XML 76 R56.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans Past Due Status (Details) - USD ($) | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Summarized details of Loans |  |
Current | $ 22,730,767,000 | $ 20,555,250,000
Nonaccrual | 204,460,000 | 208,546,000
Total loans | 22,976,786,000 | 20,784,991,000
Accruing loans past due 90 days or more | 2,000,000 | 2,000,000
Nonaccrual Loans, Current Portion | $ 141,000,000 | $ 135,000,000
Percent of current nonaccrual loans | 69.00% | 65.00%
30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | $ 37,857,000 | $ 16,861,000
60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 1,863,000 | 2,467,000
90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 1,839,000 | 1,867,000
Commercial and industrial |  |
Summarized details of Loans |  |
Current | 7,027,210,000 | 6,286,369,000
Nonaccrual | 81,776,000 | 112,786,000
Total loans | 7,109,796,000 | 6,399,693,000
Commercial and industrial | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 407,000 | 170,000
Commercial and industrial | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 181,000 | 101,000
Commercial and industrial | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 222,000 | 267,000
Commercial real estate — owner occupied |  |
Summarized details of Loans |  |
Current | 869,488,000 | 779,421,000
Nonaccrual | 18,649,000 | 22,740,000
Total loans | 888,330,000 | 802,209,000
Commercial real estate — owner occupied | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 193,000 | 48,000
Commercial real estate — owner occupied | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 0 | 0
Commercial real estate — owner occupied | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 0 | 0
Commercial and business lending |  |
Summarized details of Loans |  |
Current | 7,896,698,000 | 7,065,790,000
Nonaccrual | 100,425,000 | 135,526,000
Total loans | 7,998,126,000 | 7,201,902,000
Commercial and business lending | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 600,000 | 218,000
Commercial and business lending | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 181,000 | 101,000
Commercial and business lending | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 222,000 | 267,000
Commercial real estate — investor |  |
Summarized details of Loans |  |
Current | 3,969,084,000 | 3,310,000,000
Nonaccrual | 26,503,000 | 4,729,000
Total loans | 3,996,415,000 | 3,315,254,000
Commercial real estate — investor | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 828,000 | 374,000
Commercial real estate — investor | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 0 | 0
Commercial real estate — investor | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 0 | 151,000
Real estate construction |  |
Summarized details of Loans |  |
Current | 1,465,850,000 | 1,450,459,000
Nonaccrual | 1,544,000 | 974,000
Total loans | 1,487,159,000 | 1,451,684,000
Real estate construction | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 19,765,000 | 168,000
Real estate construction | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 0 | 83,000
Real estate construction | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 0 | 0
Commercial real estate lending |  |
Summarized details of Loans |  |
Current | 5,434,934,000 | 4,760,459,000
Nonaccrual | 28,047,000 | 5,703,000
Total loans | 5,483,574,000 | 4,766,938,000
Commercial real estate lending | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 20,593,000 | 542,000
Commercial real estate lending | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 0 | 83,000
Commercial real estate lending | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 0 | 151,000
Total commercial |  |
Summarized details of Loans |  |
Current | 13,331,632,000 | 11,826,249,000
Nonaccrual | 128,472,000 | 141,229,000
Total loans | 13,481,700,000 | 11,968,840,000
Total commercial | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 21,193,000 | 760,000
Total commercial | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 181,000 | 184,000
Total commercial | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 222,000 | 418,000
Residential mortgage |  |
Summarized details of Loans |  |
Current | 8,135,016,000 | 7,483,350,000
Nonaccrual | 62,896,000 | 53,632,000
Total loans | 8,207,253,000 | 7,546,534,000
Residential mortgage | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 9,158,000 | 9,186,000
Residential mortgage | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 183,000 | 366,000
Residential mortgage | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 0 | 0
Home equity |  |
Summarized details of Loans |  |
Current | 891,135,000 | 863,465,000
Nonaccrual | 12,958,000 | 13,514,000
Total loans | 911,363,000 | 883,804,000
Home equity | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 6,534,000 | 5,688,000
Home equity | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 736,000 | 1,137,000
Home equity | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 0 | 0
Other consumer |  |
Summarized details of Loans |  |
Current | 372,984,000 | 382,186,000
Nonaccrual | 134,000 | 171,000
Total loans | 376,470,000 | 385,813,000
Other consumer | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 972,000 | 1,227,000
Other consumer | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 763,000 | 780,000
Other consumer | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | 1,617,000 | 1,449,000
Total consumer |  |
Summarized details of Loans |  |
Current | 9,399,135,000 | 8,729,001,000
Nonaccrual | 75,988,000 | 67,317,000
Total loans | 9,495,086,000 | 8,816,151,000
Total consumer | 30-59 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 16,664,000 | 16,101,000
Total consumer | 60-89 Days Past Due |  |
Summarized details of Loans |  |
Total Past Due | 1,682,000 | 2,283,000
Total consumer | 90 Days or More Past Due |  |
Summarized details of Loans |  |
Total Past Due | $ 1,617,000 | $ 1,449,000

X
- Definition Nonaccrual Loans, Current Portion + References No definition available. + Details
Name: | asb_NonaccrualLoansCurrentPortion
Namespace Prefix: | asb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | asb_PercentOfCurrentNonaccrualLoans
Namespace Prefix: | asb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Summarized details of Loans. + References No definition available. + Details
Name: | asb_SummarizedDetailsOfLoansAbstract
Namespace Prefix: | asb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing receivables that are current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asb_CommercialAndIndustrialFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asb_CommercialRealEstateOwnerOccupiedPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asb_CommercialAndBusinessLendingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asb_CommercialRealEstateInvestorPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asb_CommercialRealEstateLendingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asb_CommercialFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asb_OtherconsumerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |