97236000

USD

CY2014Q3

us-gaap

Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net

DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet

0

USD

us-gaap

Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net

DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet

0

USD

CY2015Q3

us-gaap

Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net

DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet

0

USD

us-gaap

Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net

DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet

0

USD

CY2014Q3

us-gaap

Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion

DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion

6729000

USD

us-gaap

Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion

DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion

19936000

USD

CY2015Q3

us-gaap

Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion

DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion

6978000

USD

us-gaap

Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion

DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion

20052000

USD

CY2014Q4

us-gaap

Derivative Liabilities

DerivativeLiabilities

0

USD

CY2015Q3

us-gaap

Derivative Liabilities

DerivativeLiabilities

11000

USD

CY2014Q4

us-gaap

Derivative Liability Collateral Right To Reclaim Cash Offset

DerivativeLiabilityCollateralRightToReclaimCashOffset

0

USD

CY2015Q3

us-gaap

Derivative Liability Collateral Right To Reclaim Cash Offset

DerivativeLiabilityCollateralRightToReclaimCashOffset

0

USD

CY2014Q4

us-gaap

Derivative Liability Fair Value Gross Asset

DerivativeLiabilityFairValueGrossAsset

4143000

USD

CY2015Q3

us-gaap

Derivative Liability Fair Value Gross Asset

DerivativeLiabilityFairValueGrossAsset

104000

USD

CY2014Q4

us-gaap

Derivative Liability Fair Value Of Collateral

DerivativeLiabilityFairValueOfCollateral

64974000

USD

CY2015Q3

us-gaap

Derivative Liability Fair Value Of Collateral

DerivativeLiabilityFairValueOfCollateral

97121000

USD

us-gaap

Discontinuation Of Cash Flow Hedge

DiscontinuationOfCashFlowHedge

0

us-gaap

Discontinuation Of Cash Flow Hedge

DiscontinuationOfCashFlowHedge

0

us-gaap

Dividends Common Stock Cash

DividendsCommonStockCash

65883000

USD

us-gaap

Dividends Common Stock Cash

DividendsCommonStockCash

67013000

USD

CY2014Q3

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.51

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

1.51

CY2015Q3

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.96

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

1.84

CY2014Q3

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.51

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

1.50

CY2015Q3

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.95

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

1.83

CY2014Q3

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

0.270

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

0.321

CY2015Q3

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

-0.461

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

0.076

CY2014Q3

us-gaap

Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate

EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

0.350

us-gaap

Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate

EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

0.350

CY2015Q3

us-gaap

Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate

EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

0.350

us-gaap

Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate

EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

0.350

CY2014Q3

us-gaap

Effective Income Tax Rate Reconciliation Other Adjustments

EffectiveIncomeTaxRateReconciliationOtherAdjustments

0.009

us-gaap

Effective Income Tax Rate Reconciliation Other Adjustments

EffectiveIncomeTaxRateReconciliationOtherAdjustments

-0.003

CY2015Q3

us-gaap

Effective Income Tax Rate Reconciliation Other Adjustments

EffectiveIncomeTaxRateReconciliationOtherAdjustments

-0.028

us-gaap

Effective Income Tax Rate Reconciliation Other Adjustments

EffectiveIncomeTaxRateReconciliationOtherAdjustments

-0.012

CY2014Q3

us-gaap

Effective Income Tax Rate Reconciliation State And Local Income Taxes

EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes

0.014

us-gaap

Effective Income Tax Rate Reconciliation State And Local Income Taxes

EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes

0.027

CY2015Q3

us-gaap

Effective Income Tax Rate Reconciliation State And Local Income Taxes

EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes

0.054

us-gaap

Effective Income Tax Rate Reconciliation State And Local Income Taxes

EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes

0.047

us-gaap

Undistributed Earnings Loss Allocated To Participating Securities Diluted

UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted

-30000

USD

CY2014Q3

us-gaap

Effective Income Tax Rate Reconciliation Tax Exempt Income

EffectiveIncomeTaxRateReconciliationTaxExemptIncome

-0.035

us-gaap

Effective Income Tax Rate Reconciliation Tax Exempt Income

EffectiveIncomeTaxRateReconciliationTaxExemptIncome

-0.031

CY2015Q3

us-gaap

Effective Income Tax Rate Reconciliation Tax Exempt Income

EffectiveIncomeTaxRateReconciliationTaxExemptIncome

-0.049

us-gaap

Effective Income Tax Rate Reconciliation Tax Exempt Income

EffectiveIncomeTaxRateReconciliationTaxExemptIncome

-0.047

us-gaap

Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1

EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1

P2Y0M1D

CY2015Q3

us-gaap

Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options

EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

24200000

USD

us-gaap

Escrow Deposits Related To Property Sales

EscrowDepositsRelatedToPropertySales

0

USD

us-gaap

Escrow Deposits Related To Property Sales

EscrowDepositsRelatedToPropertySales

52237000

USD

us-gaap

Excess Tax Benefit From Share Based Compensation Financing Activities

ExcessTaxBenefitFromShareBasedCompensationFinancingActivities

1483000

USD

us-gaap

Excess Tax Benefit From Share Based Compensation Financing Activities

ExcessTaxBenefitFromShareBasedCompensationFinancingActivities

276000

USD

us-gaap

Excess Tax Benefit From Share Based Compensation Operating Activities

ExcessTaxBenefitFromShareBasedCompensationOperatingActivities

1483000

USD

us-gaap

Excess Tax Benefit From Share Based Compensation Operating Activities

ExcessTaxBenefitFromShareBasedCompensationOperatingActivities

276000

USD

CY2014Q4

us-gaap

Fdic Indemnification Asset

FDICIndemnificationAsset

974704000

USD

CY2015Q3

us-gaap

Fdic Indemnification Asset

FDICIndemnificationAsset

798223000

USD

CY2014Q3

us-gaap

Fdic Indemnification Asset Accretion Of Discount

FDICIndemnificationAssetAccretionOfDiscount

17948000

USD

us-gaap

Fdic Indemnification Asset Accretion Of Discount

FDICIndemnificationAssetAccretionOfDiscount

48883000

USD

CY2014

us-gaap

Fdic Indemnification Asset Accretion Of Discount

FDICIndemnificationAssetAccretionOfDiscount

69470000

USD

CY2015Q3

us-gaap

Fdic Indemnification Asset Accretion Of Discount

FDICIndemnificationAssetAccretionOfDiscount

28409000

USD

us-gaap

Fdic Indemnification Asset Accretion Of Discount

FDICIndemnificationAssetAccretionOfDiscount

76874000

USD

CY2014Q3

us-gaap

Federal Deposit Insurance Corporation Premium Expense

FederalDepositInsuranceCorporationPremiumExpense

2452000

USD

us-gaap

Federal Deposit Insurance Corporation Premium Expense

FederalDepositInsuranceCorporationPremiumExpense

7015000

USD

CY2015Q3

us-gaap

Federal Deposit Insurance Corporation Premium Expense

FederalDepositInsuranceCorporationPremiumExpense

3615000

USD

us-gaap

Federal Deposit Insurance Corporation Premium Expense

FederalDepositInsuranceCorporationPremiumExpense

9696000

USD

CY2014Q4

us-gaap

Federal Funds Sold

FederalFundsSold

6674000

USD

CY2015Q3

us-gaap

Federal Funds Sold

FederalFundsSold

3867000

USD

CY2014Q4

us-gaap

Federal Home Loan Bank Advances Long Term

FederalHomeLoanBankAdvancesLongTerm

3318559000

USD

CY2015Q3

us-gaap

Federal Home Loan Bank Advances Long Term

FederalHomeLoanBankAdvancesLongTerm

4093816000

USD

CY2014Q4

us-gaap

Federal Home Loan Bank Stock And Federal Reserve Bank Stock

FederalHomeLoanBankStockAndFederalReserveBankStock

191674000

USD

CY2015Q3

us-gaap

Federal Home Loan Bank Stock And Federal Reserve Bank Stock

FederalHomeLoanBankStockAndFederalReserveBankStock

217945000

USD

CY2014Q3

us-gaap

Fees And Commissions

FeesAndCommissions

4236000

USD

us-gaap

Fees And Commissions

FeesAndCommissions

12427000

USD

CY2015Q3

us-gaap

Fees And Commissions

FeesAndCommissions

4637000

USD

us-gaap

Fees And Commissions

FeesAndCommissions

13580000

USD

CY2013Q4

us-gaap

Financing Receivable Allowance For Credit Losses