XML 111 R100.htm IDEA: XBRL DOCUMENT
v3.20.2

Fair Value of Assets & Liabilities - Gains/(losses) on Nonrecurring Fair Value Measurements (Details) - Non Recurring - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Net gains/(losses), Loans, net of unearned income | $ (1,274) | $ (4,639) | $ (6,113) | $ (4,436)
Net gains/(losses), Real estate acquired by foreclosure | (142) | (9) | (169) | 26
Net gains/(losses), Other assets | (426) | (267) | (772) | (942)
Gain (loss) on financial assets measured on non-recurring basis | (3,093) | (5,979) | (9,261) | (6,620)
First Mortgages |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Net gains/(losses), Loans held for sale | (4) | 10 | 1 | 25
SBAs |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Net gains/(losses), Loans held for sale | $ (1,247) | $ (1,074) | $ (2,208) | $ (1,293)

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