XML 106 R91.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Fair Value Of Assets And Liabilities (Summary Of Changes In Level 3 Assets And Liabilities Measured At Fair Value) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Trading Securities |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ 2,335 |  | $ 3,057 |  | $ 2,573 |  | $ 4,377 |
Net income |  | 271 |  | 55 |  | 288 |  | 202 |
Purchases, assets |  | 0 |  | 0 |  | 0 |  | 0 |
Sales, assets |  |  |  | 0 |  |  |  | 0 |
Settlements, assets |  | (142) |  | (286) |  | (397) |  | (1,753) |
Net transfers into/(out of) Level 3, assets |  | 0 |  | 0 |  | 0 |  | 0 |
Ending Balance |  | 2,464 |  | 2,826 |  | 2,464 |  | 2,826 |
Net unrealized gains/(losses) included in net income |  | 229 | [1] | (5) | [1] | 202 | [2] | 79 | [2]
SBA - Interest Only Strips |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Beginning Balance |  | 0 |  |  |  | 0 |  |  |
Net income |  | 280 |  |  |  | 280 |  |  |
Purchases, assets |  | 1,413 |  |  |  | 1,413 |  |  |
Settlements, assets |  | (3,317) |  |  |  | (3,317) |  |  |
Net transfers into/(out of) Level 3, assets |  | 2,787 |  |  |  | 2,787 |  |  |
Ending Balance |  | 1,163 |  |  |  | 1,163 |  |  |
Net unrealized gains/(losses) included in net income | [3] | (53) |  |  |  | (53) |  |  |
Loans Held For Sale |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Beginning Balance |  | 21,221 |  | 26,287 |  | 21,924 |  | 27,418 |
Net income |  | 410 |  | 429 |  | 1,332 |  | 771 |
Purchases, assets |  | 43 |  | 327 |  | 75 |  | 475 |
Sales, assets |  |  |  | 0 |  |  |  | 0 |
Settlements, assets |  | (827) |  | (1,132) |  | (2,401) |  | (2,497) |
Net transfers into/(out of) Level 3, assets |  | (260) | [4] | (173) | [4] | (343) | [5] | (429) | [5]
Ending Balance |  | 20,587 |  | 25,738 |  | 20,587 |  | 25,738 |
Net unrealized gains/(losses) included in net income |  | 410 | [1] | 429 | [1] | 1,332 | [2] | 771 | [2]
AFS Securities [Member] |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 1,500 |  |  |  | 1,500 |
Net income |  |  |  | 0 |  |  |  | 0 |
Purchases, assets |  |  |  | 0 |  |  |  | 0 |
Sales, assets |  |  |  | 0 |  |  |  | 0 |
Settlements, assets |  |  |  | 0 |  |  |  | 0 |
Net transfers into/(out of) Level 3, assets |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  |  |  | 1,500 |  |  |  | 1,500 |
Net unrealized gains/(losses) included in net income |  |  |  | 0 |  |  |  | 0 |
Mortgage Servicing Rights Net |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 1,725 |  |  |  | 1,841 |
Net income |  |  |  | 31 |  |  |  | 31 |
Purchases, assets |  |  |  | 0 |  |  |  | 0 |
Sales, assets |  |  |  | (205) |  |  |  | (205) |
Settlements, assets |  |  |  | (145) |  |  |  | (261) |
Net transfers into/(out of) Level 3, assets |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  |  |  | 1,406 |  |  |  | 1,406 |
Net unrealized gains/(losses) included in net income |  |  |  | 0 |  |  |  | 0 |
Net Derivative Liabilities |  |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |  |
Beginning Balance |  | (5,950) |  | (4,620) |  | (6,245) |  | (4,810) |
Net income |  | (49) |  | (2,514) |  | (50) |  | (2,623) |
Purchases, liabilities |  | 0 |  | 0 |  | 0 |  | 0 |
Sales, liabilities |  |  |  | 0 |  |  |  | 0 |
Settlements, liabilities |  | 299 |  | 299 |  | 595 |  | 598 |
Net transfers in/(out) level 3, liabilities |  | 0 |  | 0 |  | 0 |  | 0 |
Ending Balance |  | (5,700) |  | (6,835) |  | (5,700) |  | (6,835) |
Net unrealized gains/(losses) included in other expense |  | $ (49) | [6] | $ (2,514) | [6] | $ (50) | [7] | $ (2,623) | [7]
[1] | Primarily included in mortgage banking income on the Consolidated Condensed Statements of Income.
[2] | Primarily included in mortgage banking income on the Consolidated Condensed Statements of Income.
[3] | Primarily included in fixed income on the Consolidated Condensed Statements of Income.
[4] | Transfers out of loans held-for-sale level 3 measured on a recurring basis generally reflect movements into real estate acquired by foreclosure (level 3 nonrecurring).
[5] | Transfers out of loans held-for-sale level 3 measured on a recurring basis generally reflect movements into real estate acquired by foreclosure (level 3 nonrecurring).
[6] | Included in Other expense.
[7] | Included in Other expense.

X
- Definition Fair Value Assets Or Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss Included In Fixed Income + References No definition available. + Details
Name: | fhn_FairValueAssetsOrLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInFixedIncome
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value Assets Or Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss Included In Mortgage Banking Income + References No definition available. + Details
Name: | fhn_FairValueAssetsOrLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInMortgageBankingIncome
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value Liabilities Measured On Recurring Basis Gain Loss Included In Other Expense + References No definition available. + Details
Name: | fhn_FairValueLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInOtherExpense
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset or Liability Value. + References No definition available. + Details
Name: | fhn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilityValue
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets); the fair value of which assets and liabilities was or is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings
Namespace Prefix: | us-gaap_
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_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of sales of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | fhn_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationByTypeAxis=us-gaap_TradingAccountAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fhn_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationByTypeAxis=us-gaap_InterestOnlyStripMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fhn_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationByTypeAxis=fhn_LoansHeldForSaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fhn_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationByTypeAxis=fhn_InvestmentPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fhn_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationByTypeAxis=fhn_MortgageServicingRightsNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fhn_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationByTypeAxis=fhn_NetDerivativeLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |