XML 60 R48.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Acquisitions and Divestitures - Merger and Integration Expenses (Details) - Capital Bank Financial Corporation - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Business Acquisition [Line Items] |  |  |  |
Merger and integration expense | $ 10,190 | $ 6,991 | $ 82,052 | $ 11,622
Professional fees |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger and integration expense | 4,594 | 3,492 | 19,215 | 8,004
Employee compensation, incentives and benefits |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger and integration expense | 1,965 | 232 | 8,459 | 232
Contract employment and outsourcing |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger and integration expense | 599 | 351 | 3,702 | 351
Occupancy |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger and integration expense | 100 | 15 | 2,321 | 15
Miscellaneous expense |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger and integration expense | 1,384 | 130 | 6,522 | 234
All other expense |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger and integration expense | $ 1,548 | $ 2,771 | $ 41,833 | $ 2,786

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_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. + References No definition available. + Details
Name: | us-gaap_BusinessCombinationIntegrationRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fhn_CapitalBankFinancialCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=fhn_ProfessionalFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=fhn_EmployeeCompensationIncentivesAndBenefitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=fhn_ContractEmploymentAndOutsourcingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=fhn_OccupancyNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=fhn_MiscellaneousExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=fhn_AllOtherExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |