$ASB
ASSOCIATED BANC-CORP Stock $asb

$asb Overview Financials Valuation SEC Filings Company Website

2012 Q4 Form 10-Q Financial Statement

#000119312512451803 Filed on November 05, 2012

Income Statement

Concept	2012 Q4	2012 Q3	2011 Q3
Revenue		$236.6M	$222.2M
YoY Change		6.5%	-8.03%
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	$18.90M	$17.50M	$15.20M
YoY Change	-0.53%	15.13%	5.56%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$23.05M	$31.94M
YoY Change		-27.81%	-24.52%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$60.00M	$66.89M	$58.68M
YoY Change	20.0%	13.99%	285.49%
Income Tax	$13.40M	$20.49M	$17.34M
% Of Pretax Income	22.33%	30.64%	29.55%
Net Earnings	$46.60M	$46.40M	$41.34M
YoY Change	13.38%	12.23%	189.0%
Net Earnings / Revenue		19.61%	18.61%
Basic Earnings Per Share		$0.26	$0.20
Diluted Earnings Per Share	$272.7K	$0.26	$0.20
COMMON SHARES
Basic Shares Outstanding	171.7M shares	171.7M shares	173.4M shares
Diluted Shares Outstanding		171.8M shares	173.4M shares

Balance Sheet

Concept	2012 Q4	2012 Q3	2011 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$737.9M	$953.3M	$665.5M
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	$254.0M	$238.8M	$208.3M
YoY Change	13.51%	14.62%	15.08%
Goodwill	$929.2M	$929.2M	$929.2M
YoY Change	0.0%	0.0%
Intangibles	$61.18M	$61.29M	$67.97M
YoY Change	-9.47%	-9.82%
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	$23.49B	$22.74B	$21.90B
YoY Change	7.13%	3.82%	-2.76%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$193.0M	$196.0M	$176.0M
YoY Change	-1.53%	11.36%	-34.08%
Deferred Revenue
YoY Change
Short-Term Debt	$2.327B	$1.753B	$2.532B
YoY Change	-7.46%	-30.75%	369.72%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$193.0M	$196.0M	$176.0M
YoY Change	-1.53%	11.36%	-34.08%
LONG-TERM LIABILITIES
Long-Term Debt	$615.0M	$805.0M	$1.477B
YoY Change	-9.16%	-45.5%	-13.83%
Other Long-Term Liabilities	$76.00M	$83.00M	$84.00M
YoY Change	-5.0%	-1.19%
Total Long-Term Liabilities	$691.0M	$888.0M	$1.561B
YoY Change	-8.72%	-43.11%	-8.93%
TOTAL LIABILITIES
Total Short-Term Liabilities	$193.0M	$196.0M	$176.0M
Total Long-Term Liabilities	$691.0M	$888.0M	$1.561B
Total Liabilities	$20.55B	$19.79B	$19.05B
YoY Change	7.83%	3.86%	-1.41%
SHAREHOLDERS EQUITY
Retained Earnings	$1.282B	$1.250B	$1.111B
YoY Change	11.58%	12.52%
Common Stock	$1.604B	$1.601B	$1.587B
YoY Change	0.99%	0.87%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$61.17M	$31.13M
YoY Change
Treasury Stock Shares	4.773B shares	2.414B shares
Shareholders Equity	$2.936B	$2.950B	$2.851B
YoY Change
Total Liabilities & Shareholders Equity	$23.49B	$22.74B	$21.90B
YoY Change	7.13%	3.82%	-2.76%

Cashflow Statement

Concept	2012 Q4	2012 Q3	2011 Q3
OPERATING ACTIVITIES
Net Income	$46.60M	$46.40M	$41.34M
YoY Change	13.38%	12.23%	189.0%
Depreciation, Depletion And Amortization	$18.90M	$17.50M	$15.20M
YoY Change	-0.53%	15.13%	5.56%
Cash From Operating Activities	$32.50M	$82.20M	-$30.30M
YoY Change	-51.56%	-371.29%	-128.94%
INVESTING ACTIVITIES
Capital Expenditures	-$25.10M	-$25.80M	-$26.30M
YoY Change	-8.06%	-1.9%	246.05%
Acquisitions
YoY Change
Other Investing Activities	-$955.0M	-$290.0M	-$154.5M
YoY Change	1146.74%	87.7%	-190.88%
Cash From Investing Activities	-$980.2M	-$315.7M	-$180.8M
YoY Change	844.32%	74.61%	-211.33%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	732.2M	588.2M	-218.1M
YoY Change	-6151.24%	-369.69%	-21.49%
NET CHANGE
Cash From Operating Activities	32.50M	82.20M	-30.30M
Cash From Investing Activities	-980.2M	-315.7M	-180.8M
Cash From Financing Activities	732.2M	588.2M	-218.1M
Net Change In Cash	-215.5M	354.7M	-429.2M
YoY Change	341.6%	-182.64%	3911.21%
FREE CASH FLOW
Cash From Operating Activities	$32.50M	$82.20M	-$30.30M
Capital Expenditures	-$25.10M	-$25.80M	-$26.30M
Free Cash Flow	$57.60M	$108.0M	-$4.000M
YoY Change	-38.98%	-2800.0%	-103.56%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
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	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	4109000	USD
CY2012Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	95231000	USD
CY2012Q3	us-gaap	Occupancy Net OccupancyNet	14334000	USD
CY2012Q3	us-gaap	Equipment Expense EquipmentExpense	5935000	USD
CY2012Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	11022000	USD
CY2012Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1048000	USD
CY2011Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	5539000	USD
	dei	Entity Registrant Name EntityRegistrantName	ASSOCIATED BANC-CORP
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2012-09-30
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CY2012Q2	dei	Entity Public Float EntityPublicFloat	2235635000	USD
	dei	Amendment Flag AmendmentFlag	false
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	dei	Entity Central Index Key EntityCentralIndexKey	0000007789
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CY2012Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	14966214000	USD
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	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	-802000	USD
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CY2012Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	9751000	USD
CY2011Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	15644000	USD
CY2011Q3	us-gaap	Occupancy Net OccupancyNet	14205000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	16134000	USD
CY2012Q3	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	4071000	USD
CY2012Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	171650000	shares
CY2012Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	171780000	shares
CY2011Q3	asbc	Loanexpense Loanexpense	2600000	USD
CY2011Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	34034000	USD
CY2011Q3	asbc	Legal And Professional Fees LegalAndProfessionalFees	4289000	USD
CY2011Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	7305000	USD
CY2011Q3	asbc	Losses Other Than Loans LossesOtherThanLoans	1659000	USD
CY2011Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	6906000	USD
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
CY2011Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	173418000	shares
CY2011Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	173418000	shares
	asbc	Losses Other Than Loans LossesOtherThanLoans	9187000	USD
	us-gaap	Noninterest Expense NoninterestExpense	505495000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	11776000	USD
	asbc	Loanexpense Loanexpense	9155000	USD
	us-gaap	Net Income Loss NetIncomeLoss	132345000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	62082000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	194427000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	3900000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	14665000	USD
	asbc	Legal And Professional Fees LegalAndProfessionalFees	23058000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	42784000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	128445000	USD
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.74
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	172774000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	172848000	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.74
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	22348000	USD
	us-gaap	Net Income Loss NetIncomeLoss	98574000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	133397000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	23530000	USD
	asbc	Legal And Professional Fees LegalAndProfessionalFees	13554000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	75044000	USD
	asbc	Losses Other Than Loans LossesOtherThanLoans	6031000	USD
	us-gaap	Noninterest Expense NoninterestExpense	478196000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	16224000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	41868000	USD
	asbc	Loanexpense Loanexpense	8539000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34823000	USD
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.43
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.43
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-45400000	USD
CY2012Q3	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	3398344000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	173321000	shares
	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	5336000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-7191000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-10441000	USD
	asbc	Capital Market Fees Net CapitalMarketFeesNet	9998000	USD
	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	11965000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	3479000	USD
CY2012Q3	asbc	Other Comprehensive Income Loss Available For Sale Securities Inclusive Of Other Than Temporary Impairment Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesInclusiveOfOtherThanTemporaryImpairmentTax	-11000	USD
CY2012Q3	asbc	Other Comprehensive Income Loss Available For Sale Securities Adjustment Inclusive Of Other Than Temporary Impairment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentInclusiveOfOtherThanTemporaryImpairmentNetOfTax	-16000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	640000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-427000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	20000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	203000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	313000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	724000	USD
CY2012Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	47119000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	14144000	USD
CY2011Q3	asbc	Other Comprehensive Income Loss Available For Sale Securities Inclusive Of Other Than Temporary Impairment Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesInclusiveOfOtherThanTemporaryImpairmentTax	5772000	USD
CY2011Q3	asbc	Other Comprehensive Income Loss Available For Sale Securities Adjustment Inclusive Of Other Than Temporary Impairment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentInclusiveOfOtherThanTemporaryImpairmentNetOfTax	9116000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	451000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-220000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-347000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-154000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	348000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	505000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9968000	USD
CY2011Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	51307000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	2870000	USD
	asbc	Other Comprehensive Income Loss Available For Sale Securities Inclusive Of Other Than Temporary Impairment Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesInclusiveOfOtherThanTemporaryImpairmentTax	-483000	USD
	asbc	Other Comprehensive Income Loss Available For Sale Securities Adjustment Inclusive Of Other Than Temporary Impairment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentInclusiveOfOtherThanTemporaryImpairmentNetOfTax	-756000	USD
CY2012Q3	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	815000	USD
CY2012Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	750000	USD
CY2011Q3	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	1229000	USD
CY2011Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	1810000	USD
	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	3068000	USD
CY2012Q3	asbc	Card Based And Other Nondeposit Fees CardBasedAndOtherNondepositFees	12209000	USD
CY2012Q3	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	17290000	USD
CY2012Q3	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	10396000	USD
CY2012Q3	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	11650000	USD
CY2012Q3	us-gaap	Interest Expense InterestExpense	23054000	USD
CY2012Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	155602000	USD
CY2012Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	155602000	USD
CY2012Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2011Q3	asbc	Card Based And Other Nondeposit Fees CardBasedAndOtherNondepositFees	15291000	USD
CY2011Q3	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	19949000	USD
CY2011Q3	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	9791000	USD
CY2011Q3	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	11020000	USD
CY2011Q3	us-gaap	Interest Expense InterestExpense	31935000	USD
CY2011Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	149160000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	464537000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
	asbc	Card Based And Other Nondeposit Fees CardBasedAndOtherNondepositFees	46636000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	58125000	USD
	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	29634000	USD
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	34338000	USD
	us-gaap	Interest Expense InterestExpense	99334000	USD
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	38285000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	410006000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	461006000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	51000000	USD
CY2012Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3290000	USD
CY2012Q3	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	15581000	USD
CY2012Q3	asbc	Other Comprehensive Income Noncredit Portion Recognized During Period Before Tax OtherComprehensiveIncomeNoncreditPortionRecognizedDuringPeriodBeforeTax	59000	USD
CY2012Q3	asbc	Capital Market Fees Net CapitalMarketFeesNet	3609000	USD
CY2012Q3	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	3506000	USD
CY2011Q3	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	1000	USD
CY2011Q3	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	4521000	USD
CY2011Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3990000	USD
CY2011Q3	us-gaap	Impairment Of Investments ImpairmentOfInvestments	1611000	USD
CY2011Q3	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	-3859000	USD
CY2011Q3	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	4027000	USD
CY2011Q3	asbc	Capital Market Fees Net CapitalMarketFeesNet	3273000	USD
	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	49970000	USD
	asbc	Other Comprehensive Income Noncredit Portion Recognized During Period Before Tax OtherComprehensiveIncomeNoncreditPortionRecognizedDuringPeriodBeforeTax	59000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	10746000	USD
	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	-11887000	USD
	asbc	Capital Market Fees Net CapitalMarketFeesNet	4761000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	11076000	USD
	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	13565000	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	1656000	USD
	asbc	Other Comprehensive Income Noncredit Portion Recognized During Period Before Tax OtherComprehensiveIncomeNoncreditPortionRecognizedDuringPeriodBeforeTax	866000	USD
	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	3046000	USD
	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	-12000	USD
CY2011Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	58676000	USD
CY2011Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17337000	USD
CY2011Q3	us-gaap	Net Income Loss NetIncomeLoss	41339000	USD
CY2011Q3	us-gaap	Undistributed Earnings UndistributedEarnings	32289000	USD
CY2011Q3	asbc	Common Shareholders Earnings Basic CommonShareholdersEarningsBasic	33821000	USD
	asbc	Undistributedearningsallocatedtocommonshareholders Undistributedearningsallocatedtocommonshareholders	69382000	USD
	asbc	Undistributed Earnings Allocated To Unvested Share Based Payment Awards UndistributedEarningsAllocatedToUnvestedShareBasedPaymentAwards	431000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1281000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	6000	USD
CY2011Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	4000000	USD
CY2011Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	153160000	USD
	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	-10400000	USD
CY2011Q3	us-gaap	Noninterest Expense NoninterestExpense	159480000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	784000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	1176000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1701000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	134046000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	94907000	USD
	asbc	Other Comprehensive Income Loss Available For Sale Securities Inclusive Of Other Than Temporary Impairment Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesInclusiveOfOtherThanTemporaryImpairmentTax	37119000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	1354000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1042000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-528000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	1386000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	2055000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	61687000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	160261000	USD
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	3158791000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	147000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	26009000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	3900000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	11921000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	3349000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	640000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	5231000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	12918000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	525000000	USD
	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	0	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8724000	USD
	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	11000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	242662000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	1151440000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	-3506000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	-60000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-273000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	496000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	744000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	-116000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	1007000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	-4109000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	-180000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	1920000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-819000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	1954000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	802000	USD
	asbc	Other Comprehensive Income Loss Available For Sale Securities Adjustment Inclusive Of Other Than Temporary Impairment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentInclusiveOfOtherThanTemporaryImpairmentNetOfTax	58590000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	-349000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-661000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	3969000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	31552000	USD
CY2011Q3	us-gaap	Stockholders Equity StockholdersEquity	2850619000	USD
	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	5000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	63272000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	24220000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-46186000	USD
	us-gaap	Tax Benefit From Stock Options Exercised1 TaxBenefitFromStockOptionsExercised1	5000	USD
	us-gaap	Tax Benefit From Stock Options Exercised1 TaxBenefitFromStockOptionsExercised1	11000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	46655000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	15141000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	1011423000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	2137051000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	960423000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-3336000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-2865000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-11446000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-52055000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	317978000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	1094612000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	1175405000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	533674000	USD
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	58865000	USD
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	49312000	USD
	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	3846000	USD
	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	2545000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	296403000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	17916000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1286345000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1216224000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-653539000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-368659000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1479782000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-442983000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-761200000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	784394000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	25979000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	370091000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	154738000	USD
CY2012Q3	asbc	Common Shareholders Earnings Basic CommonShareholdersEarningsBasic	44905000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	26009000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	5231000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	432504000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	102436000	USD
	asbc	Common Shareholders Earnings Basic CommonShareholdersEarningsBasic	127868000	USD
CY2012Q3	asbc	Undistributedearningsallocatedtocommonshareholders Undistributedearningsallocatedtocommonshareholders	36311000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	3900000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	12918000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	31552000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	640000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	672258000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-76693000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	336697000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-202690000	USD
	us-gaap	Interest Paid Net InterestPaidNet	84699000	USD
	us-gaap	Interest Paid Net InterestPaidNet	106302000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-32050000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	17517000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	37168000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	29957000	USD
	us-gaap	Origination Of Mortgage Servicing Rights Ms Rs OriginationOfMortgageServicingRightsMSRs	18669000	USD
	us-gaap	Origination Of Mortgage Servicing Rights Ms Rs OriginationOfMortgageServicingRightsMSRs	9807000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	2016963000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	0	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	0	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	616595000	USD
CY2012Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	953292000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	868162000	USD
CY2011Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	665472000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	28366000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	38160000	USD
	asbc	Change In Deposits Due To Branch Acquisition Or Sale ChangeInDepositsDueToBranchAcquisitionOrSale	-113622000	USD
	asbc	Change In Deposits Due To Branch Acquisition Or Sale ChangeInDepositsDueToBranchAcquisitionOrSale	0	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	124903000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	39184000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	31737000	USD
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	4477000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	17326000	USD
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	8966000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	17380000	USD
CY2012Q3	us-gaap	Dividends Common Stock DividendsCommonStock	8594000	USD
CY2012Q3	asbc	Unvested Share Based Payment Awards UnvestedShareBasedPaymentAwards	36000	USD
CY2012Q3	us-gaap	Undistributed Earnings UndistributedEarnings	36465000	USD
CY2012Q3	asbc	Undistributed Earnings Basic UndistributedEarningsBasic	36311000	USD
CY2012Q3	asbc	Distributed Earnings To Common Shareholders Diluted DistributedEarningsToCommonShareholdersDiluted	-8594000	USD
CY2012Q3	asbc	Undistributed Earnings To Common Shareholders Diluted UndistributedEarningsToCommonShareholdersDiluted	36311000	USD
CY2012Q3	asbc	Common Shareholders Earnings Diluted CommonShareholdersEarningsDiluted	44905000	USD
CY2012Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	130000	shares
CY2011Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2011Q3	asbc	Undistributed Earnings Basic UndistributedEarningsBasic	32087000	USD
CY2011Q3	us-gaap	Dividends Common Stock DividendsCommonStock	1734000	USD
CY2011Q3	asbc	Undistributed Earnings To Common Shareholders Diluted UndistributedEarningsToCommonShareholdersDiluted	32087000	USD
	asbc	Distributed Earnings To Common Shareholders Diluted DistributedEarningsToCommonShareholdersDiluted	-5200000	USD
	asbc	Undistributed Earnings To Common Shareholders Diluted UndistributedEarningsToCommonShareholdersDiluted	69382000	USD
	asbc	Common Shareholders Earnings Diluted CommonShareholdersEarningsDiluted	74582000	USD
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2000	shares
CY2012Q3	asbc	Undistributed Earnings Allocated To Unvested Share Based Payment Awards UndistributedEarningsAllocatedToUnvestedShareBasedPaymentAwards	154000	USD
CY2011Q3	asbc	Undistributedearningsallocatedtocommonshareholders Undistributedearningsallocatedtocommonshareholders	32087000	USD
	asbc	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Per Share Fair Value Of Stock Options ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPerShareFairValueOfStockOptions	5.05
CY2011	asbc	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Per Share Fair Value Of Stock Options ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPerShareFairValueOfStockOptions	5.56
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.02	pure
CY2011Q3	asbc	Distributed Earnings To Common Shareholders Diluted DistributedEarningsToCommonShareholdersDiluted	-1734000	USD
CY2011Q3	asbc	Unvested Share Based Payment Awards UnvestedShareBasedPaymentAwards	11000	USD
CY2011Q3	asbc	Distributed Earnings To Common Shareholders Basic DistributedEarningsToCommonShareholdersBasic	-1734000	USD
CY2011Q3	asbc	Common Shareholders Earnings Diluted CommonShareholdersEarningsDiluted	33821000	USD
	asbc	Common Shareholders Earnings Diluted CommonShareholdersEarningsDiluted	127868000	USD
	asbc	Undistributed Earnings Basic UndistributedEarningsBasic	101975000	USD
	asbc	Distributed Earnings To Common Shareholders Basic DistributedEarningsToCommonShareholdersBasic	-25893000	USD
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	74000	shares
	us-gaap	Dividends Common Stock DividendsCommonStock	25893000	USD
	asbc	Unvested Share Based Payment Awards UnvestedShareBasedPaymentAwards	116000	USD
	asbc	Distributed Earnings To Common Shareholders Diluted DistributedEarningsToCommonShareholdersDiluted	-25893000	USD
	asbc	Undistributed Earnings To Common Shareholders Diluted UndistributedEarningsToCommonShareholdersDiluted	101975000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	5200000	USD
	asbc	Unvested Share Based Payment Awards UnvestedShareBasedPaymentAwards	31000	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	69813000	USD
	asbc	Distributed Earnings To Common Shareholders Basic DistributedEarningsToCommonShareholdersBasic	-5200000	USD
	asbc	Undistributed Earnings Basic UndistributedEarningsBasic	69382000	USD
	asbc	Common Shareholders Earnings Basic CommonShareholdersEarningsBasic	74582000	USD
CY2011Q3	asbc	Undistributed Earnings Allocated To Unvested Share Based Payment Awards UndistributedEarningsAllocatedToUnvestedShareBasedPaymentAwards	202000	USD
	asbc	Undistributedearningsallocatedtocommonshareholders Undistributedearningsallocatedtocommonshareholders	101975000	USD
	asbc	Undistributed Earnings Allocated To Unvested Share Based Payment Awards UndistributedEarningsAllocatedToUnvestedShareBasedPaymentAwards	461000	USD
CY2012Q3	asbc	Undistributed Earnings Allocations UndistributedEarningsAllocations	36465000	USD
CY2011Q3	asbc	Undistributed Earnings Allocations UndistributedEarningsAllocations	32289000	USD
	asbc	Undistributed Earnings Allocations UndistributedEarningsAllocations	102436000	USD
	asbc	Undistributed Earnings Allocations UndistributedEarningsAllocations	69813000	USD
CY2012Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	9000000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6000000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7000000	shares
CY2011Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7000000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0120	pure
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.4911	pure
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.4724	pure
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.02	pure
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0227	pure
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7301458	shares
CY2011	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	-23437	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	-1847116	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7055274	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4623935	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	3025269	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	-11120	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	-1156987	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8912436	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4818426	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	26.10
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	12.98
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.16
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	21.04
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	19.06
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	23.98
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	27000	USD
CY2011Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	7000	USD
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	817000	USD
CY2012Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	56000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	1624369	shares
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	14.20
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.33
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.66
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	24.51
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y5M
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y5M
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y7M
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodFairValue	5000000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodFairValue	4000000	USD
	asbc	Number Of Highly Compensated Employees To Be Vested In Future NumberOfHighlyCompensatedEmployeesToBeVestedInFuture	20	pure
CY2011	asbc	Average Cost Per Share Salary Share AverageCostPerShareSalaryShare	12.41	USD
	asbc	Average Cost Per Share Salary Share AverageCostPerShareSalaryShare	12.99	USD
CY2012Q3	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	147170000	USD
CY2012Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	240348000	USD
CY2012Q3	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	161511000	USD
CY2012Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	4335354000	USD
CY2012Q3	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	667000	USD
CY2012Q3	us-gaap	Heldtomaturity Securities Unrecognized Holding Gain HeldtomaturitySecuritiesUnrecognizedHoldingGain	36000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Unrecognized Holding Loss HeldToMaturitySecuritiesUnrecognizedHoldingLoss	165000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	21723000	USD
CY2011Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	4775400000	USD
CY2011Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	165746000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	3663000	USD
CY2012Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	45629000	USD
CY2012Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	231892000	USD
CY2012Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	534809000	USD
CY2012Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	69513000	USD
CY2012Q3	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	881843000	USD
CY2012Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	46380000	USD
CY2012Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	571046000	USD
CY2012Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	73133000	USD
CY2012Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	930907000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	0	USD
CY2012Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	0	USD
CY2012Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	5785000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	16067000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Debt Maturities Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount	21852000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
CY2012Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	USD
CY2012Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	5771000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	15952000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Debt Maturities Fair Value HeldToMaturitySecuritiesDebtMaturitiesFairValue	21723000	USD
CY2012Q3	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	-512000	USD
CY2012Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	128384000	USD
CY2012Q3	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	-155000	USD
CY2012Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	2607000	USD
CY2012Q3	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	-6868000	USD
CY2012Q3	asbc	Cash Received From Insurance Company For Settlement Agreement Of Lawsuit CashReceivedFromInsuranceCompanyForSettlementAgreementOfLawsuit	2500000	USD
CY2012Q3	asbc	Cash Received From Insurance Company For Defense Costs Of Lawsuit CashReceivedFromInsuranceCompanyForDefenseCostsOfLawsuit	1500000	USD
CY2012Q3	us-gaap	Loans And Leases Receivable Consumer Mortgage LoansAndLeasesReceivableConsumerMortgage	3204828000	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	21525000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	-2133000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	237411000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	-1530000	USD
CY2010Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	-27575000	USD
CY2012Q3	us-gaap	Loans And Leases Receivable Commercial LoansAndLeasesReceivableCommercial	8922035000	USD
CY2012Q3	asbc	Loans And Leases Receivable Home Equity LoansAndLeasesReceivableHomeEquity	2356900000	USD
CY2012Q3	us-gaap	Loans And Leases Receivable Consumer Installment And Revolving LoansAndLeasesReceivableConsumerInstallmentAndRevolving	482451000	USD
CY2012Q3	asbc	Loans And Leases Receivable Retail LoansAndLeasesReceivableRetail	2839351000	USD
CY2012Q3	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2	-667000	USD
CY2012Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	130991000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	-165000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	15253000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Aggregate Losses HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAggregateLosses	-165000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	15253000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	0	USD
CY2012Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2011	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	-818000	USD
CY2011Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	-28393000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	176979000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	414390000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2	-3663000	USD
CY2012Q3	asbc	Change In Federal Home Loan Bank Stock ChangeInFederalHomeLoanBankStock	-25000000	USD
CY2012Q3	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	70000000	USD
CY2011Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	70000000	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	121000000	USD
CY2012Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	96000000	USD
CY2012Q3	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	4265356000	USD
CY2012Q3	us-gaap	Loans Receivable Commercial Construction LoansReceivableCommercialConstruction	611186000	USD
CY2012Q3	us-gaap	Leases Receivable Commercial Lease Financing LeasesReceivableCommercialLeaseFinancing	60818000	USD
CY2012Q3	us-gaap	Loans And Leases Receivable Consumer LoansAndLeasesReceivableConsumer	6044179000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Consumer Mortgage LoansAndLeasesReceivableConsumerMortgage	2951013000	USD
CY2011Q4	us-gaap	Loans Receivable Commercial Construction LoansReceivableCommercialConstruction	584046000	USD
CY2011Q4	asbc	Loans And Leases Receivable Retail LoansAndLeasesReceivableRetail	3062486000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Commercial LoansAndLeasesReceivableCommercial	8017572000	USD
CY2011Q4	us-gaap	Leases Receivable Commercial Lease Financing LeasesReceivableCommercialLeaseFinancing	58194000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Consumer Installment And Revolving LoansAndLeasesReceivableConsumerInstallmentAndRevolving	557782000	USD
CY2011Q4	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	3724736000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Consumer LoansAndLeasesReceivableConsumer	6013499000	USD
CY2011Q3	us-gaap	Real Estate Write Down Or Reserve Amount RealEstateWriteDownOrReserveAmount	7000000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	46612000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment60 To89 Days Past Due FinancingReceivableRecordedInvestment60To89DaysPastDue	29844000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	175181000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	251637000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	13779434000	USD
	asbc	Interest Income Recognized On Accruing Restructured Loans InterestIncomeRecognizedOnAccruingRestructuredLoans	5000000	USD
CY2011Q4	asbc	Loans And Leases Receivable Home Equity LoansAndLeasesReceivableHomeEquity	2504704000	USD
CY2012Q3	asbc	Loansreceivablecommercialrealestateowneroccupied Loansreceivablecommercialrealestateowneroccupied	1197517000	USD
CY2011Q4	asbc	Loansreceivablecommercialrealestateowneroccupied Loansreceivablecommercialrealestateowneroccupied	1086829000	USD
CY2011Q4	asbc	Loansreceivablecommercialandbusinesslending Loansreceivablecommercialandbusinesslending	4869759000	USD
CY2011Q4	asbc	Loansreceivablecommercialrealestateinvestor Loansreceivablecommercialrealestateinvestor	2563767000	USD
CY2011Q4	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	3147813000	USD
CY2012Q3	asbc	Loansreceivablecommercialandbusinesslending Loansreceivablecommercialandbusinesslending	5523691000	USD
CY2012Q3	asbc	Loansreceivablecommercialrealestateinvestor Loansreceivablecommercialrealestateinvestor	2787158000	USD
	us-gaap	Allowance For Loan And Lease Losses Provision For Loss Gross AllowanceForLoanAndLeaseLossesProvisionForLossGross	0	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	-86629000	USD
	us-gaap	Allowance For Loan And Lease Losses Recoveries Of Bad Debts AllowanceForLoanAndLeaseLossesRecoveriesOfBadDebts	23628000	USD
	asbc	Allowance For Loan And Lease Losses Net Charge Offs AllowanceForLoanAndLeaseLossesNetChargeOffs	-63001000	USD
CY2011	asbc	Allowance For Loan And Lease Losses Net Charge Offs AllowanceForLoanAndLeaseLossesNetChargeOffs	-150662000	USD
CY2011	us-gaap	Allowance For Loan And Lease Losses Provision For Loss Gross AllowanceForLoanAndLeaseLossesProvisionForLossGross	52000000	USD
CY2011	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	-189732000	USD
CY2011	us-gaap	Allowance For Loan And Lease Losses Recoveries Of Bad Debts AllowanceForLoanAndLeaseLossesRecoveriesOfBadDebts	39070000	USD
CY2010Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	476813000	USD
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	22541000	USD
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	63280000	USD
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	229329000	USD
CY2012Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	151927000	USD
CY2012Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	262036000	USD
CY2012Q3	us-gaap	Notes Receivable Net NotesReceivableNet	14552251000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	36809000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	67970000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	273372000	USD
CY2011Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	215478000	USD
CY2011Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	254458000	USD
CY2011Q4	us-gaap	Notes Receivable Net NotesReceivableNet	13561135000	USD
CY2012Q3	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	40999000	USD
CY2012Q3	us-gaap	Financing Receivable Recorded Investment60 To89 Days Past Due FinancingReceivableRecordedInvestment60To89DaysPastDue	27864000	USD
CY2012Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	216033000	USD
CY2012Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	14750181000	USD
CY2012Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	413963000	USD
CY2012Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	85821000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	429051000	USD
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CY2011	asbc	Interest Income Recognized On Accruing Restructured Loans InterestIncomeRecognizedOnAccruingRestructuredLoans	6000000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	469936000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	573912000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	104779000	USD
CY2011	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	522649000	USD
CY2011	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	13414000	USD
CY2012Q3	asbc	Restructured Loans Subsequently Accruing RestructuredLoansSubsequentlyAccruing	25000000	USD
CY2012Q3	asbc	Ytd Restructured Loans Still On Nonaccrual YtdRestructuredLoansStillOnNonaccrual	21000000	USD
CY2011Q4	asbc	Performing Restructured Loans PerformingRestructuredLoans	113164000	USD
CY2011Q4	asbc	Nonaccrual Restructured Loans NonaccrualRestructuredLoans	87493000	USD
CY2012Q3	asbc	Nonaccrual Restructured Loans NonaccrualRestructuredLoans	74251000	USD
CY2012Q3	asbc	Performing Restructured Loans PerformingRestructuredLoans	135791000	USD
CY2012Q3	asbc	Financing Receivable Modification Number Of Contracts FinancingReceivableModificationNumberOfContracts	59	pure
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CY2012Q3	asbc	Financing Receivable Modification Recorded Investment FinancingReceivableModificationRecordedInvestment	14842000	USD
CY2012Q3	asbc	Financing Receivable Modification Pre Modification Recorded Investment1 FinancingReceivableModificationPreModificationRecordedInvestment1	15654000	USD
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CY2012Q3	asbc	Financing Receivable Subsequent Default Number Of Contracts FinancingReceivableSubsequentDefaultNumberOfContracts	29	pure
CY2012Q3	asbc	Financing Receivable Subsequent Default Recorded Investment FinancingReceivableSubsequentDefaultRecordedInvestment	7967000	USD
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CY2012Q3	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	45018000	USD
CY2012Q3	asbc	Portfolio Of Residential Mortgage Loans Serviced For Others PortfolioOfResidentialMortgageLoansServicedForOthers	7547000000	USD
CY2012Q3	asbc	Mortgageservicingrightsexpense Mortgageservicingrightsexpense	21803000	USD
CY2010Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	84209000	USD
CY2011Q4	asbc	Portfolio Of Residential Mortgage Loans Serviced For Others PortfolioOfResidentialMortgageLoansServicedForOthers	7321000000	USD
CY2011Q4	asbc	Mortgageservicingrightsexpense Mortgageservicingrightsexpense	33233000	USD
CY2010Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	-20300000	USD
CY2011	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	17476000	USD
CY2011	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	-7403000	USD
CY2011	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	-25830000	USD
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CY2012Q3	asbc	Mortgage Servicing Rights Net To Servicing Portfolio MortgageServicingRightsNetToServicingPortfolio	0.0060	pure
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CY2011	us-gaap	Servicing Asset At Amortized Value Other Than Temporary Impairments ServicingAssetAtAmortizedValueOtherThanTemporaryImpairments	0	USD
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CY2011	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	0	USD
CY2011Q4	asbc	Servicing Asset At Amortized Value Net ServicingAssetAtAmortizedValueNet	48152000	USD
CY2012Q3	asbc	Servicing Asset At Amortized Value Net ServicingAssetAtAmortizedValueNet	45018000	USD
CY2012Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	62588000	USD
CY2011Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	75855000	USD
CY2012Q3	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	500387000	USD
CY2012Q3	us-gaap	Senior Notes SeniorNotes	585000000	USD
CY2012Q3	us-gaap	Subordinated Debt SubordinatedDebt	25821000	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	500476000	USD
CY2011Q4	us-gaap	Senior Notes SeniorNotes	430000000	USD
CY2011Q4	us-gaap	Subordinated Debt SubordinatedDebt	25821000	USD
CY2012Q3	us-gaap	Federal Funds Purchased FederalFundsPurchased	89020000	USD
CY2012Q3	us-gaap	Federal Home Loan Bank Advances Short Term FederalHomeLoanBankAdvancesShortTerm	600000000	USD
CY2012Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	1753285000	USD
CY2012Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	1049007000	USD
CY2011Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	2514485000	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Short Term FederalHomeLoanBankAdvancesShortTerm	1000000000	USD
CY2011Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	1359755000	USD
CY2011Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	154730000	USD
CY2011Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	3691556000	USD
CY2012Q3	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	3058707000	USD
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CY2011Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	211340000	USD
CY2012Q3	us-gaap	Other Long Term Debt OtherLongTermDebt	8647000	USD
CY2011Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	9434000	USD
CY2012Q3	us-gaap	Commercial Paper CommercialPaper	15258000	USD
CY2011Q4	us-gaap	Commercial Paper CommercialPaper	0	USD
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CY2012Q3	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Weighted Average Interest Rate FederalHomeLoanBankAdvancesBranchOfFHLBBankWeightedAverageInterestRate	0.0179	pure
CY2012Q3	us-gaap	Extinguishment Of Debt Amount ExtinguishmentOfDebtAmount	26000000	USD
CY2012Q3	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.01875	pure
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CY2011Q3	asbc	Derivative Maturity DerivativeMaturity	100000000	USD
CY2012Q3	asbc	Derivative Maturity DerivativeMaturity	100000000	USD
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CY2012Q3	asbc	Covered Call Options Outstanding CoveredCallOptionsOutstanding	0	USD
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CY2012Q3	asbc	Commitments Under Unconsolidated Projects CommitmentsUnderUnconsolidatedProjects	18000000	USD
CY2011Q4	asbc	Residential Mortgage Loans Sold With Recourse Risk ResidentialMortgageLoansSoldWithRecourseRisk	56000000	USD
CY2012Q3	asbc	Residential Mortgage Loans Sold With Credit Recourse Risk ResidentialMortgageLoansSoldWithCreditRecourseRisk	349000000	USD
CY2011Q4	asbc	Residential Mortgage Loans Sold With Credit Recourse Risk ResidentialMortgageLoansSoldWithCreditRecourseRisk	475000000	USD
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CY2012Q3	asbc	Liability For Reinsurance Losses LiabilityForReinsuranceLosses	9000000	USD
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CY2011Q4	asbc	Commitments Under Unconsolidated Projects CommitmentsUnderUnconsolidatedProjects	15000000	USD
CY2012Q3	asbc	Residential Mortgage Loans Sold With Recourse Risk ResidentialMortgageLoansSoldWithRecourseRisk	77000000	USD
CY2012Q3	us-gaap	Loss Contingency Related Receivable Carrying Value LossContingencyRelatedReceivableCarryingValue	2000000	USD
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CY2012Q3	us-gaap	Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Prepayment Speed AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed	0.244	pure
CY2012Q3	us-gaap	Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Discount Rate AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate	0.097	pure
CY2012Q3	asbc	Fair Value Inputs Closing Ratio FairValueInputsClosingRatio	0.77	pure
CY2012Q3	asbc	Other Real Estate Owned Fair Value Disclosure OtherRealEstateOwnedFairValueDisclosure	34000000	USD
CY2011Q4	asbc	Other Real Estate Owned Fair Value Disclosure OtherRealEstateOwnedFairValueDisclosure	54000000	USD
CY2012Q3	us-gaap	Real Estate Write Down Or Reserve Amount RealEstateWriteDownOrReserveAmount	8000000	USD
CY2011Q4	us-gaap	Real Estate Write Down Or Reserve Amount RealEstateWriteDownOrReserveAmount	9000000	USD
CY2012Q3	asbc	Loans Receivable Net Fair Value Disclosure LoansReceivableNetFairValueDisclosure	14379108000	USD
CY2012Q3	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	419529000	USD
CY2012Q3	asbc	Federal Home Loan Bank And Federal Reserve Bank Stocks Fair Value Disclosure FederalHomeLoanBankAndFederalReserveBankStocksFairValueDisclosure	166100000	USD
CY2012Q3	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	162818000	USD
CY2012Q3	us-gaap	Federal Funds Sold And Securities Borrowed Or Purchased Under Agreements To Resell Fair Value Disclosure FederalFundsSoldAndSecuritiesBorrowedOrPurchasedUnderAgreementsToResellFairValueDisclosure	2460000	USD
CY2012Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	4496198000	USD
CY2012Q3	asbc	Interest Bearing Deposits In Banks Fair Value Disclosure InterestBearingDepositsInBanksFairValueDisclosure	531303000	USD
CY2012Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	553348000	USD
CY2012Q3	asbc	Bank Owned Life Insurance Fair Value Disclosure BankOwnedLifeInsuranceFairValueDisclosure	553348000	USD
CY2012Q3	us-gaap	Interest Receivable InterestReceivable	65584000	USD
CY2012Q3	asbc	Accrued Interest Receivable Fair Value Disclosure AccruedInterestReceivableFairValueDisclosure	65584000	USD
CY2012Q3	asbc	Other Derivatives Not Designated As Hedging Instruments OtherDerivativesNotDesignatedAsHedgingInstruments	75065000	USD
CY2012Q3	us-gaap	Other Derivatives Not Designated As Hedging Instruments At Fair Value Net OtherDerivativesNotDesignatedAsHedgingInstrumentsAtFairValueNet	75065000	USD
CY2012Q3	us-gaap	Foreign Currency Contract Asset Fair Value Disclosure ForeignCurrencyContractAssetFairValueDisclosure	1094000	USD
CY2012Q3	asbc	Interest Rate Lock Commitments InterestRateLockCommitments	17566000	USD
CY2012Q3	asbc	Interest Rate Lock Commitments At Fair Value InterestRateLockCommitmentsAtFairValue	17566000	USD
CY2012Q3	asbc	Purchased Deposit Option PurchasedDepositOption	5032000	USD
CY2012Q3	asbc	Purchased Deposit Option At Fair Value PurchasedDepositOptionAtFairValue	5032000	USD
CY2012Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	4485000	USD
CY2012Q3	us-gaap	Accrued Liabilities Fair Value Disclosure AccruedLiabilitiesFairValueDisclosure	4485000	USD
CY2012Q3	asbc	Interest Rate Related Agreements InterestRateRelatedAgreements	81884000	USD
CY2012Q3	asbc	Interest Rate Related Agreements Fair Value Disclosure InterestRateRelatedAgreementsFairValueDisclosure	81884000	USD
CY2012Q3	asbc	Foreign Currency Contracts Liability ForeignCurrencyContractsLiability	977000	USD
CY2012Q3	us-gaap	Foreign Currency Contracts Liability Fair Value Disclosure ForeignCurrencyContractsLiabilityFairValueDisclosure	977000	USD
CY2012Q3	us-gaap	Line Of Credit LineOfCredit	3705000	USD
CY2012Q3	us-gaap	Lines Of Credit Fair Value Disclosure LinesOfCreditFairValueDisclosure	3705000	USD
CY2012Q3	asbc	Forward Commitments Fair Value Disclosure ForwardCommitmentsFairValueDisclosure	8167000	USD
CY2012Q3	asbc	Forward Commitments ForwardCommitments	8167000	USD
CY2012Q3	asbc	Written Deposit Option WrittenDepositOption	5032000	USD
CY2012Q3	asbc	Written Deposit Option At Fair Value WrittenDepositOptionAtFairValue	5032000	USD
CY2012Q3	asbc	Brokered Cds And Other Time Deposits BrokeredCdsAndOtherTimeDeposits	2100992000	USD
CY2012Q3	asbc	Brokered Cds And Other Time Deposits Fair Value BrokeredCdsAndOtherTimeDepositsFairValue	2100992000	USD
CY2012Q3	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	1753285000	USD
CY2012Q3	asbc	Deposits Excluding Time Deposits DepositsExcludingTimeDeposits	14349600000	USD
CY2012Q3	asbc	Depositsexcludingtimedepositsfairvaluedisclosure Depositsexcludingtimedepositsfairvaluedisclosure	14349600000	USD
CY2012Q3	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1362806000	USD
CY2012Q3	asbc	Foreign Currency Contract Asset ForeignCurrencyContractAsset	1094000	USD
	asbc	Average Deposits AverageDeposits	15223805000	USD
CY2012Q3	us-gaap	Held To Maturity Securities Fair Value Disclosure HeldToMaturitySecuritiesFairValueDisclosure	21723000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	454958000	USD
CY2011Q4	asbc	Interest Bearing Deposits In Banks Fair Value Disclosure InterestBearingDepositsInBanksFairValueDisclosure	154562000	USD
CY2011Q4	us-gaap	Federal Funds Sold And Securities Borrowed Or Purchased Under Agreements To Resell Fair Value Disclosure FederalFundsSoldAndSecuritiesBorrowedOrPurchasedUnderAgreementsToResellFairValueDisclosure	7075000	USD
CY2011Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	4937483000	USD
CY2011Q4	asbc	Federal Home Loan Bank And Federal Reserve Bank Stocks Fair Value Disclosure FederalHomeLoanBankAndFederalReserveBankStocksFairValueDisclosure	191188000	USD
CY2011Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	255201000	USD
CY2011Q4	asbc	Loans Receivable Net Fair Value Disclosure LoansReceivableNetFairValueDisclosure	12751626000	USD
CY2011Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	544764000	USD
CY2011Q4	asbc	Bank Owned Life Insurance Fair Value Disclosure BankOwnedLifeInsuranceFairValueDisclosure	544764000	USD
CY2011Q4	us-gaap	Interest Receivable InterestReceivable	68920000	USD
CY2011Q4	asbc	Accrued Interest Receivable Fair Value Disclosure AccruedInterestReceivableFairValueDisclosure	68920000	USD
CY2011Q4	asbc	Other Derivatives Not Designated As Hedging Instruments OtherDerivativesNotDesignatedAsHedgingInstruments	71143000	USD
CY2011Q4	us-gaap	Other Derivatives Not Designated As Hedging Instruments At Fair Value Net OtherDerivativesNotDesignatedAsHedgingInstrumentsAtFairValueNet	71143000	USD
CY2011Q4	us-gaap	Foreign Currency Contract Asset Fair Value Disclosure ForeignCurrencyContractAssetFairValueDisclosure	2079000	USD
CY2011Q4	asbc	Interest Rate Lock Commitments InterestRateLockCommitments	4571000	USD
CY2011Q4	asbc	Interest Rate Lock Commitments At Fair Value InterestRateLockCommitmentsAtFairValue	4571000	USD
CY2011Q4	asbc	Purchased Deposit Option PurchasedDepositOption	2854000	USD
CY2011Q4	asbc	Purchased Deposit Option At Fair Value PurchasedDepositOptionAtFairValue	2854000	USD
CY2011Q4	asbc	Deposits Excluding Time Deposits DepositsExcludingTimeDeposits	12363287000	USD
CY2011Q4	asbc	Depositsexcludingtimedepositsfairvaluedisclosure Depositsexcludingtimedepositsfairvaluedisclosure	12363287000	USD
CY2011Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	15931000	USD
CY2011Q4	us-gaap	Accrued Liabilities Fair Value Disclosure AccruedLiabilitiesFairValueDisclosure	15931000	USD
CY2011Q4	asbc	Interest Rate Related Agreements InterestRateRelatedAgreements	80075000	USD
CY2011Q4	asbc	Interest Rate Related Agreements Fair Value Disclosure InterestRateRelatedAgreementsFairValueDisclosure	80075000	USD
CY2011Q4	asbc	Foreign Currency Contracts Liability ForeignCurrencyContractsLiability	1891000	USD
CY2011Q4	us-gaap	Foreign Currency Contracts Liability Fair Value Disclosure ForeignCurrencyContractsLiabilityFairValueDisclosure	1891000	USD
CY2011Q4	us-gaap	Line Of Credit LineOfCredit	3648000	USD
CY2011Q4	us-gaap	Lines Of Credit Fair Value Disclosure LinesOfCreditFairValueDisclosure	3648000	USD
CY2011Q4	asbc	Forward Commitments Fair Value Disclosure ForwardCommitmentsFairValueDisclosure	4771000	USD
CY2011Q4	asbc	Forward Commitments ForwardCommitments	4771000	USD
CY2011Q4	asbc	Written Deposit Option WrittenDepositOption	2854000	USD
CY2011Q4	asbc	Written Deposit Option At Fair Value WrittenDepositOptionAtFairValue	2854000	USD
CY2011Q4	asbc	Brokered Cds And Other Time Deposits BrokeredCdsAndOtherTimeDeposits	2727368000	USD
CY2011Q4	asbc	Brokered Cds And Other Time Deposits Fair Value BrokeredCdsAndOtherTimeDepositsFairValue	2727368000	USD
CY2011Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	2514485000	USD
CY2011Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1309687000	USD
CY2011Q4	asbc	Foreign Currency Contract Asset ForeignCurrencyContractAsset	2079000	USD
CY2012Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	300000000	USD
CY2011Q4	us-gaap	Notional Amount Of Interest Rate Cash Flow Hedge Derivatives NotionalAmountOfInterestRateCashFlowHedgeDerivatives	100000000	USD
CY2012Q3	us-gaap	Notional Amount Of Interest Rate Cash Flow Hedge Derivatives NotionalAmountOfInterestRateCashFlowHedgeDerivatives	0	USD
CY2011Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	300000000	USD
CY2012Q3	asbc	Defined Benefit Postretirement Plan Health Care Access Eligibility Terms DefinedBenefitPostretirementPlanHealthCareAccessEligibilityTerms	55
	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	32000000	USD
	us-gaap	Revenues Revenues	699922000	USD
	us-gaap	Revenues Revenues	662593000	USD
	asbc	Average Earning Assets AverageEarningAssets	19473207000	USD
	us-gaap	Average Balance During Period Of Loans Held In Portfolio AverageBalanceDuringPeriodOfLoansHeldInPortfolio	14611065000	USD
	asbc	Average Allocated Capital AverageAllocatedCapital	1826270000	USD
	asbc	Average Earning Assets AverageEarningAssets	19420572000	USD
	us-gaap	Average Balance During Period Of Loans Held In Portfolio AverageBalanceDuringPeriodOfLoansHeldInPortfolio	13021134000	USD
	asbc	Average Deposits AverageDeposits	14235123000	USD
	asbc	Average Allocated Capital AverageAllocatedCapital	1692991000	USD
	asbc	Return On Average Allocated Capital ReturnOnAverageAllocatedCapital	0.0593	pure
	asbc	Return On Average Allocated Capital ReturnOnAverageAllocatedCapital	0.0940	pure
CY2012Q3	us-gaap	Revenues Revenues	236590000	USD
CY2011Q3	us-gaap	Revenues Revenues	222156000	USD
CY2011Q3	asbc	Average Earning Assets AverageEarningAssets	19530007000	USD
CY2011Q3	us-gaap	Average Balance During Period Of Loans Held In Portfolio AverageBalanceDuringPeriodOfLoansHeldInPortfolio	13376928000	USD
CY2011Q3	asbc	Average Deposits AverageDeposits	14405311000	USD
CY2011Q3	asbc	Average Allocated Capital AverageAllocatedCapital	1723954000	USD
CY2012Q3	asbc	Average Earning Assets AverageEarningAssets	19659796000	USD
CY2012Q3	us-gaap	Average Balance During Period Of Loans Held In Portfolio AverageBalanceDuringPeriodOfLoansHeldInPortfolio	14916793000	USD
CY2012Q3	asbc	Average Deposits AverageDeposits	15615856000	USD
CY2012Q3	asbc	Average Allocated Capital AverageAllocatedCapital	1850610000	USD
CY2012Q3	asbc	Return On Average Allocated Capital ReturnOnAverageAllocatedCapital	0.0969	pure
CY2011Q3	asbc	Return On Average Allocated Capital ReturnOnAverageAllocatedCapital	0.0775	pure

Files In Submission

Name	View Source	Status
0001193125-12-451803-index-headers.html	Edgar Link	pending
0001193125-12-451803-index.html	Edgar Link	pending
0001193125-12-451803.txt	Edgar Link	pending
0001193125-12-451803-xbrl.zip	Edgar Link	pending
asbc-20120930.xml	Edgar Link	completed
asbc-20120930.xsd	Edgar Link	pending
asbc-20120930_cal.xml	Edgar Link	unprocessable
asbc-20120930_def.xml	Edgar Link	unprocessable
asbc-20120930_lab.xml	Edgar Link	unprocessable
asbc-20120930_pre.xml	Edgar Link	unprocessable
d432038d10q.htm	Edgar Link	pending
d432038dex311.htm	Edgar Link	pending
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d432038dex32.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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2012 Q4 Form 10-Q Financial Statement

#000119312512451803 Filed on November 05, 2012

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Facts In Submission

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$ASB ASSOCIATED BANC-CORP Stock $asb

2012 Q4 Form 10-Q Financial Statement

#000119312512451803 Filed on November 05, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ASB
ASSOCIATED BANC-CORP Stock $asb