XML 85 R69.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Investment Securities (Mortgage-backed Asset Securities) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
Investment securities |  |  |
Fair value investments | $ 3,208.3 | $ 2,547.3 | $ 1,543.5
GNMA |  |  |
Investment securities |  |  |
Fair value investments | 46.3 | 70.3 |
FNMA |  |  |
Investment securities |  |  |
Fair value investments | 84.5 | 235.5 |
FHLMC |  |  |
Investment securities |  |  |
Fair value investments | 62.0 | 59.5 |
Total Agency |  |  |
Investment securities |  |  |
Fair value investments | 192.8 | 365.3 |
Residential |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 70.3 |
Commercial |  |  |
Investment securities |  |  |
Fair value investments | 70.5 | 3.9 |
Total Non-agency |  |  |
Investment securities |  |  |
Fair value investments | 70.5 | 74.2 |
Total mortgage-backed securities |  |  |
Investment securities |  |  |
Fair value investments | 263.3 | 439.5 |
Credit card receivables |  |  |
Investment securities |  |  |
Fair value investments | 206.0 | 214.2 |
Vehicle receivables |  |  |
Investment securities |  |  |
Fair value investments | 142.4 | 205.9 |
Other |  |  |
Investment securities |  |  |
Fair value investments | 83.0 | 120.2 |
Total other asset-backed securities |  |  |
Investment securities |  |  |
Fair value investments | 431.4 | 540.3 |
Total mortgage and asset- backed securities |  |  |
Investment securities |  |  |
Fair value investments | 694.7 | 979.8 |
Level 2 Inputs |  |  |
Investment securities |  |  |
Fair value investments | 2,105.4 | 2,093.8 | $ 585.6
Level 2 Inputs | GNMA |  |  |
Investment securities |  |  |
Fair value investments | 46.3 | 70.3 |
Level 2 Inputs | FNMA |  |  |
Investment securities |  |  |
Fair value investments | 84.5 | 235.5 |
Level 2 Inputs | FHLMC |  |  |
Investment securities |  |  |
Fair value investments | 62.0 | 59.5 |
Level 2 Inputs | Total Agency |  |  |
Investment securities |  |  |
Fair value investments | 192.8 | 365.3 |
Level 2 Inputs | Residential |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 70.3 |
Level 2 Inputs | Commercial |  |  |
Investment securities |  |  |
Fair value investments | 70.5 | 3.9 |
Level 2 Inputs | Total Non-agency |  |  |
Investment securities |  |  |
Fair value investments | 70.5 | 74.2 |
Level 2 Inputs | Total mortgage-backed securities |  |  |
Investment securities |  |  |
Fair value investments | 263.3 | 439.5 |
Level 2 Inputs | Credit card receivables |  |  |
Investment securities |  |  |
Fair value investments | 206.0 | 214.2 |
Level 2 Inputs | Vehicle receivables |  |  |
Investment securities |  |  |
Fair value investments | 142.4 | 205.9 |
Level 2 Inputs | Other |  |  |
Investment securities |  |  |
Fair value investments | 83.0 | 120.2 |
Level 2 Inputs | Total other asset-backed securities |  |  |
Investment securities |  |  |
Fair value investments | 431.4 | 540.3 |
Level 2 Inputs | Total mortgage and asset- backed securities |  |  |
Investment securities |  |  |
Fair value investments | 694.7 | 979.8 |
Level 3 Inputs | GNMA |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | FNMA |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | FHLMC |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | Total Agency |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | Residential |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | Commercial |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | Total Non-agency |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | Total mortgage-backed securities |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | Credit card receivables |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | Vehicle receivables |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | Other |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | Total other asset-backed securities |  |  |
Investment securities |  |  |
Fair value investments | 0.0 | 0.0 |
Level 3 Inputs | Total mortgage and asset- backed securities |  |  |
Investment securities |  |  |
Fair value investments | $ 0.0 | $ 0.0 |

X
- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82895926&loc=d3e24584-111560 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_InvestmentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_GovernmentNationalMortgageAssociationCertificatesAndObligationsGNMAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CollateralizedCreditCardSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CollateralizedAutoLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CollateralizedSecuritiesOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |