$WTFC
WINTRUST FINANCIAL CORP Stock $wtfc

$wtfc Overview Financials Valuation SEC Filings Company Website

2012 Form 10-K Financial Statement

#000101532813000073 Filed on February 28, 2013

Income Statement

Concept	2012	2011 Q4	2011 Q3
Revenue	$627.0M	$157.6M	$185.7M
YoY Change	3.5%
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	$23.10M	$5.400M	$4.300M
YoY Change	20.94%	12.5%	0.0%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit			$30.20M
YoY Change
Interest Expense	$107.5M	$32.97M	$36.54M
YoY Change	-25.56%
% of Operating Profit			120.99%
Other Income/Expense, Net
YoY Change
Pretax Income	$180.1M	$31.97M	$50.05M
YoY Change	40.69%	44.68%	54.46%
Income Tax	$68.94M	$12.75M	$19.84M
% Of Pretax Income	38.27%	39.89%	39.65%
Net Earnings	$111.2M	$19.22M	$30.20M
YoY Change	43.34%	35.36%	50.26%
Net Earnings / Revenue	17.73%	12.19%	16.27%
Basic Earnings Per Share	$2.81	$0.51	$0.82
Diluted Earnings Per Share	$2.31	$0.41	$0.65
COMMON SHARES
Basic Shares Outstanding	36.37M shares		35.55M shares
Diluted Shares Outstanding	48.03M shares		46.10M shares

Balance Sheet

Concept	2012	2011 Q4	2011 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$169.7M	$160.7M
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	$501.0M	$431.5M	$412.5M
YoY Change	15.97%	18.55%	16.85%
Goodwill		$305.5M	$302.4M
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$17.52B	$15.89B	$15.91B
YoY Change	10.23%	13.69%	12.87%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$331.0M	$187.0M	$265.0M
YoY Change	77.01%	20.65%	49.72%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$274.0M	$1.044B	$1.048B
YoY Change	-73.75%	21.25%	24.47%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$331.0M	$187.0M	$265.0M
YoY Change	77.01%	20.65%	49.72%
LONG-TERM LIABILITIES
Long-Term Debt	$267.0M	$337.0M	$292.0M
YoY Change	-20.77%	12.33%	-4.26%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$267.0M	$337.0M	$292.0M
YoY Change	-20.77%	12.33%	-4.26%
TOTAL LIABILITIES
Total Short-Term Liabilities	$331.0M	$187.0M	$265.0M
Total Long-Term Liabilities	$267.0M	$337.0M	$292.0M
Total Liabilities	$15.72B	$14.35B	$14.39B
YoY Change	9.51%	14.4%	13.27%
SHAREHOLDERS EQUITY
Retained Earnings		$459.5M	$441.3M
YoY Change
Common Stock		$35.98M	$35.93M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)		$112.0K	$68.00K
YoY Change
Treasury Stock Shares		3.601K shares	2.071K shares
Shareholders Equity	$1.805B	$1.544B	$1.528B
YoY Change
Total Liabilities & Shareholders Equity	$17.52B	$15.89B	$15.91B
YoY Change	10.23%	13.69%	12.87%

Cashflow Statement

Concept	2012	2011 Q4	2011 Q3
OPERATING ACTIVITIES
Net Income	$111.2M	$19.22M	$30.20M
YoY Change	43.34%	35.36%	50.26%
Depreciation, Depletion And Amortization	$23.10M	$5.400M	$4.300M
YoY Change	20.94%	12.5%	0.0%
Cash From Operating Activities	$268.7M	-$47.80M	-$83.50M
YoY Change	9.98%	-33.8%	-1170.51%
INVESTING ACTIVITIES
Capital Expenditures	$74.33M	-$24.30M	-$6.100M
YoY Change	-6.07%	66.44%	-43.52%
Acquisitions	-$64.35M
YoY Change	-29.73%
Other Investing Activities	-$421.5M	$39.30M	-$79.70M
YoY Change	-44.38%	-67.6%	-42.66%
Cash From Investing Activities	-$495.9M	$14.80M	-$85.70M
YoY Change	-40.75%	-86.13%	-42.79%
FINANCING ACTIVITIES
Cash Dividend Paid	$13.16M
YoY Change	27.19%
Common Stock Issuance & Retirement, Net	$7.726M
YoY Change	6798.21%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$372.5M	41.90M	146.0M
YoY Change	-36.84%	-139.6%	-37.47%
NET CHANGE
Cash From Operating Activities	$268.7M	-47.80M	-83.50M
Cash From Investing Activities	-$495.9M	14.80M	-85.70M
Cash From Financing Activities	$372.5M	41.90M	146.0M
Net Change In Cash	$145.3M	8.900M	-23.20M
YoY Change	-5152.99%	-112.48%	-125.36%
FREE CASH FLOW
Cash From Operating Activities	$268.7M	-$47.80M	-$83.50M
Capital Expenditures	$74.33M	-$24.30M	-$6.100M
Free Cash Flow	$194.3M	-$23.50M	-$77.40M
YoY Change	17.68%	-59.2%	-516.13%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q4	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	331245000	USD
CY2011Q4	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	187459000	USD
CY2010	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-8910000	USD
CY2012	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	1034000	USD
CY2011	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-4434000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	146950000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	165022000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	6710000	USD
CY2009Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2899000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	4204000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2679000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-7082000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-8191000	USD
CY2009Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-9521000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-5292000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	6293000	USD
CY2009Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	0	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	0	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	0	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2878000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	7711000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5512000	USD
CY2009Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6622000	USD
CY2011Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1001316000	USD
CY2012Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1036295000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4640000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0398
CY2012Q4	us-gaap	Defined Benefit Plan Estimated Future Employer Contributions In Next Fiscal Year DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear	67000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	614000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	5600000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9072000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5692000	USD
CY2010	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4400000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9100000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5600000	USD
CY2010	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2739000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4324000	USD
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3425000	USD
CY2011	us-gaap	Asset Management Fees AssetManagementFees	44517000	USD
CY2010	us-gaap	Asset Management Fees AssetManagementFees	36941000	USD
CY2012	us-gaap	Asset Management Fees AssetManagementFees	52680000	USD
CY2012Q4	us-gaap	Assets Assets	17519613000	USD
CY2011Q4	us-gaap	Assets Assets	15893808000	USD
CY2010Q4	us-gaap	Assets Assets	13980156000	USD
CY2011Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1291797000	USD
CY2012Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1796076000	USD
CY2012Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1785113000	USD
CY2011Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1284733000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	571802000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	411995000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	457242000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	360253000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	114560000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	51742000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	95279000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	361037000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	362135000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	95508000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	532828000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	419588000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	419654000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	530632000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	261315000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	501177000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	503999000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	264321000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	188594000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	121400000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	189015000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	121662000	USD
CY2010	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	9832000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1792000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	4895000	USD
CY2012Q4	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	2561000	USD
CY2011Q2	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1152000	USD
CY2011Q1	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	106000	USD
CY2012Q2	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1109000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	309000	USD
CY2012Q3	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	409000	USD
CY2011Q3	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	225000	USD
CY2012Q1	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	816000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1874000	USD
CY2010	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	9951000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	4918000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	82000	USD
CY2010	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	119000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	23000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	15338000	USD
CY2012Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	9593000	USD
CY2012Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	1100000000	USD
CY2011Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	1100000000	USD
CY2012Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	7292000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	5202000	USD
CY2012Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2	9593000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2	15338000	USD
CY2012Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	2301000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	10136000	USD
CY2010	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	9832000	USD
CY2012	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	4895000	USD
CY2011	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	1792000	USD
CY2012Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	20556000	USD
CY2011Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	22402000	USD
CY2011Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	101000000	USD
CY2012Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	104600000	USD
CY2010	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2404000	USD
CY2011	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2569000	USD
CY2012	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2920000	USD
CY2010	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	44231000	USD
CY2012	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	7503000	USD
CY2011	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	37974000	USD
CY2012Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08
CY2012Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1
CY2012Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.131
CY2011Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.130
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	172580000	USD
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	158616000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	315028000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	169704000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-2876000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	13964000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	145324000	USD
CY2012Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	284731000	USD
CY2011Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	148012000	USD
CY2011Q4	us-gaap	Cash Reserve Deposit Required And Made CashReserveDepositRequiredAndMade	122200000	USD
CY2012Q4	us-gaap	Cash Reserve Deposit Required And Made CashReserveDepositRequiredAndMade	160200000	USD
CY2012Q4	us-gaap	Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights	1643295	shares
CY2008Q4	us-gaap	Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights	1643295	shares
CY2011Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	19000	shares
CY2012Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	1000	shares
CY2010	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2011	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2012Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2011Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.09
CY2011Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2011Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.09
CY2012Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2011Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
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CY2012Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.09
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2011Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2012Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	37107684	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	35981950	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	35978349000	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	36858355000	shares
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	35982000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	37108000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	80209000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	64595000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	121785000	USD
CY2011Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More After12 Months ContractualMaturitiesTimeDeposits100000OrMoreAfter12Months	1160709000	USD
CY2012Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More After12 Months ContractualMaturitiesTimeDeposits100000OrMoreAfter12Months	1073016000	USD
CY2012Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Six Months Through12 Months ContractualMaturitiesTimeDeposits100000OrMoreSixMonthsThrough12Months	982407000	USD
CY2011Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Six Months Through12 Months ContractualMaturitiesTimeDeposits100000OrMoreSixMonthsThrough12Months	869243000	USD
CY2011Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Or Less ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsOrLess	550816000	USD
CY2012Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Or Less ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsOrLess	591901000	USD
CY2011Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Through Six Months ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsThroughSixMonths	593851000	USD
CY2012Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Through Six Months ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsThroughSixMonths	719425000	USD
CY2012	us-gaap	Convertible Preferred Dividends Net Of Tax ConvertiblePreferredDividendsNetOfTax	8955000	USD
CY2010	us-gaap	Convertible Preferred Dividends Net Of Tax ConvertiblePreferredDividendsNetOfTax	0	USD
CY2011	us-gaap	Convertible Preferred Dividends Net Of Tax ConvertiblePreferredDividendsNetOfTax	0	USD
CY2010	us-gaap	Cumulative Effect Of Prospective Application Of New Accounting Principle CumulativeEffectOfProspectiveApplicationOfNewAccountingPrinciple	-1288000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	46169000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	74109000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	40312000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1918000	USD
CY2010	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	USD
CY2010	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	53450000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	51097000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	92251000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	10785000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	16224000	USD
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	7281000	USD
CY2009Q3	us-gaap	Debt Instrument Basis Spread On Variable Rate DebtInstrumentBasisSpreadOnVariableRate	0.0145
CY2010	us-gaap	Debt Instrument Maturity Date DebtInstrumentMaturityDate	2013-12-15
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CY2011Q4	us-gaap	Deferred Discounts Finance Charges And Interest Included In Receivables DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables	34600000	USD
CY2012Q4	us-gaap	Deferred Discounts Finance Charges And Interest Included In Receivables DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables	41100000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-555000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-19550000	USD
CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-14233000	USD
CY2011	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2010	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2012	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	441000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-639000	USD
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-15972000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-23315000	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-84000	USD
CY2010	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1739000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-4206000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	0	USD
CY2011Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	264000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	90692000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	86012000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	9712000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	-17378000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	130000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	0	USD
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2072000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1845000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	0	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	345000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	1042000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	0	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	10855000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	7453000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	0	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	916000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	11333000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	10757000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1042000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	79938000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	103390000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	338000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	0	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2347000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2680000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	29725000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	20591000	USD
CY2012Q4	us-gaap	Defined Benefit Pension Plan Current And Noncurrent Liabilities DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities	2000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	7900000	USD
CY2010	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3600000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4300000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4000000	USD
CY2012Q4	us-gaap	Deposits Deposits	14428544000	USD
CY2011Q4	us-gaap	Deposits Deposits	12307267000	USD
CY2011Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	2263253000	USD
CY2012Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	2761498000	USD
CY2012Q4	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	2022957000	USD
CY2011Q4	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	1698778000	USD
CY2011Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	888592000	USD
CY2012Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1275012000	USD
CY2012	us-gaap	Depreciation Depreciation	23100000	USD
CY2011	us-gaap	Depreciation Depreciation	19100000	USD
CY2010	us-gaap	Depreciation Depreciation	17100000	USD
CY2011	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	19469000	USD
CY2012	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	24676000	USD
CY2010	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	18165000	USD
CY2012	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	5100000	USD
CY2012Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	54600000	USD
CY2012	us-gaap	Dividends Cash DividendsCash	45000000	USD
CY2010	us-gaap	Dividends Cash DividendsCash	11500000	USD
CY2011	us-gaap	Dividends Cash DividendsCash	27800000	USD
CY2010	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	4991000	USD
CY2012	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	6537000	USD
CY2011	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	6344000	USD
CY2011	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	4000000	USD
CY2012	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	8955000	USD
CY2010	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	16188000	USD
CY2011	us-gaap	Early Repayment Of Subordinated Debt EarlyRepaymentOfSubordinatedDebt	15000000	USD
CY2012	us-gaap	Early Repayment Of Subordinated Debt EarlyRepaymentOfSubordinatedDebt	20000000	USD
CY2010	us-gaap	Early Repayment Of Subordinated Debt EarlyRepaymentOfSubordinatedDebt	10000000	USD
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.08
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.81
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.08
CY2011Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.63
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.61
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.51
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.44
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.75
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.82
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.82
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.31
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.67
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.02
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2011Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.25
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.50
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.61
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.65
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.36
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2012Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	10900000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-881000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-129000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-1392000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	2100000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	468000	USD
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	1200000	USD
CY2010	us-gaap	Equipment Expense EquipmentExpense	16529000	USD
CY2012	us-gaap	Equipment Expense EquipmentExpense	23222000	USD
CY2011	us-gaap	Equipment Expense EquipmentExpense	18267000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	841000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	306000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1354000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	306000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	841000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	1354000	USD
CY2011Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	344251000	USD
CY2012Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	208160000	USD
CY2010Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	118182000	USD
CY2012	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	-7209000	USD
CY2011	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	1081000	USD
CY2012	us-gaap	Fdic Indemnification Asset Acquisitions FDICIndemnificationAssetAcquisitions	80354000	USD
CY2011	us-gaap	Fdic Indemnification Asset Acquisitions FDICIndemnificationAssetAcquisitions	328837000	USD
CY2012	us-gaap	Fdic Indemnification Asset Additional Estimated Losses FDICIndemnificationAssetAdditionalEstimatedLosses	21859000	USD
CY2011	us-gaap	Fdic Indemnification Asset Additional Estimated Losses FDICIndemnificationAssetAdditionalEstimatedLosses	14394000	USD
CY2012	us-gaap	Fdic Indemnification Asset Cash Payments Received FDICIndemnificationAssetCashPaymentsReceived	169689000	USD
CY2011	us-gaap	Fdic Indemnification Asset Cash Payments Received FDICIndemnificationAssetCashPaymentsReceived	92595000	USD
CY2011	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	1257085000	USD
CY2012	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	1158925000	USD
CY2010	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	673277000	USD
CY2012	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	13422000	USD
CY2010	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	18028000	USD
CY2011	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	14143000	USD
CY2012Q4	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	30297000	USD
CY2011Q4	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	21692000	USD
CY2012	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0140
CY2012Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	570600000	USD
CY2012	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Repayment And Penalties FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresRepaymentAndPenalties	22400000	USD
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	414122000	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	474481000	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	100434000	USD
CY2012Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	79564000	USD
CY2012	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	16971000	USD
CY2010	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	13433000	USD
CY2011	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	14963000	USD
CY2010	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	61378000	USD
CY2011	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	56942000	USD
CY2012	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	109970000	USD
CY2012Q4	us-gaap	Financing Receivable Acquired With Deteriorated Credit Quality FinancingReceivableAcquiredWithDeterioratedCreditQuality	579233000	USD
CY2011Q4	us-gaap	Financing Receivable Acquired With Deteriorated Credit Quality FinancingReceivableAcquiredWithDeterioratedCreditQuality	659511000	USD
CY2012Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	121998000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	123612000	USD
CY2012Q4	us-gaap	Financing Receivable Allowance For Credit Losses Acquired With Deteriorated Credit Quality FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality	98000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses Acquired With Deteriorated Credit Quality FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality	0	USD
CY2012Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	94243000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	89501000	USD
CY2012Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	27657000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	34111000	USD
CY2012	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	9588000	USD
CY2011	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	9106000	USD
CY2012	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	84390000	USD
CY2011	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	112452000	USD
CY2012Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	11045165000	USD
CY2011Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	9635328000	USD
CY2012Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	204545000	USD
CY2011Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	226538000	USD
CY2010Q4	us-gaap	Financing Receivable Modifications Number Of Contracts1 FinancingReceivableModificationsNumberOfContracts1	113	Loan
CY2012Q4	us-gaap	Financing Receivable Modifications Number Of Contracts1 FinancingReceivableModificationsNumberOfContracts1	75	Loan
CY2011Q4	us-gaap	Financing Receivable Modifications Number Of Contracts1 FinancingReceivableModificationsNumberOfContracts1	123	Loan
CY2012Q4	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment1 FinancingReceivableModificationsPostModificationRecordedInvestment1	72512000	USD
CY2011Q4	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment1 FinancingReceivableModificationsPostModificationRecordedInvestment1	100528000	USD
CY2010Q4	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment1 FinancingReceivableModificationsPostModificationRecordedInvestment1	97900000	USD
CY2012Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	126473000	USD
CY2011Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	130518000	USD
CY2011Q4	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts FinancingReceivableModificationsSubsequentDefaultNumberOfContracts	25	Loan
CY2012Q4	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts FinancingReceivableModificationsSubsequentDefaultNumberOfContracts	18	Loan
CY2010Q4	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts FinancingReceivableModificationsSubsequentDefaultNumberOfContracts	35	Loan
CY2011Q4	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment FinancingReceivableModificationsSubsequentDefaultRecordedInvestment	18224000	USD
CY2012Q4	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment FinancingReceivableModificationsSubsequentDefaultRecordedInvestment	20553000	USD
CY2010Q4	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment FinancingReceivableModificationsSubsequentDefaultRecordedInvestment	36344000	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	105459000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	118930000	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment60 To89 Days Past Due FinancingReceivableRecordedInvestment60To89DaysPastDue	58964000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment60 To89 Days Past Due FinancingReceivableRecordedInvestment60To89DaysPastDue	70885000	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	133990000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	183109000	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	11980875000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	10685332000	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	109742000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	114489000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	4691000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1386000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1751000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2305000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3832000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	20947000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	22070000	USD
CY2011	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	41854000	USD
CY2010	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	73378000	USD
CY2012	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	91527000	USD
CY2010	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-17000	USD
CY2011	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-29000	USD
CY2012	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-333000	USD
CY2012	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-15316000	USD
CY2010	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-13546000	USD
CY2011	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-20110000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	345401000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	305468000	USD
CY2012	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	39388000	USD
CY2012	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2012	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	545000	USD
CY2011	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	247054000	USD
CY2012	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	222076000	USD
CY2010	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	214000000	USD
CY2011	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	12470000	USD
CY2012	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	10819000	USD
CY2010	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	13000000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	226538000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	204545000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	21488000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	13575000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	251230000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	231340000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	6000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	128033000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	100807000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	180132000	USD
CY2011Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	18965000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	48871000	USD
CY2011Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	31974000	USD
CY2011Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	50046000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	37759000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	52173000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	41329000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	27048000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	68936000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37478000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	50458000	USD
CY2012Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18782000	USD
CY2011Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10646000	USD
CY2011Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12753000	USD
CY2011Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19844000	USD
CY2011Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7215000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14549000	USD
CY2012Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19871000	USD
CY2012Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15734000	USD
CY2011	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	408000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	63046000	USD
CY2010	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	35282000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	44812000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	1156000	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	644000	USD
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	707000	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	802000	USD
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	669000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	931000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	352000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-200000	USD
CY2010	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-320000	USD
CY2011	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	0	USD
CY2010	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	0	USD
CY2012	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	1991000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	6955000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	7811000	USD
CY2010	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3602000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	1906000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	562000	USD
CY2010	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	704000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	0	USD
CY2010	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	0	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	2177000	USD
CY2010	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	34730000	USD
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	57474000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	82067000	USD
CY2010	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	3678000	USD
CY2011	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	3376000	USD
CY2012	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	-3061000	USD
CY2011	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	639000	USD
CY2010	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	15972000	USD
CY2012	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	23315000	USD
CY2010	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	197614000	USD
CY2011	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	385335000	USD
CY2012	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1251792000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-15605000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-46541000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-12582000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	137743000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-15349000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-9720000	USD
CY2010	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-28895000	USD
CY2011	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-2389000	USD
CY2012	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-1907000	USD
CY2010	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	0	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	0	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	4356000	shares
CY2011	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	14568000	USD
CY2012	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	15739000	USD
CY2010	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	15355000	USD
CY2011	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	605793000	USD
CY2010	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	593107000	USD
CY2012	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	627021000	USD
CY2011Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	157617000	USD
CY2012Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	156486000	USD
CY2012Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	156643000	USD
CY2012Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	158201000	USD
CY2011Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	147780000	USD
CY2011Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	145445000	USD
CY2012Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	155691000	USD
CY2011Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	154951000	USD
CY2012	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	38134000	USD
CY2011	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	46219000	USD
CY2010	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	36904000	USD
CY2012	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	28000	USD
CY2010	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	394000	USD
CY2011	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	44000	USD
CY2010	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	547896000	USD
CY2012	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	583872000	USD
CY2011	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	552938000	USD
CY2011Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	10521834000	USD
CY2012Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	12032280000	USD
CY2012Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	1035743000	USD
CY2011Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	749287000	USD
CY2011	us-gaap	Interest Expense InterestExpense	144416000	USD
CY2010	us-gaap	Interest Expense InterestExpense	177271000	USD
CY2012	us-gaap	Interest Expense InterestExpense	107505000	USD
CY2011Q4	us-gaap	Interest Expense InterestExpense	32970000	USD
CY2012Q1	us-gaap	Interest Expense InterestExpense	30591000	USD
CY2012Q4	us-gaap	Interest Expense InterestExpense	23867000	USD
CY2012Q2	us-gaap	Interest Expense InterestExpense	27421000	USD
CY2011Q2	us-gaap	Interest Expense InterestExpense	36739000	USD
CY2011Q1	us-gaap	Interest Expense InterestExpense	38166000	USD
CY2011Q3	us-gaap	Interest Expense InterestExpense	36541000	USD
CY2012Q3	us-gaap	Interest Expense InterestExpense	25626000	USD
CY2012	us-gaap	Interest Expense Deposits InterestExpenseDeposits	68305000	USD
CY2010	us-gaap	Interest Expense Deposits InterestExpenseDeposits	123779000	USD
CY2011	us-gaap	Interest Expense Deposits InterestExpenseDeposits	87938000	USD
CY2011	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	16320000	USD
CY2010	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	16520000	USD
CY2012	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	12103000	USD
CY2011	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	16272000	USD
CY2012	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	12616000	USD
CY2010	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	17668000	USD
CY2010	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	995000	USD
CY2012	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	428000	USD
CY2011	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	750000	USD
CY2012	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	1552000	USD
CY2011	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	3419000	USD
CY2010	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	5170000	USD
CY2010	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	291172000	USD
CY2012	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	443080000	USD
CY2011	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	358739000	USD
CY2012Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	108495000	USD
CY2011Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	84270000	USD
CY2012Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	107579000	USD
CY2011Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	79519000	USD
CY2012Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	113776000	USD
CY2011Q4	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	105830000	USD
CY2011Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	89120000	USD
CY2012Q4	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	113230000	USD
CY2010	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	415836000	USD
CY2011	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	461377000	USD
CY2012	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	519516000	USD
CY2011Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	109614000	USD
CY2011Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	124647000	USD
CY2012Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	132575000	USD
CY2012Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	125895000	USD
CY2012Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	128270000	USD
CY2011Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	108706000	USD
CY2012Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	132776000	USD
CY2011Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	118410000	USD
CY2011	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	116000	USD
CY2012	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	38000	USD
CY2010	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	157000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	109173000	USD
CY2010	us-gaap	Interest Paid Net InterestPaidNet	177422000	USD
CY2011	us-gaap	Interest Paid Net InterestPaidNet	146982000	USD
CY2012Q4	us-gaap	Interest Receivable And Other Assets InterestReceivableAndOtherAssets	511617000	USD
CY2011Q4	us-gaap	Interest Receivable And Other Assets InterestReceivableAndOtherAssets	444912000	USD
CY2012Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	249493000	USD
CY2011Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	249493000	USD
CY2010	us-gaap	Labor And Related Expense LaborAndRelatedExpense	215766000	USD
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	288589000	USD
CY2011	us-gaap	Labor And Related Expense LaborAndRelatedExpense	237785000	USD
CY2012Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	174300000	USD
CY2011Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	199000000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	14350275000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	15714908000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	15893808000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	17519613000	USD
CY2012	us-gaap	Line Of Credit Facility Commitment Fee Percentage LineOfCreditFacilityCommitmentFeePercentage	0.005
CY2012Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	107351000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	110381000	USD
CY2010Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	113903000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	13454000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	12977000	USD
CY2010Q4	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	0	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	411532000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	0	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	12389030000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	11172745000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount Covered LoansAndLeasesReceivableGrossCarryingAmountCovered	651368000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount Covered LoansAndLeasesReceivableGrossCarryingAmountCovered	560087000	USD
CY2012	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	1300000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	10521377000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	11828943000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	11049387000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	12268225000	USD
CY2011Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	306838000	USD
CY2012Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	385033000	USD
CY2012Q4	us-gaap	Loans Held For Sale Mortgages LoansHeldForSaleMortgages	412200000	USD
CY2012Q4	us-gaap	Loans Payable To Bank LoansPayableToBank	101000000	USD
CY2011Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	1800000000	USD
CY2012Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	2500000000	USD
CY2012Q4	us-gaap	Loans Receivable Held For Sale Net LoansReceivableHeldForSaleNet	27167000	USD
CY2011Q4	us-gaap	Loans Receivable Held For Sale Net LoansReceivableHeldForSaleNet	13686000	USD
CY2012	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	9438000	USD
CY2010	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	6315000	USD
CY2011	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	8380000	USD
CY2011	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	2500000000	USD
CY2012	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	3900000000	USD
CY2011Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	306800000	USD
CY2012Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	385000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	372545000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	589821000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	390792000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-495875000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-500841000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-836964000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	124013000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	268654000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	244267000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	77575000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	111196000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	63329000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	30089000	USD
CY2011Q2	us-gaap	Net Income Loss NetIncomeLoss	11750000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	32302000	USD
CY2011Q4	us-gaap	Net Income Loss NetIncomeLoss	19221000	USD
CY2011Q3	us-gaap	Net Income Loss NetIncomeLoss	30202000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	23210000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	25595000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	16402000	USD
CY2011	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	73447000	USD
CY2012	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	111058000	USD
CY2010	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	32325000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	73447000	USD
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	32325000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	102103000	USD
CY2012Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	22951000	USD
CY2012Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	27473000	USD
CY2011Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	10717000	USD
CY2011Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	18189000	USD
CY2012Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	21964000	USD
CY2011Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	29170000	USD
CY2012Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	29686000	USD
CY2011Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	15371000	USD
CY2011	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	1220189000	USD
CY2012	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	1160084000	USD
CY2010	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	730522000	USD
CY2012Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2396264000	USD
CY2011Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1785433000	USD
CY2010	us-gaap	Noninterest Expense NoninterestExpense	382525000	USD
CY2012	us-gaap	Noninterest Expense NoninterestExpense	489040000	USD
CY2011	us-gaap	Noninterest Expense NoninterestExpense	420404000	USD
CY2012Q4	us-gaap	Noninterest Expense NoninterestExpense	129548000	USD
CY2011Q2	us-gaap	Noninterest Expense NoninterestExpense	97206000	USD
CY2011Q3	us-gaap	Noninterest Expense NoninterestExpense	106321000	USD
CY2012Q1	us-gaap	Noninterest Expense NoninterestExpense	117759000	USD
CY2011Q1	us-gaap	Noninterest Expense NoninterestExpense	98109000	USD
CY2012Q3	us-gaap	Noninterest Expense NoninterestExpense	124548000	USD
CY2011Q4	us-gaap	Noninterest Expense NoninterestExpense	118768000	USD
CY2012Q2	us-gaap	Noninterest Expense NoninterestExpense	117185000	USD
CY2010	us-gaap	Noninterest Income NoninterestIncome	192160000	USD
CY2012	us-gaap	Noninterest Income NoninterestIncome	226092000	USD
CY2011	us-gaap	Noninterest Income NoninterestIncome	189698000	USD
CY2011Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	67022000	USD
CY2011Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	35500000	USD
CY2012Q4	us-gaap	Noninterest Income Other NoninterestIncomeOther	62628000	USD
CY2012Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	62536000	USD
CY2012Q1	us-gaap	Noninterest Income Other NoninterestIncomeOther	46207000	USD
CY2011Q4	us-gaap	Noninterest Income Other NoninterestIncomeOther	44603000	USD
CY2011Q1	us-gaap	Noninterest Income Other NoninterestIncomeOther	40781000	USD
CY2012Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	49826000	USD
CY2012	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	25497000	USD
CY2010	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	18945000	USD
CY2011	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	19603000	USD
CY2011Q4	us-gaap	Notes Payable NotesPayable	52822000	USD
CY2012Q4	us-gaap	Notes Payable NotesPayable	2093000	USD
CY2012Q4	us-gaap	Notional Amount Of Foreign Currency Derivatives NotionalAmountOfForeignCurrencyDerivatives	1700000	USD
CY2012Q4	us-gaap	Notional Amount Of Interest Rate Cash Flow Hedge Derivatives NotionalAmountOfInterestRateCashFlowHedgeDerivatives	225000000	USD
CY2012	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2010	us-gaap	Occupancy Net OccupancyNet	24444000	USD
CY2012	us-gaap	Occupancy Net OccupancyNet	32294000	USD
CY2011	us-gaap	Occupancy Net OccupancyNet	28764000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	32011000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	5583000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	3099000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	3923000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	4138000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	4819000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	10449000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	29291000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	5459000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	3966000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	4451000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	4998000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	5239000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	5178000	USD
CY2011	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	3800000	USD
CY2010	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	2400000	USD
CY2012	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	4700000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	7900000	USD
CY2010	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	6200000	USD
CY2011	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	7900000	USD
CY2011	us-gaap	Origination And Purchases Of Mortgage Banking Assets OriginationAndPurchasesOfMortgageBankingAssets	2545385000	USD
CY2012	us-gaap	Origination And Purchases Of Mortgage Banking Assets OriginationAndPurchasesOfMortgageBankingAssets	3866012000	USD
CY2010	us-gaap	Origination And Purchases Of Mortgage Banking Assets OriginationAndPurchasesOfMortgageBankingAssets	3746127000	USD
CY2012Q4	us-gaap	Other Borrowings OtherBorrowings	274411000	USD
CY2011Q4	us-gaap	Other Borrowings OtherBorrowings	443753000	USD
CY2011	us-gaap	Other Comprehensive Income Cumulative Effect Of Change In Accounting Principle Before Taxes OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleBeforeTaxes	0	USD
CY2012	us-gaap	Other Comprehensive Income Cumulative Effect Of Change In Accounting Principle Before Taxes OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleBeforeTaxes	0	USD
CY2010	us-gaap	Other Comprehensive Income Cumulative Effect Of Change In Accounting Principle Before Taxes OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleBeforeTaxes	254000	USD
CY2010	us-gaap	Other Comprehensive Income Cumulative Effect Of Change In Accounting Principle Net Of Taxes OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleNetOfTaxes	156000	USD
CY2011	us-gaap	Other Comprehensive Income Cumulative Effect Of Change In Accounting Principle Net Of Taxes OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleNetOfTaxes	0	USD
CY2012	us-gaap	Other Comprehensive Income Cumulative Effect Of Change In Accounting Principle Net Of Taxes OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleNetOfTaxes	0	USD
CY2012	us-gaap	Other Comprehensive Income Cumulative Effect Of Change In Accounting Principle Taxes OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleTaxes	0	USD
CY2010	us-gaap	Other Comprehensive Income Cumulative Effect Of Change In Accounting Principle Taxes OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleTaxes	98000	USD
CY2011	us-gaap	Other Comprehensive Income Cumulative Effect Of Change In Accounting Principle Taxes OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleTaxes	0	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	6293000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	1956000	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1525000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2506000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-64000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	8249000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	10589000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2634000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1266000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	10589000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2634000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1266000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	-9832000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	-4895000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	-1792000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-2955000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-6045000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-1080000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	-3787000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	-712000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	-1940000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	2960000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	1690000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	2164000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1330000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1790000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1109000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	581000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	1170000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	834000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	8793000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	4467000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	9579000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	5461000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2605000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	5825000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	3332000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1862000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	3754000	USD
CY2011Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	22070000	USD
CY2012Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	20947000	USD
CY2011	us-gaap	Other Noninterest Expense OtherNoninterestExpense	51858000	USD
CY2010	us-gaap	Other Noninterest Expense OtherNoninterestExpense	47624000	USD
CY2012	us-gaap	Other Noninterest Expense OtherNoninterestExpense	64647000	USD
CY2012Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	36010000	USD
CY2011Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	30420000	USD
CY2012	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
CY2011	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
CY2010	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
CY2010	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	733376000	USD
CY2012	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	948601000	USD
CY2011	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	802926000	USD
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	218000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7726000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	112000	USD
CY2012	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
CY2010	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	250000000	USD
CY2011	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
CY2012	us-gaap	Payments Of Dividends PaymentsOfDividends	13157000	USD
CY2011	us-gaap	Payments Of Dividends PaymentsOfDividends	10344000	USD
CY2010	us-gaap	Payments Of Dividends PaymentsOfDividends	22776000	USD
CY2011	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	3087864000	USD
CY2012	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	2570373000	USD
CY2010	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	2016636000	USD
CY2011	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-91571000	USD
CY2010	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-62189000	USD
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-64351000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	79132000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	74326000	USD
CY2010	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	30510000	USD
CY2011	us-gaap	Preferred Stock Accretion Of Redemption Discount PreferredStockAccretionOfRedemptionDiscount	0	USD
CY2010	us-gaap	Preferred Stock Accretion Of Redemption Discount PreferredStockAccretionOfRedemptionDiscount	0	USD
CY2012	us-gaap	Preferred Stock Accretion Of Redemption Discount PreferredStockAccretionOfRedemptionDiscount	0	USD
CY2011	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	4128000	USD
CY2010	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	19643000	USD
CY2012	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	9093000	USD
CY2011Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1032000	USD
CY2012Q2	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	2644000	USD
CY2012Q1	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1246000	USD
CY2012Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	2616000	USD
CY2012Q4	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	2616000	USD
CY2011Q2	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1033000	USD
CY2011Q1	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1031000	USD
CY2011Q4	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1032000	USD
CY2011Q4	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2012Q4	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	50000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	176500	shares
CY2011Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	50000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	176500	shares
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2010	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	315108000	USD
CY2011	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2011	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2010	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2012	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	122690000	USD
CY2012	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	10400000	USD
CY2010	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	2400000	USD
CY2011	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1500000	USD
CY2012	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	588281000	USD
CY2011	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1483986000	USD
CY2010	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1032581000	USD
CY2011	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	140684000	USD
CY2012	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	-212564000	USD
CY2010	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	366099000	USD
CY2011	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	226050000	USD
CY2010	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	13173000	USD
CY2012	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-306786000	USD
CY2012	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	239200000	USD
CY2010	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	710290000	USD
CY2012	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	2399035000	USD
CY2011	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1265046000	USD
CY2012	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	3865863000	USD
CY2010	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	3723773000	USD
CY2011	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	2638162000	USD
CY2011	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	59076000	USD
CY2010	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	64431000	USD
CY2012	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	88633000	USD
CY2011	us-gaap	Professional Fees ProfessionalFees	16874000	USD
CY2010	us-gaap	Professional Fees ProfessionalFees	16394000	USD
CY2012	us-gaap	Professional Fees ProfessionalFees	15262000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	666227000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	578462000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	501205000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	431512000	USD
CY2012	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	72412000	USD
CY2011	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	97920000	USD
CY2012	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	76436000	USD
CY2010	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	124664000	USD
CY2011	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	102638000	USD
CY2011Q4	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	18817000	USD
CY2012Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	17400000	USD
CY2011Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	29187000	USD
CY2012Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	20691000	USD
CY2012Q4	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	19546000	USD
CY2011Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	29290000	USD
CY2012Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	18799000	USD
CY2011Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	25344000	USD
CY2012Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	62900000	USD
CY2011Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	86500000	USD
CY2012Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	24864000	USD
CY2011Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	27925000	USD
CY2010	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	36735000	USD
CY2011	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	USD
CY2012	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	70000000	USD
CY2011	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	USD
CY2010	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	USD
CY2012	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	-600000000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	555023000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	459457000	USD
CY2011Q4	us-gaap	Secured Debt Other SecuredDebtOther	1043753000	USD
CY2012Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	238401000	USD
CY2011Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	413333000	USD
CY2012Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	49900000	USD
CY2010	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	4972000	USD
CY2011	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	2611000	USD
CY2012	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	4151000	USD
CY2012Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	6750000	USD
CY2011Q4	us-gaap	Secured Debt SecuredDebt	600000000	USD
CY2012Q4	us-gaap	Secured Debt SecuredDebt	0	USD
CY2012Q2	us-gaap	Secured Debt SecuredDebt	360800000	USD
CY2012Q4	us-gaap	Secured Debt Other SecuredDebtOther	274411000	USD
CY2011Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	6700000	USD
CY2010Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	8762000	USD
CY2009Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	6745000	USD
CY2010	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-487000	USD
CY2012	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-293000	USD
CY2011	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-2243000	USD
CY2010	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	2468000	USD
CY2011	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	2430000	USD
CY2012	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	3808000	USD
CY2010	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	2977000	USD
CY2011	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	4673000	USD
CY2012	us-gaap	Servicing Asset At Fair Value Period Increase Decrease ServicingAssetAtFairValuePeriodIncreaseDecrease	4101000	USD
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	4640000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	9072000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	5692000	USD
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	9500000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	6400000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	4100000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.006
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.005
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.005
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.007
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.025
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.010
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.626
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.485
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.618
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1803298	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1346287	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1779218	shares
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	39.63
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	45.57
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	39.93
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5400000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1200000	USD
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3200000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	85395	shares
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	42736	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	111464	shares
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	86865	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	221003	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	250997	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	15.00
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	15.84
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	15.83
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	3809000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	3836000	USD
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	8028000	USD
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2040701	shares
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2156209	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2064534	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1745427	shares
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	38.92
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	37.61
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	38.83
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	42.31
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	1736974	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	42.37
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	17.20
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	21.43
CY2010	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.95
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	43.70
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	46.01
CY2010	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	51.46
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	33.15
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	31.16
CY2010	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	33.63
CY2012Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1677000	USD
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y4M24D
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y6M
CY2010	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y2M12D
CY2011Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	3558000	USD
CY2010Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	7368000	USD
CY2010	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y3M18D
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y3M18D
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y1M6D
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y8M12D
CY2010	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y3M18D
CY2012	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	66237	shares
CY2010	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	53909	shares
CY2011	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	71077	shares
CY2010	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	159637	shares
CY2012	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	484709	shares
CY2011	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	85706	shares
CY2012	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	14560000	USD
CY2011	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	26486000	USD
CY2011	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2099000	USD
CY2010	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1395000	USD
CY2012	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2325000	USD
CY2010	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	315108000	USD
CY2012	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-994000	USD
CY2010	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-241000	USD
CY2011	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-75000	USD
CY2010	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2269000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1536000	USD
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1439000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	1543533000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	1804705000	USD
CY2009Q4	us-gaap	Stockholders Equity StockholdersEquity	1138639000	USD
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	1436549000	USD
CY2012Q4	us-gaap	Subordinated Debt SubordinatedDebt	15000000	USD
CY2011Q4	us-gaap	Subordinated Debt SubordinatedDebt	35000000	USD
CY2012	us-gaap	Tax Benefit From Stock Options Exercised1 TaxBenefitFromStockOptionsExercised1	3300000	USD
CY2010	us-gaap	Tax Benefit From Stock Options Exercised1 TaxBenefitFromStockOptionsExercised1	1700000	USD
CY2011	us-gaap	Tax Benefit From Stock Options Exercised1 TaxBenefitFromStockOptionsExercised1	2200000	USD
CY2012Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	2600000	USD
CY2012Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.05
CY2012Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.100
CY2011Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.094
CY2012Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.06
CY2011Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.118
CY2012Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.121
CY2012Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	5369000	USD
CY2011Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	4278000	USD
CY2012Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	105944000	USD
CY2011Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	108511000	USD
CY2011Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	290741000	USD
CY2012Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	135003000	USD
CY2011Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	3239761000	USD
CY2012Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	3314646000	USD
CY2011Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	235585000	USD
CY2012Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	377180000	USD
CY2011Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	1004024000	USD
CY2012Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	1042769000	USD
CY2012Q4	us-gaap	Time Deposits TimeDeposits	4980911000	USD
CY2011Q4	us-gaap	Time Deposits TimeDeposits	4882900000	USD
CY2011Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	3174619000	USD
CY2012Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	3366749000	USD
CY2011	us-gaap	Trading Gains Losses TradingGainsLosses	337000	USD
CY2010	us-gaap	Trading Gains Losses TradingGainsLosses	5165000	USD
CY2012	us-gaap	Trading Gains Losses TradingGainsLosses	-1900000	USD
CY2011Q4	us-gaap	Trading Securities TradingSecurities	2490000	USD
CY2012Q4	us-gaap	Trading Securities TradingSecurities	583000	USD
CY2011	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	59669000	USD
CY2010	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	68663000	USD
CY2012	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	30651000	USD
CY2011Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	3601	shares
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	249329	shares
CY2011Q4	us-gaap	Treasury Stock Value TreasuryStockValue	112000	USD
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	7838000	USD
CY2011	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	112000	USD
CY2011	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	8636000	shares
CY2010	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1513000	shares
CY2012	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	11669000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43991000	shares
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	31570000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48034000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	30057000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36365000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35355000	shares
CY2012Q4	wtfc	Allowance For Unfunded Lending Related Commitments AllowanceForUnfundedLendingRelatedCommitments	14647000	USD
CY2011Q4	wtfc	Allowance For Unfunded Lending Related Commitments AllowanceForUnfundedLendingRelatedCommitments	13231000	USD
CY2012Q4	wtfc	Allowance On Troubled Debt Restructurings AllowanceOnTroubledDebtRestructurings	2200000	USD
CY2012Q4	wtfc	Amendment Date AmendmentDate	2012-10-26
CY2012Q4	wtfc	Amount Available To Be Paid As Dividends Without Prior Regulatory Approval AmountAvailableToBePaidAsDividendsWithoutPriorRegulatoryApproval	136700000	USD
CY2010Q4	wtfc	Amount Of Tangible Equity Units Sold AmountOfTangibleEquityUnitsSold	4600000	shares
CY2012	wtfc	Amount Reclassifed From Additional Paid In Capital To Common Stock Per Share AmountReclassifedFromAdditionalPaidInCapitalToCommonStockPerShare	1
CY2012	wtfc	Assets Nonrecurring Fair Value Losses Recognized AssetsNonrecurringFairValueLossesRecognized	54716000	USD
CY2012Q4	wtfc	Authorized Purchase Price Common Stock Employee Stock Purchase Plan AuthorizedPurchasePriceCommonStockEmployeeStockPurchasePlan	0.9
CY2012	wtfc	Benefit Attributable To Fdic Loss Share Agreements BenefitAttributableToFdicLossShareAgreements	-16258000	USD
CY2011	wtfc	Benefit Attributable To Fdic Loss Share Agreements BenefitAttributableToFdicLossShareAgreements	-18620000	USD
CY2012	wtfc	Borrowings Agreement Considered Base Rate Loans On Bear Interest Rate BorrowingsAgreementConsideredBaseRateLoansOnBearInterestRate	0.04
CY2009Q4	wtfc	Business Acquisition Purchase Price Allocation Unpaid Loan Balances Cash Paid BusinessAcquisitionPurchasePriceAllocationUnpaidLoanBalancesCashPaid	745900000	USD
CY2011	wtfc	Business Combination Indemnification Asset Expected Reimbursements BusinessCombinationIndemnificationAssetExpectedReimbursements	-25648000	USD
CY2012	wtfc	Business Combination Indemnification Asset Expected Reimbursements BusinessCombinationIndemnificationAssetExpectedReimbursements	-61406000	USD
CY2010Q4	wtfc	Carrying Value Of Tangible Equity Units Gross Proceeds CarryingValueOfTangibleEquityUnitsGrossProceeds	230000000	USD
CY2010Q4	wtfc	Carrying Value Of Tangible Equity Units Issuance Costs Including Discount CarryingValueOfTangibleEquityUnitsIssuanceCostsIncludingDiscount	7353000	USD
CY2010	wtfc	Carrying Value Of Tangible Equity Units Net Proceeds CarryingValueOfTangibleEquityUnitsNetProceeds	222647000	USD
CY2010Q4	wtfc	Carrying Value Of Tangible Equity Units Unit Price CarryingValueOfTangibleEquityUnitsUnitPrice	50.00
CY2010Q4	wtfc	Carrying Value Of Tangible Equity Units Units Issued CarryingValueOfTangibleEquityUnitsUnitsIssued	4600000	shares
CY2012Q4	wtfc	Cash Collateral Pledged For Derivatives CashCollateralPledgedForDerivatives	6600000	USD
CY2012Q4	wtfc	Common Securities Proportion To Junior Subordinated Debentures CommonSecuritiesProportionToJuniorSubordinatedDebentures	0.03
CY2012Q4	wtfc	Consecutive Quarters Of Deferred Payment ConsecutiveQuartersOfDeferredPayment	20
CY2012Q4	wtfc	Covered Loans30 To59 Days Past Due And Still Accruing CoveredLoans30To59DaysPastDueAndStillAccruing	7999000	USD
CY2011Q4	wtfc	Covered Loans30 To59 Days Past Due And Still Accruing CoveredLoans30To59DaysPastDueAndStillAccruing	24799000	USD
CY2012Q4	wtfc	Covered Loans60 To89 Days Past Due And Still Accruing CoveredLoans60To89DaysPastDueAndStillAccruing	16108000	USD
CY2011Q4	wtfc	Covered Loans60 To89 Days Past Due And Still Accruing CoveredLoans60To89DaysPastDueAndStillAccruing	25507000	USD
CY2012Q4	wtfc	Covered Loans90 Days Past Due And Still Accruing CoveredLoans90DaysPastDueAndStillAccruing	122350000	USD
CY2011Q4	wtfc	Covered Loans90 Days Past Due And Still Accruing CoveredLoans90DaysPastDueAndStillAccruing	174727000	USD
CY2011	wtfc	Covered Loans Charged Off CoveredLoansChargedOff	10298000	USD
CY2012	wtfc	Covered Loans Charged Off CoveredLoansChargedOff	19921000	USD
CY2012Q4	wtfc	Covered Loans Current CoveredLoansCurrent	411642000	USD
CY2011Q4	wtfc	Covered Loans Current CoveredLoansCurrent	426335000	USD
CY2011	wtfc	Covered Loans Net Charge Offs CoveredLoansNetChargeOffs	10296000	USD
CY2012	wtfc	Covered Loans Net Charge Offs CoveredLoansNetChargeOffs	19805000	USD
CY2012Q4	wtfc	Covered Loans Nonaccrual CoveredLoansNonaccrual	1988000	USD
CY2011Q4	wtfc	Covered Loans Nonaccrual CoveredLoansNonaccrual	0	USD
CY2012Q4	wtfc	Customer Balances Maintained By Clearing Broker And Subject To Indemnification CustomerBalancesMaintainedByClearingBrokerAndSubjectToIndemnification	24900000	USD
CY2012Q4	wtfc	Deferred Loan Fees And Costs Net Including Purchase Accounting Adjustments DeferredLoanFeesAndCostsNetIncludingPurchaseAccountingAdjustments	13200000	USD
CY2011Q4	wtfc	Deferred Loan Fees And Costs Net Including Purchase Accounting Adjustments DeferredLoanFeesAndCostsNetIncludingPurchaseAccountingAdjustments	13600000	USD
CY2011Q4	wtfc	Deferred Tax Assets Allowance For Credit Losses DeferredTaxAssetsAllowanceForCreditLosses	44538000	USD
CY2012Q4	wtfc	Deferred Tax Assets Allowance For Credit Losses DeferredTaxAssetsAllowanceForCreditLosses	42480000	USD
CY2012Q4	wtfc	Deferred Tax Assets Covered Assets DeferredTaxAssetsCoveredAssets	7527000	USD
CY2011Q4	wtfc	Deferred Tax Assets Covered Assets DeferredTaxAssetsCoveredAssets	0	USD
CY2012Q4	wtfc	Deferred Tax Assets Mortgage Banking Recourse Obligation DeferredTaxAssetsMortgageBankingRecourseObligation	1706000	USD
CY2011Q4	wtfc	Deferred Tax Assets Mortgage Banking Recourse Obligation DeferredTaxAssetsMortgageBankingRecourseObligation	992000	USD
CY2011Q4	wtfc	Deferred Tax Assets Net Unrealized Losses On Derivatives Included In Other Comprehensive Income DeferredTaxAssetsNetUnrealizedLossesOnDerivativesIncludedInOtherComprehensiveIncome	4623000	USD
CY2012Q4	wtfc	Deferred Tax Assets Net Unrealized Losses On Derivatives Included In Other Comprehensive Income DeferredTaxAssetsNetUnrealizedLossesOnDerivativesIncludedInOtherComprehensiveIncome	3442000	USD
CY2011Q4	wtfc	Deferred Tax Assets Nonaccrued Interest DeferredTaxAssetsNonaccruedInterest	2414000	USD
CY2012Q4	wtfc	Deferred Tax Assets Nonaccrued Interest DeferredTaxAssetsNonaccruedInterest	3053000	USD
CY2011Q4	wtfc	Deferred Tax Assets Other Real Estate Owned DeferredTaxAssetsOtherRealEstateOwned	9724000	USD
CY2012Q4	wtfc	Deferred Tax Assets Other Real Estate Owned DeferredTaxAssetsOtherRealEstateOwned	9193000	USD
CY2011Q4	wtfc	Deferred Tax Liabilities Capitalized Servicing Rights DeferredTaxLiabilitiesCapitalizedServicingRights	2650000	USD
CY2012Q4	wtfc	Deferred Tax Liabilities Capitalized Servicing Rights DeferredTaxLiabilitiesCapitalizedServicingRights	2670000	USD
CY2011Q4	wtfc	Deferred Tax Liabilities Covered Assets DeferredTaxLiabilitiesCoveredAssets	30058000	USD
CY2012Q4	wtfc	Deferred Tax Liabilities Covered Assets DeferredTaxLiabilitiesCoveredAssets	0	USD
CY2012Q4	wtfc	Deferred Tax Liabilities Deferred Loan Fees And Costs DeferredTaxLiabilitiesDeferredLoanFeesAndCosts	4487000	USD
CY2011Q4	wtfc	Deferred Tax Liabilities Deferred Loan Fees And Costs DeferredTaxLiabilitiesDeferredLoanFeesAndCosts	5809000	USD
CY2012Q4	wtfc	Deferred Tax Liabilities Discount On Purchased Loans DeferredTaxLiabilitiesDiscountOnPurchasedLoans	27458000	USD
CY2011Q4	wtfc	Deferred Tax Liabilities Discount On Purchased Loans DeferredTaxLiabilitiesDiscountOnPurchasedLoans	33664000	USD
CY2011Q4	wtfc	Deferred Tax Liabilities Fair Value Adjustment On Loans DeferredTaxLiabilitiesFairValueAdjustmentOnLoans	2142000	USD
CY2012Q4	wtfc	Deferred Tax Liabilities Fair Value Adjustment On Loans DeferredTaxLiabilitiesFairValueAdjustmentOnLoans	6634000	USD
CY2012Q4	wtfc	Deferred Tax Liabilities Fhlb Stock Dividends DeferredTaxLiabilitiesFhlbStockDividends	1610000	USD
CY2011Q4	wtfc	Deferred Tax Liabilities Fhlb Stock Dividends DeferredTaxLiabilitiesFhlbStockDividends	3322000	USD
CY2012Q4	wtfc	Deferred Tax Liabilities Net Unrealized Gains On Securities Included In Other Comprehensive Income DeferredTaxLiabilitiesNetUnrealizedGainsOnSecuritiesIncludedInOtherComprehensiveIncome	4336000	USD
CY2011Q4	wtfc	Deferred Tax Liabilities Net Unrealized Gains On Securities Included In Other Comprehensive Income DeferredTaxLiabilitiesNetUnrealizedGainsOnSecuritiesIncludedInOtherComprehensiveIncome	2807000	USD
CY2012Q4	wtfc	Defined Benefit Plan Employees Covered By Pension Plan DefinedBenefitPlanEmployeesCoveredByPensionPlan	100
CY2011Q4	wtfc	Deposits Percentage DepositsPercentage	1
CY2012Q4	wtfc	Deposits Percentage DepositsPercentage	1
CY2011Q4	wtfc	Deposits Savings Deposits Percentage DepositsSavingsDepositsPercentage	0.07
CY2012Q4	wtfc	Deposits Savings Deposits Percentage DepositsSavingsDepositsPercentage	0.09
CY2010Q4	wtfc	Discount Rate On Debt Component DiscountRateOnDebtComponent	0.0950
CY2012	wtfc	Defined Contribution Plan Employee Requisite Service Period DefinedContributionPlanEmployeeRequisiteServicePeriod	PT501H
CY2011Q4	wtfc	Deposits Money Market Deposits Percentage DepositsMoneyMarketDepositsPercentage	0.18
CY2012Q4	wtfc	Deposits Money Market Deposits Percentage DepositsMoneyMarketDepositsPercentage	0.19
CY2012Q4	wtfc	Deposits Negotiable Order Of Withdrawal Now Percentage DepositsNegotiableOrderOfWithdrawalNowPercentage	0.14
CY2011Q4	wtfc	Deposits Negotiable Order Of Withdrawal Now Percentage DepositsNegotiableOrderOfWithdrawalNowPercentage	0.14
CY2012Q2	wtfc	Employee Stock Purchase Plan Authorized Shares EmployeeStockPurchasePlanAuthorizedShares	300000	shares
CY2011	wtfc	Employee Stock Purchase Plan Compensation Expense EmployeeStockPurchasePlanCompensationExpense	300000	USD
CY2012	wtfc	Employee Stock Purchase Plan Compensation Expense EmployeeStockPurchasePlanCompensationExpense	421000	USD
CY2010	wtfc	Employee Stock Purchase Plan Compensation Expense EmployeeStockPurchasePlanCompensationExpense	274000	USD
CY2012Q4	wtfc	Employee Stock Purchase Plan Obligation To Issue Shares EmployeeStockPurchasePlanObligationToIssueShares	12969	shares
CY2012Q4	wtfc	Employee Stock Purchase Plan Shares Available For Future Grants EmployeeStockPurchasePlanSharesAvailableForFutureGrants	321116	shares
CY2012	wtfc	Extended Installment Period On Amortizing Note ExtendedInstallmentPeriodOnAmortizingNote	2015-12-15
CY2012	wtfc	Fdic Loss Sharing Agreement Percentage FDICLossSharingAgreementPercentage	0.80
CY2012	wtfc	Fair Value Hedge Net Reduction In Interest Income FairValueHedgeNetReductionInInterestIncome	118000	USD
CY2009Q4	wtfc	Fair Value Of Unpaid Loan Balances FairValueOfUnpaidLoanBalances	1000000000	USD
CY2012Q4	wtfc	Federal Home Loan Bank Advances Having Varying Call Dates FederalHomeLoanBankAdvancesHavingVaryingCallDates	35000000	USD
CY2012Q4	wtfc	Federal Home Loan Bank Advances Restructured Advances FederalHomeLoanBankAdvancesRestructuredAdvances	292500000	USD
CY2012	wtfc	Federal Home Loan Bank Advances Weighted Average Effective Interest Rate FederalHomeLoanBankAdvancesWeightedAverageEffectiveInterestRate	0.0132
CY2011	wtfc	Federal Home Loan Bank And Federal Reserve Stock FederalHomeLoanBankAndFederalReserveStock	2297000	USD
CY2010	wtfc	Federal Home Loan Bank And Federal Reserve Stock FederalHomeLoanBankAndFederalReserveStock	1931000	USD
CY2012	wtfc	Federal Home Loan Bank And Federal Reserve Stock FederalHomeLoanBankAndFederalReserveStock	2550000	USD
CY2011	wtfc	Fees From Covered Call Options FeesFromCoveredCallOptions	13570000	USD
CY2010	wtfc	Fees From Covered Call Options FeesFromCoveredCallOptions	2235000	USD
CY2012	wtfc	Fees From Covered Call Options FeesFromCoveredCallOptions	10476000	USD
CY2012	wtfc	Financing Receivable Allowance For Credit Losses Other Adjustments FinancingReceivableAllowanceForCreditLossesOtherAdjustments	-1333000	USD
CY2011	wtfc	Financing Receivable Allowance For Credit Losses Other Adjustments FinancingReceivableAllowanceForCreditLossesOtherAdjustments	0	USD
CY2012	wtfc	Financing Receivables Modifications Weighted Average Extension Term FinancingReceivablesModificationsWeightedAverageExtensionTerm	P9M
CY2010	wtfc	Financing Receivables Modifications Weighted Average Extension Term FinancingReceivablesModificationsWeightedAverageExtensionTerm	P13M
CY2011	wtfc	Financing Receivables Modifications Weighted Average Extension Term FinancingReceivablesModificationsWeightedAverageExtensionTerm	P11M
CY2012	wtfc	Financing Receivables Modifications Weighted Average Interest Only Term FinancingReceivablesModificationsWeightedAverageInterestOnlyTerm	P5M
CY2011	wtfc	Increase Decrease In Tax Resulting From Tax Exempt Interest Net Of Interest Expense Disallowance IncreaseDecreaseInTaxResultingFromTaxExemptInterestNetOfInterestExpenseDisallowance	1139000	USD
CY2012	wtfc	Increase Decrease In Tax Resulting From Tax Exempt Interest Net Of Interest Expense Disallowance IncreaseDecreaseInTaxResultingFromTaxExemptInterestNetOfInterestExpenseDisallowance	1294000	USD
CY2010	wtfc	Increase Decrease In Tax Resulting From Tax Exempt Interest Net Of Interest Expense Disallowance IncreaseDecreaseInTaxResultingFromTaxExemptInterestNetOfInterestExpenseDisallowance	963000	USD
CY2011	wtfc	Increase Decrease Of Prepaid Stock Purchase Contracts IncreaseDecreaseOfPrepaidStockPurchaseContracts	0	USD
CY2010	wtfc	Increase Decrease Of Prepaid Stock Purchase Contracts IncreaseDecreaseOfPrepaidStockPurchaseContracts	179316000	USD
CY2012	wtfc	Increase Decrease Of Prepaid Stock Purchase Contracts IncreaseDecreaseOfPrepaidStockPurchaseContracts	0	USD
CY2012	wtfc	Increase In Fdic Indemnification Asset IncreaseInFdicIndemnificationAsset	16258000	USD
CY2011	wtfc	Increase In Fdic Indemnification Asset IncreaseInFdicIndemnificationAsset	18618000	USD
CY2011	wtfc	Financing Receivables Modifications Weighted Average Interest Only Term FinancingReceivablesModificationsWeightedAverageInterestOnlyTerm	P9M
CY2010	wtfc	Financing Receivables Modifications Weighted Average Interest Only Term FinancingReceivablesModificationsWeightedAverageInterestOnlyTerm	P11M
CY2012	wtfc	Impaired Financing Receivable Reduction Of Interest Income From Non Accrual Loans ImpairedFinancingReceivableReductionOfInterestIncomeFromNonAccrualLoans	3866000	USD
CY2011	wtfc	Impaired Financing Receivable Reduction Of Interest Income From Non Accrual Loans ImpairedFinancingReceivableReductionOfInterestIncomeFromNonAccrualLoans	4623000	USD
CY2012	wtfc	Impaired Loans Fair Value Losses Recognized ImpairedLoansFairValueLossesRecognized	30143000	USD
CY2010	wtfc	Increase Decrease In Tax Resulting From Income Earned On Bank Owned Life Insurance IncreaseDecreaseInTaxResultingFromIncomeEarnedOnBankOwnedLifeInsurance	-795000	USD
CY2011	wtfc	Increase Decrease In Tax Resulting From Income Earned On Bank Owned Life Insurance IncreaseDecreaseInTaxResultingFromIncomeEarnedOnBankOwnedLifeInsurance	-854000	USD
CY2012	wtfc	Increase Decrease In Tax Resulting From Income Earned On Bank Owned Life Insurance IncreaseDecreaseInTaxResultingFromIncomeEarnedOnBankOwnedLifeInsurance	-974000	USD
CY2010	wtfc	Incremental Common Shares Equivalent Attributable To Dilutive Effect Of Share Based Payment Arrangements IncrementalCommonSharesEquivalentAttributableToDilutiveEffectOfShareBasedPaymentArrangements	1513000	shares
CY2012	wtfc	Incremental Common Shares Equivalent Attributable To Dilutive Effect Of Share Based Payment Arrangements IncrementalCommonSharesEquivalentAttributableToDilutiveEffectOfShareBasedPaymentArrangements	7313000	shares
CY2011	wtfc	Incremental Common Shares Equivalent Attributable To Dilutive Effect Of Share Based Payment Arrangements IncrementalCommonSharesEquivalentAttributableToDilutiveEffectOfShareBasedPaymentArrangements	8636000	shares
CY2009Q3	wtfc	Instruments Issued By Securitization Entity InstrumentsIssuedBySecuritizationEntity	600000000	USD
CY2012Q4	wtfc	Interest Bearing Deposits With Banks Restricted For Securitization Investors InterestBearingDepositsWithBanksRestrictedForSecuritizationInvestors	0	USD
CY2011Q4	wtfc	Interest Bearing Deposits With Banks Restricted For Securitization Investors InterestBearingDepositsWithBanksRestrictedForSecuritizationInvestors	272592000	USD
CY2010	wtfc	Interest Income On Brokerage Customer Receivables InterestIncomeOnBrokerageCustomerReceivables	655000	USD
CY2012	wtfc	Interest Income On Brokerage Customer Receivables InterestIncomeOnBrokerageCustomerReceivables	847000	USD
CY2011	wtfc	Interest Income On Brokerage Customer Receivables InterestIncomeOnBrokerageCustomerReceivables	760000	USD
CY2011	wtfc	Interest On Notes Payable And Other Borrowings InterestOnNotesPayableAndOtherBorrowings	11023000	USD
CY2010	wtfc	Interest On Notes Payable And Other Borrowings InterestOnNotesPayableAndOtherBorrowings	5943000	USD
CY2012	wtfc	Interest On Notes Payable And Other Borrowings InterestOnNotesPayableAndOtherBorrowings	8966000	USD
CY2012	wtfc	Interest On Secured Borrowings Owed To Securitization Investors InterestOnSecuredBorrowingsOwedToSecuritizationInvestors	5087000	USD
CY2010	wtfc	Interest On Secured Borrowings Owed To Securitization Investors InterestOnSecuredBorrowingsOwedToSecuritizationInvestors	12366000	USD
CY2011	wtfc	Interest On Secured Borrowings Owed To Securitization Investors InterestOnSecuredBorrowingsOwedToSecuritizationInvestors	12113000	USD
CY2010	wtfc	Issuance Of Common Shares Resulting From Exercise Of Stock Options Employee Stock Purchase Plan And Conversion Of Common Stock Warrants IssuanceOfCommonSharesResultingFromExerciseOfStockOptionsEmployeeStockPurchasePlanAndConversionOfCommonStockWarrants	3956000	USD
CY2012	wtfc	Issuance Of Common Shares Resulting From Exercise Of Stock Options Employee Stock Purchase Plan And Conversion Of Common Stock Warrants IssuanceOfCommonSharesResultingFromExerciseOfStockOptionsEmployeeStockPurchasePlanAndConversionOfCommonStockWarrants	14891000	USD
CY2011	wtfc	Issuance Of Common Shares Resulting From Exercise Of Stock Options Employee Stock Purchase Plan And Conversion Of Common Stock Warrants IssuanceOfCommonSharesResultingFromExerciseOfStockOptionsEmployeeStockPurchasePlanAndConversionOfCommonStockWarrants	3586000	USD
CY2010	wtfc	Issuance Of Prepaid Common Stock Purchase Contracts IssuanceOfPrepaidCommonStockPurchaseContracts	179316000	USD
CY2010Q4	wtfc	Junior Subordinated Amortizing Note Initial Principal Amount JuniorSubordinatedAmortizingNoteInitialPrincipalAmount	9.728182	USD
CY2011Q4	wtfc	Liability For Loss Indemnification Claims On Residential Mortgage Loans Previously Sold To Investors LiabilityForLossIndemnificationClaimsOnResidentialMortgageLoansPreviouslySoldToInvestors	2500000	USD
CY2012Q4	wtfc	Liability For Loss Indemnification Claims On Residential Mortgage Loans Previously Sold To Investors LiabilityForLossIndemnificationClaimsOnResidentialMortgageLoansPreviouslySoldToInvestors	4300000	USD
CY2011	wtfc	Loan Forgiveness LoanForgiveness	67000	USD
CY2010	wtfc	Loan Forgiveness LoanForgiveness	5700000	USD
CY2012	wtfc	Loan Forgiveness LoanForgiveness	800000	USD
CY2012Q4	wtfc	Loans Acquired In Transfer Accretable Yield To Be Amortized To Indem Asset LoansAcquiredInTransferAccretableYieldToBeAmortizedToIndemAsset	54500000	USD
CY2012	wtfc	Loans Held For Sale Fair Value Of Losses Recognized LoansHeldForSaleFairValueOfLossesRecognized	0	USD
CY2012Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans LoansNetOfUnearnedIncomeExcludingCoveredLoans	11828943000	USD
CY2011Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans LoansNetOfUnearnedIncomeExcludingCoveredLoans	10521377000	USD
CY2012Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans30 To59 Days Past Due And Still Accruing LoansNetOfUnearnedIncomeExcludingCoveredLoans30To59DaysPastDueAndStillAccruing	97460000	USD
CY2011Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans30 To59 Days Past Due And Still Accruing LoansNetOfUnearnedIncomeExcludingCoveredLoans30To59DaysPastDueAndStillAccruing	94131000	USD
CY2012Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans60 To89 Days Past Due And Still Accruing LoansNetOfUnearnedIncomeExcludingCoveredLoans60To89DaysPastDueAndStillAccruing	42856000	USD
CY2011Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans60 To89 Days Past Due And Still Accruing LoansNetOfUnearnedIncomeExcludingCoveredLoans60To89DaysPastDueAndStillAccruing	45378000	USD
CY2012Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans90 Days Past Due And Still Accruing LoansNetOfUnearnedIncomeExcludingCoveredLoans90DaysPastDueAndStillAccruing	11640000	USD
CY2011Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans90 Days Past Due And Still Accruing LoansNetOfUnearnedIncomeExcludingCoveredLoans90DaysPastDueAndStillAccruing	8382000	USD
CY2012Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans Current LoansNetOfUnearnedIncomeExcludingCoveredLoansCurrent	11569233000	USD
CY2011Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans Current LoansNetOfUnearnedIncomeExcludingCoveredLoansCurrent	10258997000	USD
CY2012Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans Nonaccrual Status LoansNetOfUnearnedIncomeExcludingCoveredLoansNonaccrualStatus	107754000	USD
CY2011Q4	wtfc	Loans Net Of Unearned Income Excluding Covered Loans Nonaccrual Status LoansNetOfUnearnedIncomeExcludingCoveredLoansNonaccrualStatus	114489000	USD
CY2012	wtfc	Losses Charged Against Indemnification Liability LossesChargedAgainstIndemnificationLiability	284000	USD
CY2011	wtfc	Losses Charged Against Indemnification Liability LossesChargedAgainstIndemnificationLiability	8000000	USD
CY2012Q4	wtfc	Mortgages Held For Sale Past Due90 Days And Accruing MortgagesHeldForSalePastDue90DaysAndAccruing	0	USD
CY2011Q4	wtfc	Mortgages Held For Sale Past Due90 Days And Accruing MortgagesHeldForSalePastDue90DaysAndAccruing	0	USD
CY2012	wtfc	Net Provision For Covered Loan Losses NetProvisionForCoveredLoanLosses	4024000	USD
CY2011	wtfc	Net Provision For Covered Loan Losses NetProvisionForCoveredLoanLosses	4655000	USD
CY2010	wtfc	Non Cash Deemed Preferred Stock Dividend NonCashDeemedPreferredStockDividend	11361000	USD
CY2012	wtfc	Non Cash Deemed Preferred Stock Dividend NonCashDeemedPreferredStockDividend	0	USD
CY2011	wtfc	Non Cash Deemed Preferred Stock Dividend NonCashDeemedPreferredStockDividend	0	USD
CY2010	wtfc	Non Cash Deemed Preferred Stock Dividend Equity Impact NonCashDeemedPreferredStockDividendEquityImpact	0	USD
CY2011Q4	wtfc	Non Interest Bearing Percentage NonInterestBearingPercentage	0.15
CY2012Q4	wtfc	Non Interest Bearing Percentage NonInterestBearingPercentage	0.17
CY2012Q4	wtfc	Number Of Bonds In Continuous Unrealized Loss Position Twelve Months Or Longer NumberOfBondsInContinuousUnrealizedLossPositionTwelveMonthsOrLonger	9
CY2012	wtfc	Number Of Consecutive Trading Days NumberOfConsecutiveTradingDays	P20D
	wtfc	Number Of Fdic Assisted Banks Acquired NumberOfFDICAssistedBanksAcquired	9	financial_institution
CY2012Q4	wtfc	Number Of Remaining Subordinated Notes NumberOfRemainingSubordinatedNotes	1
CY2012Q4	wtfc	Number Of Subordinated Notes Paid Off Prior To Maturity NumberOfSubordinatedNotesPaidOffPriorToMaturity	2
CY2012	wtfc	Number Of Subsidiaries NumberOfSubsidiaries	15	subsidiary
CY2012Q4	wtfc	Number Of Trust Preferred Securities In Continuous Unrealized Loss Position Twelve Months Or Longer NumberOfTrustPreferredSecuritiesInContinuousUnrealizedLossPositionTwelveMonthsOrLonger	3	securities
CY2010	wtfc	Other Comprehensive Income Loss Effect Of Change In Accounting Principle Foreign Currency Translation Adjustments Net Of Tax OtherComprehensiveIncomeLossEffectOfChangeInAccountingPrincipleForeignCurrencyTranslationAdjustmentsNetOfTax	0	USD
CY2010	wtfc	Other Comprehensive Income Loss Effect Of Change In Accounting Principle Unrealized Gain Loss On Derivatives Net Of Tax OtherComprehensiveIncomeLossEffectOfChangeInAccountingPrincipleUnrealizedGainLossOnDerivativesNetOfTax	0	USD
CY2010	wtfc	Other Comprehensive Income Loss Effect Of Change In Accounting Principle Unrealized Gain Loss On Securities Net Of Tax OtherComprehensiveIncomeLossEffectOfChangeInAccountingPrincipleUnrealizedGainLossOnSecuritiesNetOfTax	156000	USD
CY2012	wtfc	Other Real Estate Owned Expense Net OtherRealEstateOwnedExpenseNet	22103000	USD
CY2011	wtfc	Other Real Estate Owned Expense Net OtherRealEstateOwnedExpenseNet	26340000	USD
CY2010	wtfc	Other Real Estate Owned Expense Net OtherRealEstateOwnedExpenseNet	19331000	USD
CY2012	wtfc	Other Real Estate Owned Fair Value Of Losses Recognized OtherRealEstateOwnedFairValueOfLossesRecognized	24573000	USD
CY2012Q4	wtfc	Ownership Interest Percentage In Unconsolidated Subsidary Trusts OwnershipInterestPercentageInUnconsolidatedSubsidaryTrusts	1
CY2012Q4	wtfc	Percentage Of Covered Loans PercentageOfCoveredLoans	0.04
CY2011Q4	wtfc	Percentage Of Covered Loans PercentageOfCoveredLoans	0.06
CY2010	wtfc	Percentage Of Fair Value Of Debt Component Quarterly Cash Payments PercentageOfFairValueOfDebtComponentQuarterlyCashPayments	0.075
CY2011Q4	wtfc	Percentage Of Loans And Leases Receivable Gross Carrying Amount PercentageOfLoansAndLeasesReceivableGrossCarryingAmount	1
CY2012Q4	wtfc	Percentage Of Loans And Leases Receivable Gross Carrying Amount PercentageOfLoansAndLeasesReceivableGrossCarryingAmount	1
CY2011Q4	wtfc	Percentage Of Loans Net Of Unearned Income Excluding Covered Loans PercentageOfLoansNetOfUnearnedIncomeExcludingCoveredLoans	0.94
CY2012Q4	wtfc	Percentage Of Loans Net Of Unearned Income Excluding Covered Loans PercentageOfLoansNetOfUnearnedIncomeExcludingCoveredLoans	0.96
CY2012Q4	wtfc	Percentage Of Us Government Sponsored Agency Securities In Shareholders Equity PercentageOfUsGovernmentSponsoredAgencySecuritiesInShareholdersEquity	0.1
CY2012	wtfc	Proceeds Received From Fdic Related To Reimbursements On Covered Assets ProceedsReceivedFromFdicRelatedToReimbursementsOnCoveredAssets	169689000	USD
CY2010	wtfc	Proceeds Received From Fdic Related To Reimbursements On Covered Assets ProceedsReceivedFromFdicRelatedToReimbursementsOnCoveredAssets	44091000	USD
CY2011	wtfc	Proceeds Received From Fdic Related To Reimbursements On Covered Assets ProceedsReceivedFromFdicRelatedToReimbursementsOnCoveredAssets	92595000	USD
CY2011	wtfc	Provision For Covered Loan Losses Before Benefit Attributable To Fdic Loss Share Agreements ProvisionForCoveredLoanLossesBeforeBenefitAttributableToFdicLossShareAgreements	23275000	USD
CY2012	wtfc	Provision For Covered Loan Losses Before Benefit Attributable To Fdic Loss Share Agreements ProvisionForCoveredLoanLossesBeforeBenefitAttributableToFdicLossShareAgreements	20282000	USD
CY2010	wtfc	Quarterly Installments On Amortizing Note QuarterlyInstallmentsOnAmortizingNote	0.9375	USD
CY2011Q1	wtfc	Quarterly Installments On Amortizing Note QuarterlyInstallmentsOnAmortizingNote	0.989583	USD
CY2010Q4	wtfc	Rate On Tangible Equity Units RateOnTangibleEquityUnits	0.075
CY2010	wtfc	Received Net Proceeds After Deducting Underwriting Discounts And Commissions And Estimated Offering Expenses ReceivedNetProceedsAfterDeductingUnderwritingDiscountsAndCommissionsAndEstimatedOfferingExpenses	222700000	USD
CY2012	wtfc	Reclassification To From Allowance For Unfunded Lending Related Commitments ReclassificationToFromAllowanceForUnfundedLendingRelatedCommitments	693000	USD
CY2011	wtfc	Reclassification To From Allowance For Unfunded Lending Related Commitments ReclassificationToFromAllowanceForUnfundedLendingRelatedCommitments	1904000	USD
CY2011	wtfc	Recoveries Of Covered Loans Charged Off RecoveriesOfCoveredLoansChargedOff	2000	USD
CY2012	wtfc	Recoveries Of Covered Loans Charged Off RecoveriesOfCoveredLoansChargedOff	116000	USD
CY2010Q4	wtfc	Sale Of Tangible Equity Unit Price Per Share SaleOfTangibleEquityUnitPricePerShare	50.00
CY2011	wtfc	Stock Issued During Period Value Noncash Acquisitions StockIssuedDuringPeriodValueNoncashAcquisitions	27091000	USD
CY2010	wtfc	Stock Issued During Period Value Noncash Acquisitions StockIssuedDuringPeriodValueNoncashAcquisitions	0	USD
CY2012	wtfc	Stock Issued During Period Value Noncash Acquisitions StockIssuedDuringPeriodValueNoncashAcquisitions	14560000	USD
CY2011	wtfc	Stock Issued During Period Value Stock Options And Warrants Exercised StockIssuedDuringPeriodValueStockOptionsAndWarrantsExercised	1590000	USD
CY2012	wtfc	Stock Issued During Period Value Stock Options And Warrants Exercised StockIssuedDuringPeriodValueStockOptionsAndWarrantsExercised	5690000	USD
CY2010	wtfc	Stock Issued During Period Value Stock Options And Warrants Exercised StockIssuedDuringPeriodValueStockOptionsAndWarrantsExercised	3295000	USD
CY2011	wtfc	Weighted Average Stated Interest Rate Basis Points WeightedAverageStatedInterestRateBasisPoints	0.0192
CY2012	wtfc	Weighted Average Stated Interest Rate Basis Points WeightedAverageStatedInterestRateBasisPoints	0.0157
CY2010	wtfc	Weighted Average Stated Interest Rate Basis Points WeightedAverageStatedInterestRateBasisPoints	0.0181
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-12-31
CY2012	wtfc	Tax Expense Benefits Related To Exercise Of Certain Stock Options And Vesting And Issuance Of Shares Pursuant To Stock Incentive Plans TaxExpenseBenefitsRelatedToExerciseOfCertainStockOptionsAndVestingAndIssuanceOfSharesPursuantToStockIncentivePlans	1700000	USD
CY2010	wtfc	Tax Expense Benefits Related To Exercise Of Certain Stock Options And Vesting And Issuance Of Shares Pursuant To Stock Incentive Plans TaxExpenseBenefitsRelatedToExerciseOfCertainStockOptionsAndVestingAndIssuanceOfSharesPursuantToStockIncentivePlans	895000	USD
CY2011	wtfc	Tax Expense Benefits Related To Exercise Of Certain Stock Options And Vesting And Issuance Of Shares Pursuant To Stock Incentive Plans TaxExpenseBenefitsRelatedToExerciseOfCertainStockOptionsAndVestingAndIssuanceOfSharesPursuantToStockIncentivePlans	129000	USD
CY2012Q4	wtfc	Tier One Capital Required For Capital Adequacy To Risk Weighted Assets TierOneCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.04
CY2011Q4	wtfc	Time Deposits Percentage TimeDepositsPercentage	0.40
CY2012Q4	wtfc	Time Deposits Percentage TimeDepositsPercentage	0.34
CY2011Q4	wtfc	Trade Date Securities Receivable TradeDateSecuritiesReceivable	634047000	USD
CY2012Q4	wtfc	Trade Date Securities Receivable TradeDateSecuritiesReceivable	0	USD
CY2012Q4	wtfc	Trust Preferred Securities Proportion To Junior Subordinated Debentures TrustPreferredSecuritiesProportionToJuniorSubordinatedDebentures	0.97
CY2011Q4	wtfc	Unpaid Principal Balance Of Mortgage Loans Serviced For Others UnpaidPrincipalBalanceOfMortgageLoansServicedForOthers	958749000	USD
CY2012Q4	wtfc	Unpaid Principal Balance Of Mortgage Loans Serviced For Others UnpaidPrincipalBalanceOfMortgageLoansServicedForOthers	1005372000	USD
CY2010Q4	wtfc	Unpaid Principal Balance Of Mortgage Loans Serviced For Others UnpaidPrincipalBalanceOfMortgageLoansServicedForOthers	942224000	USD
CY2010	wtfc	Value Ascribed To Goodwill And Other Intangible Assets ValueAscribedToGoodwillAndOtherIntangibleAssets	1590000	USD
CY2012	wtfc	Value Ascribed To Goodwill And Other Intangible Assets ValueAscribedToGoodwillAndOtherIntangibleAssets	42588000	USD
CY2011	wtfc	Value Ascribed To Goodwill And Other Intangible Assets ValueAscribedToGoodwillAndOtherIntangibleAssets	37198000	USD
CY2008Q4	wtfc	Warrant Termination Period WarrantTerminationPeriod	P10Y
CY2012Q1	wtfc	Warrants Exercised WarrantsExercised	18000	shares
CY2012	wtfc	Warrants Holders Common Stock Purchase Price Per Share WarrantsHoldersCommonStockPurchasePricePerShare	30.50
CY2011Q4	wtfc	Wealth Management Deposits WealthManagementDeposits	788311000	USD
CY2012Q4	wtfc	Wealth Management Deposits WealthManagementDeposits	991902000	USD
CY2011Q4	wtfc	Wealth Management Deposits Percentage WealthManagementDepositsPercentage	0.06
CY2012Q4	wtfc	Wealth Management Deposits Percentage WealthManagementDepositsPercentage	0.07
CY2012	dei	Document Type DocumentType	10-K
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0001015328
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	36983610	shares
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q2	dei	Entity Public Float EntityPublicFloat	1264465519	USD
CY2012	dei	Entity Registrant Name EntityRegistrantName	WINTRUST FINANCIAL CORP
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2008Q4	invest	Investment Warrants Exercise Price InvestmentWarrantsExercisePrice	22.82

Files In Submission

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$WTFC
WINTRUST FINANCIAL CORP Stock $wtfc

2012 Form 10-K Financial Statement

#000101532813000073 Filed on February 28, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WTFC WINTRUST FINANCIAL CORP Stock $wtfc

2012 Form 10-K Financial Statement

#000101532813000073 Filed on February 28, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WTFC
WINTRUST FINANCIAL CORP Stock $wtfc