XML 172 R150.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Fair Value of Assets and Liabilities - Nonrecurring Fair Value Measurements (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | $ 16,273 |  | $ 20,881 |  |
Other real estate owned (OREO) | [1] | 25,290 |  | 43,382 |  |
Loans and Leases Receivable, Net of Deferred Income |  | 27,535,532 | [2] | 27,658,929 | [2] | $ 19,589,520
Non Recurring |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other real estate owned (OREO) |  | 22,387 |  | 39,566 |  | 11,235
Other assets |  | 8,845 |  | 26,521 |  | 29,609
Loans and Leases Receivable, Net of Deferred Income |  | 48,259 |  | 26,666 |  | 31,070
Net Gains Or Losses Real Estate Acquired by Foreclosure |  | (841) |  | (1,687) |  | (2,055)
Net Gains Or Losses Other Real Estate Owned |  | (2,599) |  | (996) |  | (2,041)
Net Gains Loss On Other Assets |  | (4,712) |  | (3,468) |  | (3,349)
Net Gains Loss On Financial Assets Measured On Nonrecurring Basis |  | (12,489) |  | (7,744) |  | (7,371)
Non Recurring | Other Consumer Loans Class |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 18,712 |  |  |  |
Net Gains Or Losses Loans Held For Sale |  | (1,809) |  |  |  |
Non Recurring | SBAs and USDA |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 578,291 |  | 466,977 |  | 4,286
Net Gains Or Losses Loans Held For Sale |  | (2,541) |  | (1,629) |  | (1)
Non Recurring | First Mortgages |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 541 |  | 618 |  | 638
Net Gains Or Losses Loans Held For Sale |  | 13 |  | 36 |  | 75
Non Recurring | Level 1 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other real estate owned (OREO) |  | 0 |  | 0 |  | 0
Other assets |  | 0 |  | 0 |  |
Loans and Leases Receivable, Net of Deferred Income |  | 0 |  | 0 |  | 0
Non Recurring | Level 1 | Other Consumer Loans Class |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 0 |  |  |  |
Non Recurring | Level 1 | SBAs and USDA |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 0 |  | 0 |  | 0
Non Recurring | Level 1 | First Mortgages |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 0 |  | 0 |  | 0
Non Recurring | Level 2 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other real estate owned (OREO) |  | 0 |  | 0 |  | 0
Other assets |  | 0 |  | 0 |  |
Loans and Leases Receivable, Net of Deferred Income |  | 0 |  | 0 |  | 0
Non Recurring | Level 2 | Other Consumer Loans Class |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 18,712 |  |  |  |
Non Recurring | Level 2 | SBAs and USDA |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 577,280 |  | 465,504 |  | 4,286
Non Recurring | Level 2 | First Mortgages |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 0 |  | 0 |  | 0
Non Recurring | Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Other real estate owned (OREO) |  | 22,387 |  | 39,566 |  | 11,235
Other assets |  | 8,845 |  | 26,521 |  | 29,609
Loans and Leases Receivable, Net of Deferred Income |  | 48,259 |  | 26,666 |  | 31,070
Non Recurring | Level 3 | Other Consumer Loans Class |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 0 |  |  |  |
Non Recurring | Level 3 | SBAs and USDA |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | 1,011 |  | 1,473 |  | 0
Non Recurring | Level 3 | First Mortgages |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Loans held-for-sale |  | $ 541 |  | $ 618 |  | $ 638
[1] | December 31, 2018 and 2017 include $9.7 million and $12.2 million, respectively, of foreclosed residential real estate.
[2] | December 31, 2018 and 2017 include $28.6 million and $22.7 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate in process of foreclosure.

X
- Definition Net Gains Loss On Financial Assets Measured On Nonrecurring Basis + References No definition available. + Details
Name: | fhn_NetGainsLossOnFinancialAssetsMeasuredOnNonrecurringBasis
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Net gains or losses recognized in earnings on loans held for sale measured at fair value on a nonrecurring basis. + References No definition available. + Details
Name: | fhn_NetGainsOrLossesLoansHeldForSale
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Net gains or losses recognized in earnings on loans measured at fair value (based on the appraised value of collateral) on a nonrecurring basis. Write-downs on these loans are recognized as part of provision. + References No definition available. + Details
Name: | fhn_NetGainsOrLossesLoansNetOfUnearnedIncome
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Write-downs of low income housing investments to estimated fair value based on the value of the associated tax credits. + References No definition available. + Details
Name: | fhn_NetGainsOrLossesOtherAssets
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Net gains or losses recognized in earnings on foreclosed assets measured at fair value on a nonrecurring basis. + References No definition available. + Details
Name: | fhn_NetGainsOrLossesRealEstateAcquiredByForeclosure
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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
- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
Name: | us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of other assets. + References No definition available. + Details
Name: | us-gaap_OtherAssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5162-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4437-111522 + Details
Name: | us-gaap_RealEstateAcquiredThroughForeclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fhn_LoansHeldForSaleByTypeAxis=fhn_OtherConsumerLoansClassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fhn_LoansHeldForSaleByTypeAxis=fhn_SmallBusinessAdministrationAndUSDAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis=us-gaap_FirstMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
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: |