$WTFC
WINTRUST FINANCIAL CORP Stock $wtfc

$wtfc Overview Financials Valuation SEC Filings Company Website

2016 Q4 Form 10-Q Financial Statement

#000101532816000427 Filed on November 08, 2016

Income Statement

Concept	2016 Q4	2015 Q3
Revenue	$215.0M	$230.5M
YoY Change	14.68%	9.96%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$14.30M	$12.20M
YoY Change	10.0%	43.53%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$24.24M	$19.84M
YoY Change	19.5%	4.38%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$88.33M	$62.20M
YoY Change	56.59%	-4.69%
Income Tax	$33.72M	$23.84M
% Of Pretax Income	38.18%	38.33%
Net Earnings	$54.61M	$38.36M
YoY Change	53.77%	-4.65%
Net Earnings / Revenue	25.4%	16.64%
Basic Earnings Per Share	$0.98	$0.71
Diluted Earnings Per Share	$0.94	$0.69
COMMON SHARES
Basic Shares Outstanding	51.77M shares	48.16M shares
Diluted Shares Outstanding		52.21M shares

Balance Sheet

Concept	2016 Q4	2015 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$270.0M	$250.7M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$597.3M	$587.3M
YoY Change	0.85%	5.78%
Goodwill	$498.6M	$472.2M
YoY Change	5.69%	16.12%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$25.67B	$22.04B
YoY Change	12.04%	14.95%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$505.0M	$360.0M
YoY Change	29.16%	25.44%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$61.81M	$57.59M
YoY Change	-3.25%	74.52%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$505.0M	$360.0M
YoY Change	29.16%	25.44%
LONG-TERM LIABILITIES
Long-Term Debt	$655.0M	$611.0M
YoY Change	-2.67%	49.75%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$655.0M	$611.0M
YoY Change	-2.67%	49.75%
TOTAL LIABILITIES
Total Short-Term Liabilities	$505.0M	$360.0M
Total Long-Term Liabilities	$655.0M	$611.0M
Total Liabilities	$22.97B	$19.70B
YoY Change	11.75%	14.93%
SHAREHOLDERS EQUITY
Retained Earnings	$1.097B	$901.7M
YoY Change	18.13%	16.87%
Common Stock	$51.98M	$48.42M
YoY Change	7.24%	3.54%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$4.589M	$3.964M
YoY Change	15.5%	12.65%
Treasury Stock Shares	97.75K shares	85.42K shares
Shareholders Equity	$2.696B	$2.336B
YoY Change
Total Liabilities & Shareholders Equity	$25.67B	$22.04B
YoY Change	12.04%	14.95%

Cashflow Statement

Concept	2016 Q4	2015 Q3
OPERATING ACTIVITIES
Net Income	$54.61M	$38.36M
YoY Change	53.77%	-4.65%
Depreciation, Depletion And Amortization	$14.30M	$12.20M
YoY Change	10.0%	43.53%
Cash From Operating Activities	$393.6M	$66.40M
YoY Change	1352.4%	97.62%
INVESTING ACTIVITIES
Capital Expenditures	-$5.600M	-$3.900M
YoY Change	-60.28%	-71.32%
Acquisitions
YoY Change
Other Investing Activities	-$474.4M	-$389.4M
YoY Change	-41.07%	-1936.79%
Cash From Investing Activities	-$480.0M	-$393.2M
YoY Change	-41.41%	-5273.68%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	109.5M	325.3M
YoY Change	-86.6%	-394.12%
NET CHANGE
Cash From Operating Activities	393.6M	66.40M
Cash From Investing Activities	-480.0M	-393.2M
Cash From Financing Activities	109.5M	325.3M
Net Change In Cash	23.10M	-1.500M
YoY Change	-7.97%	-97.84%
FREE CASH FLOW
Cash From Operating Activities	$393.6M	$66.40M
Capital Expenditures	-$5.600M	-$3.900M
Free Cash Flow	$399.2M	$70.30M
YoY Change	868.93%	48.94%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Type DocumentType	10-Q
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2016
	dei	Document Period End Date DocumentPeriodEndDate	2016-09-30
	dei	Entity Central Index Key EntityCentralIndexKey	0001015328
CY2016Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	51771192	shares
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	WINTRUST FINANCIAL CORP
	dei	Trading Symbol TradingSymbol	WTFC
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CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	51298000	USD
CY2016Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	88828000	USD
CY2015Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	65198000	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	45019000	USD
CY2016Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	87948000	USD
CY2016Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	80600000	USD
CY2015Q3	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	4001518000	USD
CY2015Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	4041300000	USD
CY2016Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2016-02-25
CY2016Q2	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2016-05-26
CY2016Q3	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2016-08-25
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15746000	USD
CY2016Q3	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	4421631000	USD
CY2015Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1684007000	USD
CY2015Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1723367000	USD
CY2016Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1977661000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	28017000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	38798000	USD
CY2015Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	69034000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	17846000	USD
CY2016Q1	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2016-02-11
CY2016Q2	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2016-05-12
CY2016Q3	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2016-08-11
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	7240000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	10884000	USD
	us-gaap	Early Repayment Of Subordinated Debt EarlyRepaymentOfSubordinatedDebt	0	USD
	us-gaap	Early Repayment Of Subordinated Debt EarlyRepaymentOfSubordinatedDebt	10695000	USD
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.71
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.39
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.96
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.84
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.69
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.29
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.72
CY2015Q3	us-gaap	Equipment Expense EquipmentExpense	8456000	USD
	us-gaap	Equipment Expense EquipmentExpense	24090000	USD
CY2016Q3	us-gaap	Equipment Expense EquipmentExpense	9449000	USD
	us-gaap	Equipment Expense EquipmentExpense	27523000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	660000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	399000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	660000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	399000	USD
CY2014Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	11846000	USD
CY2015Q2	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	3429000	USD
CY2015Q3	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	-3033000	USD
CY2015Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	-6100000	USD
CY2016Q2	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	-11729000	USD
CY2016Q3	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	-17945000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	9069000	USD
CY2015Q3	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	-718000	USD
	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	-3184000	USD
CY2016Q3	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	4000	USD
	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	-189000	USD
CY2015Q3	us-gaap	Fdic Indemnification Asset Acquisitions FDICIndemnificationAssetAcquisitions	0	USD
	us-gaap	Fdic Indemnification Asset Acquisitions FDICIndemnificationAssetAcquisitions	0	USD
CY2016Q3	us-gaap	Fdic Indemnification Asset Acquisitions FDICIndemnificationAssetAcquisitions	0	USD
	us-gaap	Fdic Indemnification Asset Acquisitions FDICIndemnificationAssetAcquisitions	0	USD
CY2015Q3	us-gaap	Fdic Indemnification Asset Additional Estimated Losses FDICIndemnificationAssetAdditionalEstimatedLosses	1039000	USD
	us-gaap	Fdic Indemnification Asset Additional Estimated Losses FDICIndemnificationAssetAdditionalEstimatedLosses	3548000	USD
CY2016Q3	us-gaap	Fdic Indemnification Asset Additional Estimated Losses FDICIndemnificationAssetAdditionalEstimatedLosses	21000	USD
	us-gaap	Fdic Indemnification Asset Additional Estimated Losses FDICIndemnificationAssetAdditionalEstimatedLosses	752000	USD
CY2015Q3	us-gaap	Fdic Indemnification Asset Cash Payments Received FDICIndemnificationAssetCashPaymentsReceived	1547000	USD
	us-gaap	Fdic Indemnification Asset Cash Payments Received FDICIndemnificationAssetCashPaymentsReceived	1697000	USD
CY2016Q3	us-gaap	Fdic Indemnification Asset Cash Payments Received FDICIndemnificationAssetCashPaymentsReceived	1704000	USD
	us-gaap	Fdic Indemnification Asset Cash Payments Received FDICIndemnificationAssetCashPaymentsReceived	2124000	USD
CY2015Q3	us-gaap	Fdic Indemnification Asset Period Increase Decrease FDICIndemnificationAssetPeriodIncreaseDecrease	-5236000	USD
	us-gaap	Fdic Indemnification Asset Period Increase Decrease FDICIndemnificationAssetPeriodIncreaseDecrease	-13546000	USD
CY2016Q3	us-gaap	Fdic Indemnification Asset Period Increase Decrease FDICIndemnificationAssetPeriodIncreaseDecrease	-4537000	USD
	us-gaap	Fdic Indemnification Asset Period Increase Decrease FDICIndemnificationAssetPeriodIncreaseDecrease	-10284000	USD
CY2015Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3035000	USD
CY2016Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3686000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	11339000	USD
CY2015Q3	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	3314000	USD
CY2015Q4	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	4341000	USD
CY2016Q3	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	4122000	USD
CY2015Q3	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	443955000	USD
CY2015Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	853431000	USD
CY2016Q3	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	419632000	USD
CY2015Q3	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	90308000	USD
CY2015Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	101581000	USD
CY2016Q3	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	129630000	USD
CY2015Q3	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	7403000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	20174000	USD
CY2016Q3	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	8024000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	23156000	USD
CY2015Q3	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	27887000	USD
	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	91694000	USD
CY2016Q3	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	34712000	USD
	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	93254000	USD
CY2015Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	103922000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	119341000	USD
CY2015Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	94435000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	111150000	USD
CY2016Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	18569768000	USD
CY2015Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	114220000	USD
CY2016Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	91374000	USD
CY2015	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	15	Loan
CY2016	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	17	Loan
CY2015Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	10
CY2016Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	15
CY2015	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	5648000	USD
CY2016	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	9650000	USD
CY2015Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	8526000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	7367000	USD
CY2015Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1199000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	5043000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1194000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	4362000	USD
CY2015Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6877000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	17658000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6907000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	18478000	USD
CY2015Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	15640792000	USD
CY2015Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	222000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1833000	USD
CY2016Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	71000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	9449000	USD
CY2015Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	3	Loan
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	4	Loan
CY2016Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	5	Loan
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	7	Loan
CY2015Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	816000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1030000	USD
CY2016Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1191000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1392000	USD
CY2015Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	30185000	USD
CY2015Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	41872000	USD
CY2016Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	37396000	USD
CY2015Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	16271836000	USD
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	16993266000	USD
CY2016Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	18958594000	USD
CY2015Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	84145000	USD
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	78950000	USD
CY2016Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	77645000	USD
CY2016Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	3902000	USD
CY2016Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	1057000	USD
	wtfc	Interest Income Federal Home Loan Banks And Federal Reserve Bank Stock InterestIncomeFederalHomeLoanBanksAndFederalReserveBankStock	2375000	USD
CY2016Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2334000	USD
CY2016Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2875000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.72
CY2016Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3395000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	83437000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	74446000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-512000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	89000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	4305000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	585000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-935000	USD
CY2015Q3	us-gaap	Goodwill Goodwill	472166000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	471761000	USD
CY2016Q3	us-gaap	Goodwill Goodwill	485938000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	11470000	USD
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	2707000	USD
CY2015Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	0	USD
CY2015Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	884826000	USD
CY2016Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	932767000	USD
CY2015Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	USD
CY2015Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	871000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	13092000	USD
CY2015Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	USD
CY2015Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	7586000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	3193000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	110000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	3193000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	261564000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	3083000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	252325000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	9239000	USD
CY2015Q3	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	0	USD
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	0	USD
CY2016Q3	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	0	USD
CY2015Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	0	USD
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	762864000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	850801000	USD
CY2015Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	0	USD
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	96091000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	65842000	USD
CY2015Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	0	USD
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	19156000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	26023000	USD
CY2015Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	0	USD
CY2015Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	878111000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	942666000	USD
CY2015Q3	us-gaap	Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost	0	USD
CY2015Q4	us-gaap	Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost	0	USD
CY2016Q3	us-gaap	Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost	0	USD
CY2015Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling After Ten Years Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost	0	USD
CY2015Q4	us-gaap	Heldtomaturity Securities Debt Maturities Rolling After Ten Years Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost	769164000	USD
CY2016Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling After Ten Years Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost	842005000	USD
CY2015Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost	0	USD
CY2015Q4	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost	96454000	USD
CY2016Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost	64835000	USD
CY2015Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost	0	USD
CY2015Q4	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost	19208000	USD
CY2016Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost	25927000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	116642000	USD
CY2015	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	107170000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	94750000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	4731000	USD
CY2015	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	6198000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	4066000	USD
CY2015Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	113027000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	101255000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	90540000	USD
CY2015Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	8483000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	6380000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	6836000	USD
CY2015Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	132788000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	124249000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	106758000	USD
CY2015Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	61914000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	51294000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	51518000	USD
CY2015Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	51113000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	49961000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	39022000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	62197000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	195358000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	85054000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	243522000	USD
CY2015Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23842000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	74120000	USD
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31939000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	91255000	USD
	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	4072000	USD
	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	-2120000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	970090000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2408216000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	8.61
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	113805000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	131504000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-28717000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	31082000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	2106000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	644000	USD
CY2015Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	3071000	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	3071000	shares
CY2016Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	3109000	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	3109000	shares
CY2015Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	978000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1070000	shares
CY2016Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	938000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	822000	shares
CY2015Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	8127000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	19656000	USD
CY2016Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	7432000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	21089000	USD
CY2015Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	185379000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	530977000	USD
CY2016Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	208149000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	597444000	USD
CY2015Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	16130000	USD
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	44601000	USD
CY2016Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	15496000	USD
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	49084000	USD
CY2015Q3	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	19000	USD
	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	83000	USD
CY2016Q3	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	18000	USD
	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	43000	USD
CY2015Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	167831000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	482330000	USD
CY2016Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	190189000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	541846000	USD
CY2015Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	13522475000	USD
CY2015Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	13803214000	USD
CY2016Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	15436613000	USD
CY2015Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	701106000	USD
CY2015Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	607782000	USD
CY2016Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	816104000	USD
CY2015Q3	us-gaap	Interest Expense InterestExpense	19839000	USD
	us-gaap	Interest Expense InterestExpense	56654000	USD
CY2016Q3	us-gaap	Interest Expense InterestExpense	23513000	USD
	us-gaap	Interest Expense InterestExpense	66029000	USD
CY2015Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	1045000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	2620000	USD
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	5332000	USD
CY2016Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	1137000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	3281000	USD
CY2015Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	12436000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	36246000	USD
CY2016Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	15621000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	41996000	USD
CY2015Q3	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	2458000	USD
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	6426000	USD
CY2016Q3	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	2577000	USD
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	8447000	USD
CY2015Q3	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	2124000	USD
	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	6034000	USD
CY2016Q3	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	2400000	USD
	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	6973000	USD
CY2015Q3	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	1776000	USD
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	5328000	USD
CY2016Q3	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	1778000	USD
CY2015Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	372000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	993000	USD
CY2016Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	1156000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	2695000	USD
CY2015Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	157218000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	450440000	USD
CY2016Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	175065000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	504681000	USD
CY2015Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	165540000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	474323000	USD
CY2016Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	184636000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	531415000	USD
CY2015Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	1000	USD
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	4000	USD
CY2016Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	1000	USD
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	3000	USD
CY2015Q3	us-gaap	Interest Receivable And Other Assets InterestReceivableAndOtherAssets	629211000	USD
CY2015Q4	us-gaap	Interest Receivable And Other Assets InterestReceivableAndOtherAssets	597099000	USD
CY2016Q3	us-gaap	Interest Receivable And Other Assets InterestReceivableAndOtherAssets	660923000	USD
CY2015Q3	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	268566000	USD
CY2015Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	268566000	USD
CY2016Q3	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	253566000	USD
CY2015Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	97749000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	282300000	USD
CY2016Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	103718000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	300423000	USD
CY2015Q3	us-gaap	Liabilities Liabilities	19699480000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	20557074000	USD
CY2016Q3	us-gaap	Liabilities Liabilities	22647285000	USD
CY2015Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	22035216000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	22909348000	USD
CY2016Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	25321759000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	91705000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	100204000	USD
CY2015Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	102996000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	105400000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	114356000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	117693000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	2131000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	2215000	USD
CY2015Q3	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	2918000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	3026000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	2412000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	1422000	USD
CY2015Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	16316211000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	17118117000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	19101261000	USD
CY2015Q3	us-gaap	Loans And Leases Receivable Net Reported Amount Covered LoansAndLeasesReceivableNetReportedAmountCovered	168609000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered LoansAndLeasesReceivableNetReportedAmountCovered	148673000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Net Reported Amount Covered LoansAndLeasesReceivableNetReportedAmountCovered	95940000	USD
CY2015Q3	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	16378906000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	17158364000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	19078086000	USD
CY2015Q3	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	347005000	USD
CY2015Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	388038000	USD
CY2016Q3	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	559634000	USD
CY2016Q3	us-gaap	Loans Payable To Bank LoansPayableToBank	150000000	USD
CY2015Q3	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	-98000	USD
	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	402000	USD
CY2016Q3	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	3305000	USD
	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	6070000	USD
CY2015Q3	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	-98000	USD
	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	402000	USD
CY2016Q3	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	3305000	USD
	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	6070000	USD
CY2015Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	6237000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	16550000	USD
CY2016Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	7365000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	18085000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	830519000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2066458000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-822449000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2012302000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	11878000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-83004000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	38355000	USD
	us-gaap	Net Income Loss NetIncomeLoss	121238000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	53115000	USD
	us-gaap	Net Income Loss NetIncomeLoss	152267000	USD
CY2015Q3	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	35855000	USD
	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	118738000	USD
CY2016Q3	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	51065000	USD
	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	146118000	USD
CY2015Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	34276000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	113998000	USD
CY2016Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	49487000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	141383000	USD
CY2015Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4705994000	USD
CY2015Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4836420000	USD
CY2016Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	5711042000	USD
CY2015Q3	us-gaap	Noninterest Expense NoninterestExpense	159974000	USD
	us-gaap	Noninterest Expense NoninterestExpense	461589000	USD
CY2016Q3	us-gaap	Noninterest Expense NoninterestExpense	176615000	USD
	us-gaap	Noninterest Expense NoninterestExpense	501314000	USD
CY2015Q3	us-gaap	Noninterest Income NoninterestIncome	64953000	USD
	us-gaap	Noninterest Income NoninterestIncome	206507000	USD
CY2016Q3	us-gaap	Noninterest Income NoninterestIncome	86604000	USD
	us-gaap	Noninterest Income NoninterestIncome	240155000	USD
CY2015Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	8230000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	27380000	USD
CY2016Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	13569000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	40821000	USD
CY2015Q3	us-gaap	Notes Payable NotesPayable	71250000	USD
CY2015Q4	us-gaap	Notes Payable NotesPayable	67429000	USD
CY2016Q3	us-gaap	Notes Payable NotesPayable	56191000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2015Q3	us-gaap	Occupancy Net OccupancyNet	12066000	USD
	us-gaap	Occupancy Net OccupancyNet	35818000	USD
CY2016Q3	us-gaap	Occupancy Net OccupancyNet	12767000	USD
	us-gaap	Occupancy Net OccupancyNet	36658000	USD
CY2015Q3	us-gaap	Operating Leases Income Statement Depreciation Expense On Property Subject To Or Held For Lease OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease	431000	USD
	us-gaap	Operating Leases Income Statement Depreciation Expense On Property Subject To Or Held For Lease OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease	547000	USD
CY2016Q3	us-gaap	Operating Leases Income Statement Depreciation Expense On Property Subject To Or Held For Lease OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease	3605000	USD
	us-gaap	Operating Leases Income Statement Depreciation Expense On Property Subject To Or Held For Lease OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease	9040000	USD
CY2015Q3	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	613000	USD
	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	755000	USD
CY2016Q3	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	4459000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-6337000	USD
	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	11270000	USD
CY2015Q3	us-gaap	Other Borrowings OtherBorrowings	259805000	USD
CY2015Q4	us-gaap	Other Borrowings OtherBorrowings	265785000	USD
CY2016Q3	us-gaap	Other Borrowings OtherBorrowings	241366000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	19055000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2255000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1822000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	23467000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	12371000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-12394000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	925000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	25516000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-8682000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-18900000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-2237000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	6966000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-13866000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1644000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	5006000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-2345000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-5034000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-593000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	1960000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	12778000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-11761000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1861000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	30129000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-98000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	402000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	3305000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	6070000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-60000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	244000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2005000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	3684000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-38000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	158000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1300000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	2386000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	99000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-247000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	2773000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	2728000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	60000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-150000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1683000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1656000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	39000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-97000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	1090000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	1072000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	31268000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	4144000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	2525000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	33669000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	18995000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2499000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1532000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	20444000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	12273000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1645000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	993000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	13225000	USD
CY2015Q3	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	25533000	USD
CY2015Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	24209000	USD
CY2016Q3	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	20736000	USD
CY2015Q3	us-gaap	Other Long Term Debt OtherLongTermDebt	18332000	USD
CY2015Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	18965000	USD
CY2016Q3	us-gaap	Other Long Term Debt OtherLongTermDebt	18360000	USD
CY2015Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	18790000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	54539000	USD
CY2016Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	20564000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	55196000	USD
CY2015Q3	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
CY2016Q3	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	3094901000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	3208468000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-1274000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	28049000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	1286736000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	1303218000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	415000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	549000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	20486000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	28730000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	1584282000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	3169020000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	15428000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	578315000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	472803000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	29375000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	28276000	USD
CY2015Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Money Market PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket	0.22
CY2015Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Money Market PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket	0.22
CY2016Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Money Market PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket	0.21
CY2015Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Savings PercentageOfInterestBearingDomesticDepositsToDepositsSavings	0.09
CY2015Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Savings PercentageOfInterestBearingDomesticDepositsToDepositsSavings	0.09
CY2016Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Savings PercentageOfInterestBearingDomesticDepositsToDepositsSavings	0.09
CY2015Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Time Deposits PercentageOfInterestBearingDomesticDepositsToDepositsTimeDeposits	0.23
CY2015Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Time Deposits PercentageOfInterestBearingDomesticDepositsToDepositsTimeDeposits	0.21
CY2016Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Time Deposits PercentageOfInterestBearingDomesticDepositsToDepositsTimeDeposits	0.20
CY2015Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	4079000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	7240000	USD
CY2016Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	3628000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	10884000	USD
CY2015Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue
CY2015Q4	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue
CY2016Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue
CY2015Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2015Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2016Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2016Q2	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	152800000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	152823000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	120842000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	2701000	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	659000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	397832000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1128428000	USD
	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	438072000	USD
	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	-204085000	USD
	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	38775000	USD
	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-24545000	USD
CY2015Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	82827000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1216860000	USD
CY2016Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1114666000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	2186662000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	34936000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	29223000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	3182623000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	3111318000	USD
CY2015Q3	us-gaap	Professional Fees ProfessionalFees	4100000	USD
	us-gaap	Professional Fees ProfessionalFees	13838000	USD
CY2016Q3	us-gaap	Professional Fees ProfessionalFees	5508000	USD
	us-gaap	Professional Fees ProfessionalFees	14986000	USD
CY2015Q3	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	367000	USD
	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-1885000	USD
CY2016Q3	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-1436000	USD
	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-3344000	USD
CY2015Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	587348000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	592256000	USD
CY2016Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	597263000	USD
CY2015Q3	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	29111000	USD
CY2015Q4	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	63170000	USD
CY2016Q3	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	116355000	USD
CY2015Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	8665000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	24551000	USD
CY2016Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	9741000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	27433000	USD
CY2015Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	8322000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	23883000	USD
CY2016Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	9571000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	26734000	USD
CY2015Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	28293000	USD
CY2015Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	27631000	USD
CY2016Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	25511000	USD
CY2015Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-407000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-633000	USD
CY2016Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1359000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	2094000	USD
CY2015Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	901652000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	928211000	USD
CY2016Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1051748000	USD
CY2015Q3	us-gaap	Revenues Revenues	230493000	USD
	us-gaap	Revenues Revenues	680830000	USD
CY2016Q3	us-gaap	Revenues Revenues	271240000	USD
	us-gaap	Revenues Revenues	771570000	USD
CY2015Q3	us-gaap	Secured Debt SecuredDebt	112633000	USD
CY2015Q4	us-gaap	Secured Debt SecuredDebt	115504000	USD
CY2016Q3	us-gaap	Secured Debt SecuredDebt	133642000	USD
CY2016Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	33173000	USD
	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	641000	USD
	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	-4810000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	7817000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	6778000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.009
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.009
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.013
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CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	715101	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	813666	shares
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	37.52
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	39.27
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2300000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2700000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	277150	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	86039	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	502517	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	562166	shares
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	19738000	USD
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	26363000	USD
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1618426	shares
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1601321	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1551734	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1843495	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	43.00
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	41.34
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	41.32
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	41.27
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	43.14
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	37.43
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	53.64
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	48.93
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	44.36
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	41.04
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y6M
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y6M
CY2015Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	11376000	USD
CY2016Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	13265000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y2M12D
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y6M0D
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y8M12D
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y9M18D
CY2015Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	57590000	USD
CY2015Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	63887000	USD
CY2016Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	33173000	USD
CY2016Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	3000000	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	258836	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	184366	shares
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	38723000	USD
	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	0	USD
	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	0	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2040000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1933000	USD
	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	1230000	USD
	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	1190000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	120842000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	152823000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	196000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	37000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	2069822000	USD
CY2015Q3	us-gaap	Stockholders Equity StockholdersEquity	2335736000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	2352274000	USD
CY2016Q3	us-gaap	Stockholders Equity StockholdersEquity	2674474000	USD
CY2015Q3	us-gaap	Subordinated Debt SubordinatedDebt	138834000	USD
CY2015Q4	us-gaap	Subordinated Debt SubordinatedDebt	138861000	USD
CY2016Q3	us-gaap	Subordinated Debt SubordinatedDebt	138943000	USD
CY2015Q3	us-gaap	Time Deposits TimeDeposits	4135772000	USD
CY2015Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	85424	shares
CY2015Q4	us-gaap	Time Deposits TimeDeposits	4004677000	USD
CY2016Q3	us-gaap	Time Deposits TimeDeposits	4201477000	USD
CY2015Q3	us-gaap	Trading Gains Losses TradingGainsLosses	-135000	USD
	us-gaap	Trading Gains Losses TradingGainsLosses	-452000	USD
CY2016Q3	us-gaap	Trading Gains Losses TradingGainsLosses	-432000	USD
	us-gaap	Trading Gains Losses TradingGainsLosses	-916000	USD
CY2015Q3	us-gaap	Trading Securities TradingSecurities	3312000	USD
CY2015Q4	us-gaap	Trading Securities TradingSecurities	448000	USD
CY2016Q3	us-gaap	Trading Securities TradingSecurities	1092000	USD
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4141000	shares
CY2015Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	85615	shares
CY2016Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	96521	shares
CY2015Q3	us-gaap	Treasury Stock Value TreasuryStockValue	3964000	USD
CY2015Q4	us-gaap	Treasury Stock Value TreasuryStockValue	3973000	USD
CY2016Q3	us-gaap	Treasury Stock Value TreasuryStockValue	4522000	USD
CY2015Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	8700000	USD
CY2015Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	7800000	USD
CY2015Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-18800000	USD
CY2015Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-9200000	USD
CY2016Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	873000	USD
CY2015Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4049000	shares
CY2016Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4047000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3931000	shares
CY2015Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52207000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51799000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55726000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53694000	shares
CY2015Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48158000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47658000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51679000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49763000	shares
	wtfc	Accretion Amortization Of Discount Premium On Loans AccretionAmortizationOfDiscountPremiumOnLoans	25061000	USD
	wtfc	Accretion Amortization Of Discount Premium On Loans AccretionAmortizationOfDiscountPremiumOnLoans	23416000	USD
CY2015Q3	wtfc	Allowance For Unfunded Lending Related Commitments AllowanceForUnfundedLendingRelatedCommitments	926000	USD
CY2016Q3	wtfc	Allowance For Unfunded Lending Related Commitments AllowanceForUnfundedLendingRelatedCommitments	1648000	USD
CY2016Q3	wtfc	Assets Nonrecurring Fair Value Losses Recognized AssetsNonrecurringFairValueLossesRecognized	5872000	USD
	wtfc	Assets Nonrecurring Fair Value Losses Recognized AssetsNonrecurringFairValueLossesRecognized	15482000	USD
CY2016Q3	wtfc	Assets Percentage AssetsPercentage	0.15
CY2015Q4	wtfc	Available For Sale Securities Transferred To Held To Maturity Securities AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	862700000	USD
	wtfc	Available For Sale Securities Transferred To Held To Maturity Securities AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	0	USD
CY2015Q4	wtfc	Available For Sale Securities Transferred To Held To Maturity Unrealized Gain Loss AvailableForSaleSecuritiesTransferredToHeldToMaturityUnrealizedGainLoss	14400000	USD
	wtfc	Bank Owned Life Insurance Net Of Claims BankOwnedLifeInsuranceNetOfClaims	1683000	USD
	wtfc	Bank Owned Life Insurance Net Of Claims BankOwnedLifeInsuranceNetOfClaims	2613000	USD
CY2015Q3	wtfc	Benefit Attributable To Federal Deposit Insurance Corporation Loss Share Agreements BenefitAttributableToFederalDepositInsuranceCorporationLossShareAgreements	-1373000	USD
	wtfc	Benefit Attributable To Federal Deposit Insurance Corporation Loss Share Agreements BenefitAttributableToFederalDepositInsuranceCorporationLossShareAgreements	-2671000	USD
CY2016Q3	wtfc	Benefit Attributable To Federal Deposit Insurance Corporation Loss Share Agreements BenefitAttributableToFederalDepositInsuranceCorporationLossShareAgreements	-677000	USD
	wtfc	Benefit Attributable To Federal Deposit Insurance Corporation Loss Share Agreements BenefitAttributableToFederalDepositInsuranceCorporationLossShareAgreements	-2796000	USD
CY2015Q3	wtfc	Brokerage Trust And Asset Management Revenue BrokerageTrustAndAssetManagementRevenue	18243000	USD
	wtfc	Brokerage Trust And Asset Management Revenue BrokerageTrustAndAssetManagementRevenue	54819000	USD
CY2016Q3	wtfc	Brokerage Trust And Asset Management Revenue BrokerageTrustAndAssetManagementRevenue	19334000	USD
	wtfc	Brokerage Trust And Asset Management Revenue BrokerageTrustAndAssetManagementRevenue	56506000	USD
CY2015Q3	wtfc	Certain Loans Acquired Accretable Yield Amortized To Indemnification Asset CertainLoansAcquiredAccretableYieldAmortizedToIndemnificationAsset	3280000	USD
	wtfc	Certain Loans Acquired Accretable Yield Amortized To Indemnification Asset CertainLoansAcquiredAccretableYieldAmortizedToIndemnificationAsset	10945000	USD
CY2016Q3	wtfc	Certain Loans Acquired Accretable Yield Amortized To Indemnification Asset CertainLoansAcquiredAccretableYieldAmortizedToIndemnificationAsset	1744000	USD
	wtfc	Certain Loans Acquired Accretable Yield Amortized To Indemnification Asset CertainLoansAcquiredAccretableYieldAmortizedToIndemnificationAsset	5539000	USD
CY2016Q3	wtfc	Common Stock Dividends Per Share Declared Annualized CommonStockDividendsPerShareDeclaredAnnualized	0.48
CY2015Q3	wtfc	Covered Loans90 Days Past Due And Still Accruing CoveredLoans90DaysPastDueAndStillAccruing	7626000	USD
CY2015Q4	wtfc	Covered Loans90 Days Past Due And Still Accruing CoveredLoans90DaysPastDueAndStillAccruing	7335000	USD
CY2016Q3	wtfc	Covered Loans90 Days Past Due And Still Accruing CoveredLoans90DaysPastDueAndStillAccruing	4806000	USD
CY2015Q3	wtfc	Covered Loans Charged Off CoveredLoansChargedOff	287000	USD
	wtfc	Covered Loans Charged Off CoveredLoansChargedOff	664000	USD
	wtfc	Change In Contribution Revenues ChangeInContributionRevenues	90740000	USD
CY2016Q3	wtfc	Common Securities Proportion To Junior Subordinated Debentures CommonSecuritiesProportionToJuniorSubordinatedDebentures	0.03
CY2016Q3	wtfc	Change In Contribution Assets ChangeInContributionAssets	3286543000	USD
CY2016Q3	wtfc	Change In Contribution Interest Income Expense Net ChangeInContributionInterestIncomeExpenseNet	19096000	USD
	wtfc	Change In Contribution Interest Income Expense Net ChangeInContributionInterestIncomeExpenseNet	57092000	USD
CY2016Q3	wtfc	Change In Contribution Non Interest Income ChangeInContributionNonInterestIncome	21651000	USD
	wtfc	Change In Contribution Non Interest Income ChangeInContributionNonInterestIncome	33648000	USD
CY2016Q3	wtfc	Change In Contribution Operating Income Loss ChangeInContributionOperatingIncomeLoss	14760000	USD
	wtfc	Change In Contribution Operating Income Loss ChangeInContributionOperatingIncomeLoss	31029000	USD
CY2016Q3	wtfc	Change In Contribution Revenues ChangeInContributionRevenues	40747000	USD
CY2016Q1	wtfc	Common Stock Dividends Per Share Declared Annualized CommonStockDividendsPerShareDeclaredAnnualized	0.48
CY2016Q2	wtfc	Common Stock Dividends Per Share Declared Annualized CommonStockDividendsPerShareDeclaredAnnualized	0.48
CY2016Q3	wtfc	Certain Loans Acquired In Transfer Not Accountedfoas Debt Securities Accretable Yield To Be Amortized To Indemnification Asset CertainLoansAcquiredInTransferNotAccountedfoasDebtSecuritiesAccretableYieldToBeAmortizedToIndemnificationAsset	1500000	USD
CY2016Q3	wtfc	Covered Loans Charged Off CoveredLoansChargedOff	918000	USD
	wtfc	Covered Loans Charged Off CoveredLoansChargedOff	1291000	USD
CY2015Q3	wtfc	Covered Loans Current CoveredLoansCurrent	152249000	USD
CY2015Q4	wtfc	Covered Loans Current CoveredLoansCurrent	128983000	USD
CY2016Q3	wtfc	Covered Loans Current CoveredLoansCurrent	84802000	USD
CY2015Q3	wtfc	Covered Loans Net Charge Offs CoveredLoansNetChargeOffs	-2419000	USD
	wtfc	Covered Loans Net Charge Offs CoveredLoansNetChargeOffs	-4126000	USD
CY2016Q3	wtfc	Covered Loans Net Charge Offs CoveredLoansNetChargeOffs	143000	USD
	wtfc	Covered Loans Net Charge Offs CoveredLoansNetChargeOffs	-1891000	USD
CY2015Q3	wtfc	Covered Loans Nonaccrual CoveredLoansNonaccrual	6540000	USD
CY2015Q4	wtfc	Covered Loans Nonaccrual CoveredLoansNonaccrual	5878000	USD
CY2016Q3	wtfc	Covered Loans Nonaccrual CoveredLoansNonaccrual	2331000	USD
CY2015Q3	wtfc	Debt Currentand Noncurrent DebtCurrentandNoncurrent	842594000	USD
CY2015Q4	wtfc	Debt Currentand Noncurrent DebtCurrentandNoncurrent	1258077000	USD
CY2016Q3	wtfc	Debt Currentand Noncurrent DebtCurrentandNoncurrent	799941000	USD
CY2015Q3	wtfc	Deposits No Wand Interest Bearing Demand Deposits DepositsNOWandInterestBearingDemandDeposits	2231258000	USD
CY2015Q4	wtfc	Deposits No Wand Interest Bearing Demand Deposits DepositsNOWandInterestBearingDemandDeposits	2390217000	USD
CY2016Q3	wtfc	Deposits No Wand Interest Bearing Demand Deposits DepositsNOWandInterestBearingDemandDeposits	2552611000	USD
CY2015Q3	wtfc	Deposits Percentage DepositsPercentage	1.00
CY2015Q4	wtfc	Deposits Percentage DepositsPercentage	1.00
CY2016Q3	wtfc	Deposits Percentage DepositsPercentage	1.00
CY2016Q3	wtfc	Excess Pledged Collateral ExcessPledgedCollateral	10921000	USD
	wtfc	Fdic Indemnification Asset Cash Payments Received Paid FDICIndemnificationAssetCashPaymentsReceivedPaid	1697000	USD
	wtfc	Fdic Indemnification Asset Cash Payments Received Paid FDICIndemnificationAssetCashPaymentsReceivedPaid	2124000	USD
	wtfc	Fdic Loss Sharing Agreement Percentage FDICLossSharingAgreementPercentage	0.8
CY2015Q3	wtfc	Fees From Covered Call Options FeesFromCoveredCallOptions	2810000	USD
	wtfc	Real Estate Acquired Through Foreclosure Fair Value Losses Recognized RealEstateAcquiredThroughForeclosureFairValueLossesRecognized	4617000	USD
	wtfc	Fees From Covered Call Options FeesFromCoveredCallOptions	11735000	USD
CY2016Q3	wtfc	Fees From Covered Call Options FeesFromCoveredCallOptions	3633000	USD
	wtfc	Fees From Covered Call Options FeesFromCoveredCallOptions	9994000	USD
CY2015Q3	wtfc	Financing Receivable Allowance For Credit Losses Other Adjustments FinancingReceivableAllowanceForCreditLossesOtherAdjustments	-153000	USD
	wtfc	Financing Receivable Allowance For Credit Losses Other Adjustments FinancingReceivableAllowanceForCreditLossesOtherAdjustments	-494000	USD
CY2016Q3	wtfc	Financing Receivable Allowance For Credit Losses Other Adjustments FinancingReceivableAllowanceForCreditLossesOtherAdjustments	-112000	USD
	wtfc	Financing Receivable Allowance For Credit Losses Other Adjustments FinancingReceivableAllowanceForCreditLossesOtherAdjustments	-324000	USD
CY2015Q3	wtfc	Financing Receivables Modifications Weighted Average Extension Term FinancingReceivablesModificationsWeightedAverageExtensionTerm	P214M
	wtfc	Financing Receivables Modifications Weighted Average Extension Term FinancingReceivablesModificationsWeightedAverageExtensionTerm	P49M
CY2016Q3	wtfc	Financing Receivables Modifications Weighted Average Extension Term FinancingReceivablesModificationsWeightedAverageExtensionTerm	P22M
	wtfc	Financing Receivables Modifications Weighted Average Extension Term FinancingReceivablesModificationsWeightedAverageExtensionTerm	P6M
	wtfc	Financing Receivables Modifications Weighted Average Interest Only Term FinancingReceivablesModificationsWeightedAverageInterestOnlyTerm	P28M
	wtfc	Financing Receivables Modifications Weighted Average Interest Only Term FinancingReceivablesModificationsWeightedAverageInterestOnlyTerm	P6M
CY2016Q3	wtfc	Impaired Loans Fair Value Losses Recognized ImpairedLoansFairValueLossesRecognized	4635000	USD
	wtfc	Impaired Loans Fair Value Losses Recognized ImpairedLoansFairValueLossesRecognized	10865000	USD
CY2015Q3	wtfc	Increase In Fdic Indemnification Asset IncreaseInFdicIndemnificationAsset	-1373000	USD
	wtfc	Increase In Fdic Indemnification Asset IncreaseInFdicIndemnificationAsset	-2671000	USD
CY2016Q3	wtfc	Increase In Fdic Indemnification Asset IncreaseInFdicIndemnificationAsset	-677000	USD
	wtfc	Increase In Fdic Indemnification Asset IncreaseInFdicIndemnificationAsset	-2796000	USD
CY2016Q3	wtfc	Interest Income Expense Net Percentage InterestIncomeExpenseNetPercentage	0.12
	wtfc	Interest Income Expense Net Percentage InterestIncomeExpenseNetPercentage	0.12
CY2015Q3	wtfc	Interest Income Federal Home Loan Banks And Federal Reserve Bank Stock InterestIncomeFederalHomeLoanBanksAndFederalReserveBankStock	821000	USD
CY2016Q3	wtfc	Interest Income Federal Home Loan Banks And Federal Reserve Bank Stock InterestIncomeFederalHomeLoanBanksAndFederalReserveBankStock	1094000	USD
	wtfc	Interest Income Federal Home Loan Banks And Federal Reserve Bank Stock InterestIncomeFederalHomeLoanBanksAndFederalReserveBankStock	3143000	USD
CY2015Q3	wtfc	Interest Income On Brokerage Customer Receivables InterestIncomeOnBrokerageCustomerReceivables	205000	USD
	wtfc	Interest Income On Brokerage Customer Receivables InterestIncomeOnBrokerageCustomerReceivables	591000	USD
CY2016Q3	wtfc	Interest Income On Brokerage Customer Receivables InterestIncomeOnBrokerageCustomerReceivables	195000	USD
	wtfc	Interest Income On Brokerage Customer Receivables InterestIncomeOnBrokerageCustomerReceivables	630000	USD
	wtfc	Issuance Of Common Shares Resulting From Exercise Of Stock Options Employee Stock Purchase Plan And Conversion Of Common Stock Warrants IssuanceOfCommonSharesResultingFromExerciseOfStockOptionsEmployeeStockPurchasePlanAndConversionOfCommonStockWarrants	14413000	USD
	wtfc	Issuance Of Common Shares Resulting From Exercise Of Stock Options Employee Stock Purchase Plan And Conversion Of Common Stock Warrants IssuanceOfCommonSharesResultingFromExerciseOfStockOptionsEmployeeStockPurchasePlanAndConversionOfCommonStockWarrants	9796000	USD
CY2015Q3	wtfc	Loan Forgiveness LoanForgiveness	0	USD
	wtfc	Loan Forgiveness LoanForgiveness	0	USD
CY2016Q3	wtfc	Loan Forgiveness LoanForgiveness	0	USD
	wtfc	Loan Forgiveness LoanForgiveness	300000	USD
CY2015Q3	wtfc	Loans And Leases Receivable Net Of Deferred Income Including Covered Loans LoansAndLeasesReceivableNetOfDeferredIncomeIncludingCoveredLoans	16484820000	USD
CY2015Q4	wtfc	Loans And Leases Receivable Net Of Deferred Income Including Covered Loans LoansAndLeasesReceivableNetOfDeferredIncomeIncludingCoveredLoans	17266790000	USD
CY2016Q3	wtfc	Loans And Leases Receivable Net Of Deferred Income Including Covered Loans LoansAndLeasesReceivableNetOfDeferredIncomeIncludingCoveredLoans	19197201000	USD
CY2015Q3	wtfc	Loans Net Of Unearned Income Excluding Covered Loans90 Days Past Due And Still Accruing LoansNetOfUnearnedIncomeExcludingCoveredLoans90DaysPastDueAndStillAccruing	22559000	USD
CY2015Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans90 Days Past Due And Still Accruing LoansNetOfUnearnedIncomeExcludingCoveredLoans90DaysPastDueAndStillAccruing	34537000	USD
CY2016Q3	wtfc	Loans Net Of Unearned Income Excluding Covered Loans90 Days Past Due And Still Accruing LoansNetOfUnearnedIncomeExcludingCoveredLoans90DaysPastDueAndStillAccruing	32590000	USD
CY2015Q3	wtfc	Loans Net Of Unearned Income Excluding Covered Loans Current LoansNetOfUnearnedIncomeExcludingCoveredLoansCurrent	16119587000	USD
CY2015Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans Current LoansNetOfUnearnedIncomeExcludingCoveredLoansCurrent	16864283000	USD
CY2016Q3	wtfc	Loans Net Of Unearned Income Excluding Covered Loans Current LoansNetOfUnearnedIncomeExcludingCoveredLoansCurrent	18873792000	USD
CY2015Q3	wtfc	Loans Net Of Unearned Income Excluding Covered Loans Nonaccrual Status LoansNetOfUnearnedIncomeExcludingCoveredLoansNonaccrualStatus	77605000	USD
CY2015Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans Nonaccrual Status LoansNetOfUnearnedIncomeExcludingCoveredLoansNonaccrualStatus	73072000	USD
CY2016Q3	wtfc	Loans Net Of Unearned Income Excluding Covered Loans Nonaccrual Status LoansNetOfUnearnedIncomeExcludingCoveredLoansNonaccrualStatus	75314000	USD
CY2015Q3	wtfc	Marketable Securities Gross Realized Gains Excluding Other Than Temporary Impairments MarketableSecuritiesGrossRealizedGainsExcludingOtherThanTemporaryImpairments	87000	USD
	wtfc	Marketable Securities Gross Realized Gains Excluding Other Than Temporary Impairments MarketableSecuritiesGrossRealizedGainsExcludingOtherThanTemporaryImpairments	654000	USD
CY2016Q3	wtfc	Marketable Securities Gross Realized Gains Excluding Other Than Temporary Impairments MarketableSecuritiesGrossRealizedGainsExcludingOtherThanTemporaryImpairments	3429000	USD
	wtfc	Marketable Securities Gross Realized Gains Excluding Other Than Temporary Impairments MarketableSecuritiesGrossRealizedGainsExcludingOtherThanTemporaryImpairments	7466000	USD
CY2015Q3	wtfc	Marketable Securities Gross Realized Losses Excluding Other Than Temporary Impairments MarketableSecuritiesGrossRealizedLossesExcludingOtherThanTemporaryImpairments	185000	USD
	wtfc	Marketable Securities Gross Realized Losses Excluding Other Than Temporary Impairments MarketableSecuritiesGrossRealizedLossesExcludingOtherThanTemporaryImpairments	252000	USD
CY2016Q3	wtfc	Marketable Securities Gross Realized Losses Excluding Other Than Temporary Impairments MarketableSecuritiesGrossRealizedLossesExcludingOtherThanTemporaryImpairments	124000	USD
	wtfc	Marketable Securities Gross Realized Losses Excluding Other Than Temporary Impairments MarketableSecuritiesGrossRealizedLossesExcludingOtherThanTemporaryImpairments	1396000	USD
CY2015Q3	wtfc	No Wand Interest Bearing Demand Deposits Percentage NOWandInterestBearingDemandDepositsPercentage	0.12
CY2015Q4	wtfc	No Wand Interest Bearing Demand Deposits Percentage NOWandInterestBearingDemandDepositsPercentage	0.13
CY2016Q3	wtfc	No Wand Interest Bearing Demand Deposits Percentage NOWandInterestBearingDemandDepositsPercentage	0.12
CY2015Q3	wtfc	Net Provision For Covered Loan Losses NetProvisionForCoveredLoanLosses	-343000	USD
	wtfc	Net Provision For Covered Loan Losses NetProvisionForCoveredLoanLosses	-668000	USD
CY2016Q3	wtfc	Net Provision For Covered Loan Losses NetProvisionForCoveredLoanLosses	-170000	USD
	wtfc	Net Provision For Covered Loan Losses NetProvisionForCoveredLoanLosses	-699000	USD
CY2015Q3	wtfc	Non Interest Bearing Percentage NonInterestBearingPercentage	0.26
CY2015Q4	wtfc	Non Interest Bearing Percentage NonInterestBearingPercentage	0.26
CY2016Q3	wtfc	Non Interest Bearing Percentage NonInterestBearingPercentage	0.27
CY2016Q3	wtfc	Non Interest Income Percentage NonInterestIncomePercentage	0.33
	wtfc	Non Interest Income Percentage NonInterestIncomePercentage	0.16
CY2016Q3	wtfc	Number Of Subsidiaries NumberOfSubsidiaries	15	subsidiary
CY2016Q3	wtfc	Number Of Unconsolidated Subsidiary Trusts NumberOfUnconsolidatedSubsidiaryTrusts	11	trust
CY2016Q3	wtfc	Operating Income Loss Percentage OperatingIncomeLossPercentage	0.38
	wtfc	Operating Income Loss Percentage OperatingIncomeLossPercentage	0.26
CY2015Q3	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Before Tax OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentBeforeTax	0	USD
	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Before Tax OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentBeforeTax	0	USD
CY2016Q3	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Before Tax OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentBeforeTax	-3781000	USD
	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Before Tax OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentBeforeTax	-11038000	USD
CY2015Q3	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Net Of Tax OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentNetOfTax	0	USD
	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Net Of Tax OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentNetOfTax	0	USD
CY2016Q3	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Net Of Tax OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentNetOfTax	-2295000	USD
	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Net Of Tax OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentNetOfTax	-6707000	USD
CY2015Q3	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Tax Effect OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentTaxEffect	0	USD
	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Tax Effect OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentTaxEffect	0	USD
CY2016Q3	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Tax Effect OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentTaxEffect	-1486000	USD
	wtfc	Other Comprehensive Income Loss Securities Transferred From Available For Sale To Held To Maturity Adjustment Tax Effect OtherComprehensiveIncomeLossSecuritiesTransferredFromAvailableForSaleToHeldToMaturityAdjustmentTaxEffect	-4331000	USD
CY2016Q3	wtfc	Ownership Interest Percentage In Unconsolidated Subsidary Trusts OwnershipInterestPercentageInUnconsolidatedSubsidaryTrusts	1
CY2015Q3	wtfc	Percentage Of Covered Loans PercentageOfCoveredLoans	0.01
CY2015Q4	wtfc	Percentage Of Covered Loans PercentageOfCoveredLoans	0.01
CY2016Q3	wtfc	Percentage Of Covered Loans PercentageOfCoveredLoans	0.00
CY2015Q3	wtfc	Percentage Of Loans And Leases Receivable Gross Carrying Amount PercentageOfLoansAndLeasesReceivableGrossCarryingAmount	0.99
CY2015Q4	wtfc	Percentage Of Loans And Leases Receivable Gross Carrying Amount PercentageOfLoansAndLeasesReceivableGrossCarryingAmount	0.99
CY2016Q3	wtfc	Percentage Of Loans And Leases Receivable Gross Carrying Amount PercentageOfLoansAndLeasesReceivableGrossCarryingAmount	1.00
CY2015Q3	wtfc	Percentage Of Loans Net Of Unearned Income Including Covered Loans PercentageOfLoansNetOfUnearnedIncomeIncludingCoveredLoans	1.00
CY2015Q4	wtfc	Percentage Of Loans Net Of Unearned Income Including Covered Loans PercentageOfLoansNetOfUnearnedIncomeIncludingCoveredLoans	1.00
CY2016Q3	wtfc	Percentage Of Loans Net Of Unearned Income Including Covered Loans PercentageOfLoansNetOfUnearnedIncomeIncludingCoveredLoans	1.00
CY2015Q3	wtfc	Proceeds From Calls Of Held To Maturity Securities ProceedsFromCallsOfHeldToMaturitySecurities	0	USD
	wtfc	Proceeds From Calls Of Held To Maturity Securities ProceedsFromCallsOfHeldToMaturitySecurities	0	USD
CY2016Q3	wtfc	Proceeds From Calls Of Held To Maturity Securities ProceedsFromCallsOfHeldToMaturitySecurities	141885000	USD
	wtfc	Proceeds From Calls Of Held To Maturity Securities ProceedsFromCallsOfHeldToMaturitySecurities	423866000	USD
	wtfc	Proceeds From Maturities Of Held To Maturity Securities ProceedsFromMaturitiesOfHeldToMaturitySecurities	0	USD
	wtfc	Proceeds From Maturities Of Held To Maturity Securities ProceedsFromMaturitiesOfHeldToMaturitySecurities	502000	USD
	wtfc	Proceeds From Payments To Federal Home Loan Bank Borrowings ProceedsFromPaymentsToFederalHomeLoanBankBorrowings	-293360000	USD
	wtfc	Proceeds From Payments To Federal Home Loan Bank Borrowings ProceedsFromPaymentsToFederalHomeLoanBankBorrowings	-440257000	USD
CY2015Q3	wtfc	Provision For Covered Loan Losses Before Benefit Attributable To Fdic Loss Share Agreements ProvisionForCoveredLoanLossesBeforeBenefitAttributableToFdicLossShareAgreements	-1716000	USD
	wtfc	Provision For Covered Loan Losses Before Benefit Attributable To Fdic Loss Share Agreements ProvisionForCoveredLoanLossesBeforeBenefitAttributableToFdicLossShareAgreements	-3339000	USD
CY2016Q3	wtfc	Provision For Covered Loan Losses Before Benefit Attributable To Fdic Loss Share Agreements ProvisionForCoveredLoanLossesBeforeBenefitAttributableToFdicLossShareAgreements	-847000	USD
	wtfc	Provision For Covered Loan Losses Before Benefit Attributable To Fdic Loss Share Agreements ProvisionForCoveredLoanLossesBeforeBenefitAttributableToFdicLossShareAgreements	-3495000	USD
CY2016Q3	wtfc	Real Estate Acquired Through Foreclosure Fair Value Losses Recognized RealEstateAcquiredThroughForeclosureFairValueLossesRecognized	1237000	USD
CY2015Q3	wtfc	Reclassification From Accumulated Other Comprehensive Income Amortizaton Of Unrealized Gains Losses On Investment Securities Transferred To Held To Maturity From Available For Sale Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeAmortizatonOfUnrealizedGainsLossesOnInvestmentSecuritiesTransferredToHeldToMaturityFromAvailableForSaleNetOfTax	0	USD
	wtfc	Reclassification From Accumulated Other Comprehensive Income Amortizaton Of Unrealized Gains Losses On Investment Securities Transferred To Held To Maturity From Available For Sale Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeAmortizatonOfUnrealizedGainsLossesOnInvestmentSecuritiesTransferredToHeldToMaturityFromAvailableForSaleNetOfTax	0	USD
CY2016Q3	wtfc	Reclassification From Accumulated Other Comprehensive Income Amortizaton Of Unrealized Gains Losses On Investment Securities Transferred To Held To Maturity From Available For Sale Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeAmortizatonOfUnrealizedGainsLossesOnInvestmentSecuritiesTransferredToHeldToMaturityFromAvailableForSaleNetOfTax	-2295000	USD
	wtfc	Reclassification From Accumulated Other Comprehensive Income Amortizaton Of Unrealized Gains Losses On Investment Securities Transferred To Held To Maturity From Available For Sale Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeAmortizatonOfUnrealizedGainsLossesOnInvestmentSecuritiesTransferredToHeldToMaturityFromAvailableForSaleNetOfTax	-6707000	USD
CY2015Q3	wtfc	Reclassification To From Allowance For Unfunded Lending Related Commitments ReclassificationToFromAllowanceForUnfundedLendingRelatedCommitments	-42000	USD
	wtfc	Reclassification To From Allowance For Unfunded Lending Related Commitments ReclassificationToFromAllowanceForUnfundedLendingRelatedCommitments	-151000	USD
CY2016Q3	wtfc	Reclassification To From Allowance For Unfunded Lending Related Commitments ReclassificationToFromAllowanceForUnfundedLendingRelatedCommitments	-579000	USD
	wtfc	Reclassification To From Allowance For Unfunded Lending Related Commitments ReclassificationToFromAllowanceForUnfundedLendingRelatedCommitments	-700000	USD
CY2015Q3	wtfc	Recoveries Of Covered Loans Charged Off RecoveriesOfCoveredLoansChargedOff	2706000	USD
	wtfc	Recoveries Of Covered Loans Charged Off RecoveriesOfCoveredLoansChargedOff	4790000	USD
CY2016Q3	wtfc	Recoveries Of Covered Loans Charged Off RecoveriesOfCoveredLoansChargedOff	775000	USD
	wtfc	Recoveries Of Covered Loans Charged Off RecoveriesOfCoveredLoansChargedOff	3182000	USD
CY2016Q3	wtfc	Revenues Percentage RevenuesPercentage	0.18
	wtfc	Revenues Percentage RevenuesPercentage	0.13
CY2016Q3	wtfc	Securities By A Single Nongoverment Sponsored Issuer Exceeding Ten Percent Of Shareholders Equity SecuritiesByASingleNongovermentSponsoredIssuerExceedingTenPercentOfShareholdersEquity	0	securities
	wtfc	Share Based Compensation Arrangement By Share Based Payment Conversion Of Options Of Acquired Company ShareBasedCompensationArrangementByShareBasedPaymentConversionOfOptionsOfAcquiredCompany	16364	shares
	wtfc	Share Based Compensation Arrangement By Share Based Payment Conversion Of Options Of Acquired Company Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentConversionOfOptionsOfAcquiredCompanyWeightedAverageExercisePrice	21.18
	wtfc	Stock Issued During Period Value Stock Options And Warrants Exercised StockIssuedDuringPeriodValueStockOptionsAndWarrantsExercised	8575000	USD
	wtfc	Stock Issued During Period Value Stock Options And Warrants Exercised StockIssuedDuringPeriodValueStockOptionsAndWarrantsExercised	5773000	USD
CY2015Q3	wtfc	Trade Date Securities Payable TradeDateSecuritiesPayable	617000	USD
CY2015Q4	wtfc	Trade Date Securities Payable TradeDateSecuritiesPayable	538000	USD
CY2016Q3	wtfc	Trade Date Securities Payable TradeDateSecuritiesPayable	0	USD
CY2015Q3	wtfc	Trade Date Securities Receivable TradeDateSecuritiesReceivable	277981000	USD
CY2015Q4	wtfc	Trade Date Securities Receivable TradeDateSecuritiesReceivable	0	USD
CY2016Q3	wtfc	Trade Date Securities Receivable TradeDateSecuritiesReceivable	677000	USD
CY2016Q3	wtfc	Trust Preferred Securities Proportion To Junior Subordinated Debentures TrustPreferredSecuritiesProportionToJuniorSubordinatedDebentures	0.97
CY2015Q3	wtfc	Wealth Management Deposits WealthManagementDeposits	1469920000	USD
CY2015Q4	wtfc	Wealth Management Deposits WealthManagementDeposits	1643653000	USD
CY2016Q3	wtfc	Wealth Management Deposits WealthManagementDeposits	2283233000	USD
CY2015Q3	wtfc	Wealth Management Deposits Percentage WealthManagementDepositsPercentage	0.08
CY2015Q4	wtfc	Wealth Management Deposits Percentage WealthManagementDepositsPercentage	0.09
CY2016Q3	wtfc	Wealth Management Deposits Percentage WealthManagementDepositsPercentage	0.11
CY2015Q3	wtfc	Weighted Average Stated Interest Rate Basis Points WeightedAverageStatedInterestRateBasisPoints	0.0338	Rate
	wtfc	Weighted Average Stated Interest Rate Basis Points WeightedAverageStatedInterestRateBasisPoints	0.0358	Rate
CY2016Q3	wtfc	Weighted Average Stated Interest Rate Basis Points WeightedAverageStatedInterestRateBasisPoints	0.0150	Rate
	wtfc	Weighted Average Stated Interest Rate Basis Points WeightedAverageStatedInterestRateBasisPoints	0.0030	Rate

Files In Submission

Name	View Source	Status
0001015328-16-000427-index-headers.html	Edgar Link	pending
0001015328-16-000427-index.html	Edgar Link	pending
0001015328-16-000427.txt	Edgar Link	pending
0001015328-16-000427-xbrl.zip	Edgar Link	pending
exhibit3112016q3.htm	Edgar Link	pending
exhibit3122016q3.htm	Edgar Link	pending
exhibit3212016q3.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
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wtfc-20160930.xml	Edgar Link	completed
wtfc-20160930.xsd	Edgar Link	pending
wtfc-20160930x10q.htm	Edgar Link	pending
wtfc-20160930_cal.xml	Edgar Link	unprocessable
wtfc-20160930_def.xml	Edgar Link	unprocessable
wtfc-20160930_lab.xml	Edgar Link	unprocessable
wtfc-20160930_pre.xml	Edgar Link	unprocessable

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$WTFC
WINTRUST FINANCIAL CORP Stock $wtfc

2016 Q4 Form 10-Q Financial Statement

#000101532816000427 Filed on November 08, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WTFC WINTRUST FINANCIAL CORP Stock $wtfc

2016 Q4 Form 10-Q Financial Statement

#000101532816000427 Filed on November 08, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WTFC
WINTRUST FINANCIAL CORP Stock $wtfc