XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Acquisitions and Divestitures (Narrative) (Details) $ in Thousands |  |  |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 23, 2018 USD ($) branch | Nov. 30, 2017 USD ($) branch shares | Apr. 03, 2017 USD ($) | Jun. 30, 2018 USD ($) shares | Jun. 30, 2018 USD ($) branch | Dec. 31, 2017 USD ($) | Jun. 30, 2017 USD ($) | Dec. 31, 2016 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 1,409,276 | $ 1,409,276 | $ 1,386,853 | $ 236,335 | $ 191,371
Number of branches divested | branch |  |  |  |  | 2 |  |  |
Deposits disposed of |  |  |  |  |  | $ 22,600 |  |
Portion of Sub-prime Auto Loan Portfolios |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Loans disposed of |  |  |  | 120,000 | $ 120,000 |  |  |
Apex Bank |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of branches divested | branch | 2 |  |  |  |  |  |  |
Deposits disposed of | $ 30,000 |  |  |  |  |  |  |
Loans disposed of | $ 2,000 |  |  |  |  |  |  |
Capital Bank Financial Corp |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares |  | 92,042,232 |  |  |  |  |  |
Payments to acquire businesses |  | $ 423,600 |  | $ 46,000 | 469,609 |  |  |
Business combination, consideration transferred |  | $ 2,200,000 |  |  | 2,216,333 |  |  |
Business acquisition, number of shares canceled (in shares) | shares |  |  |  | 2,373,220 |  |  |  |
Number of bank branches | branch |  | 178 |  |  |  |  |  |
Assets acquired |  | $ 9,900,000 |  | $ 9,858,145 | 9,858,145 |  |  |
Loans |  | 7,300,000 |  | 7,276,544 | 7,276,544 |  |  |
Securities available-for-sale |  | 1,200,000 |  | 1,193,393 | 1,193,393 |  |  |
Deposits |  | $ 8,100,000 |  | 8,140,102 | 8,140,102 |  |  |
Goodwill |  |  |  | 1,169,324 | 1,169,324 |  |  |
Loans held-for-sale |  |  |  | 124,918 | 124,918 |  |  |
Trading securities |  |  |  | 0 | 0 |  |  |
Securities sold under agreements to repurchase |  |  |  | $ 26,664 | $ 26,664 |  |  |
Coastal Securities, Inc |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses |  |  | $ 131,000 |  |  |  |  |
Assets acquired |  |  | 418,000 |  |  |  |  |
Goodwill |  |  | 45,000 |  |  |  |  |
Loans held-for-sale |  |  | 236,000 |  |  |  |  |
Trading securities |  |  | 139,000 |  |  |  |  |
Securities sold under agreements to repurchase |  |  | 202,000 |  |  |  |  |
Fixed income payables |  |  | $ 96,000 |  |  |  |  |

X
- Definition Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Canceled + References No definition available. + Details
Name: | fhn_BusinessAcquisitionEquityInterestIssuedorIssuableNumberofSharesCanceled
Namespace Prefix: | fhn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Available-for-Sale Securities + References No definition available. + Details
Name: | fhn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAvailableforSaleSecurities
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposits + References No definition available. + Details
Name: | fhn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeposits
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fixed Income Payables + References No definition available. + Details
Name: | fhn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFixedIncomePayables
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans And Leases Receivable, Net Of Deferred Income + References No definition available. + Details
Name: | fhn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans Held-for-Sale + References No definition available. + Details
Name: | fhn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLoansHeldforSale
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Securities Sold Under Agreements to Repurchase + References No definition available. + Details
Name: | fhn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedSecuritiesSoldUnderAgreementstoRepurchase
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Trading Securities + References No definition available. + Details
Name: | fhn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedTradingSecurities
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Disposal Group, Including Discontinued Operation, Deposits, Savings Deposits + References No definition available. + Details
Name: | fhn_DisposalGroupIncludingDiscontinuedOperationDepositsSavingsDeposits
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Disposal Group, Including Discontinued Operation, Loans And Leases Receivable, Net Of Deferred Income + References No definition available. + Details
Name: | fhn_DisposalGroupIncludingDiscontinuedOperationLoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of bank branches to the aquired entity operated prior to the acquisition. + References No definition available. + Details
Name: | fhn_NumberOfBankBranches
Namespace Prefix: | fhn_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Branches Divested + References No definition available. + Details
Name: | fhn_NumberofBranchesDivested
Namespace Prefix: | fhn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
Name: | us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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 Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
Name: | us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of assets acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=fhn_PortionofSubprimeAutoLoanPortfoliosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CounterpartyNameAxis=fhn_ApexBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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