XML 90 R75.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Variable Interest Entities (Summary Of VIE Not Consolidated By FHN) (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016 | Jun. 30, 2016
--- | --- | --- | ---
Variable Interest Entity [Line Items] |  |  |  |  |
Loans, net of unearned income | $ 19,989,319 | [1] | $ 19,589,520 | [1] | $ 18,589,337
Term borrowings | 1,033,329 |  | 1,040,656 |  |
Trading securities | 1,315,891 |  | 897,071 |  |
Securities available-for-sale | 3,949,592 | [2] | 3,943,499 | [3] |
Low Income Housing Partnerships |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Maximum Loss Exposure | 73,890 | [4] | 73,582 | [5] |
Maximum loss exposure, contractual funding commitments | 19,500 |  | 17,400 |  |
Liability Recognized | 19,479 |  | 17,398 |  |
Low Income Housing Partnerships | Other Assets |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Maximum loss exposure, current investments | 54,400 |  | 56,200 |  |
Other Tax Credit Investments |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Maximum Loss Exposure | 20,951 | [6],[7] | 21,898 | [8],[9] |
Liability Recognized | 0 | [6],[7] | 0 | [8],[9] |
Other Tax Credit Investments | Other Assets |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Maximum loss exposure, current investments | 18,000 |  | 18,000 |  |
Small Issuer Trust Preferred Holdings |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Maximum Loss Exposure | 332,913 | [10] | 332,985 | [11] |
Liability Recognized | 0 | [10] | 0 | [11] |
On Balance Sheet Trust Preferred Securitization |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Maximum Loss Exposure | 49,361 |  | 49,361 |  |
Liability Recognized | 64,812 | [12] | 64,812 | [13] |
Loans, net of unearned income | 112,500 |  | 112,500 |  |
Term borrowings | 64,800 |  | 64,800 |  |
Trading securities | 1,700 |  | 1,700 |  |
Proprietary & Agency Residential Mortgage Securitizations |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Maximum Loss Exposure | 2,459 |  | 2,568 |  |
Liability Recognized | 0 |  | 0 |  |
Holdings Of Agency Mortgage Backed Securities |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Maximum Loss Exposure | 4,346,895 | [10] | 4,163,313 | [11] |
Liability Recognized | 0 | [10],[14] | 0 | [11],[15] |
Trading securities | 600,000 |  | 400,000 |  |
Securities available-for-sale | 3,800,000 |  | 3,800,000 |  |
Commercial Loan Troubled Debt Restructurings |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Maximum Loss Exposure | 33,673 | [16] | 42,696 | [17] |
Maximum loss exposure, contractual funding commitments | 5,200 |  | 5,200 |  |
Liability Recognized | 0 | [16] | 0 | [17] |
Loans, net of unearned income | 28,400 |  | 37,500 |  |
Sale Leaseback Transaction |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Maximum Loss Exposure | 14,827 | [18] | 11,827 | [19] |
Liability Recognized | $ 0 |  | $ 0 |  |
[1] | June 30, 2017 and December 31, 2016 include $28.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.
[2] | Includes $3.5 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes.
[3] | Includes $3.3 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes.
[4] | Maximum loss exposure represents $54.4 million of current investments and $19.5 million of accrued contractual funding commitments. Accrued funding commitments represent unconditional contractual obligations for future funding events, and are also recognized in Other liabilities. FHN currently expects to be required to fund these accrued commitments by the end of 2020.
[5] | Maximum loss exposure represents $56.2 million of current investments and $17.4 million of accrued contractual funding commitments. Accrued funding commitments represent unconditional contractual obligations for future funding events, and are also recognized in Other liabilities. FHN currently expects to be required to fund these accrued commitments by the end of 2017.
[6] | A liability is not recognized as investments are written down over the life of the related tax credit.
[7] | Maximum loss exposure represents current investment balance. Of the initial investment, $18.0 million was funded through loans from community development enterprises.
[8] | A liability is not recognized as investments are written down over the life of the related tax credit.
[9] | Maximum loss exposure represents current investment balance. Of the initial investment, $18.0 million was funded through loans from community development enterprises.
[10] | Maximum loss exposure represents the value of current investments. A liability is not recognized as FHN is solely a holder of the trusts’ securities.
[11] | Maximum loss exposure represents the value of current investments. A liability is not recognized as FHN is solely a holder of the trusts’ securities.
[12] | Includes $112.5 million classified as Loans, net of unearned income, and $1.7 million classified as Trading securities which are offset by $64.8 million classified as Term borrowings.
[13] | Includes $112.5 million classified as Loans, net of unearned income, and $1.7 million classified as Trading securities which are offset by $64.8 million classified as Term borrowings.
[14] | Includes $.6 billion classified as Trading securities and $3.8 billion classified as Securities available-for-sale.
[15] | Includes $.4 billion classified as Trading securities and $3.8 billion classified as Securities available-for-sale.
[16] | Maximum loss exposure represents $28.4 million of current receivables and $5.2 million of contractual funding commitments on loans related to commercial borrowers involved in a troubled debt restructuring.
[17] | Maximum loss exposure represents $37.5 million of current receivables and $5.2 million of contractual funding commitments on loans related to commercial borrowers involved in a troubled debt restructuring.
[18] | Maximum loss exposure represents the current loan balance plus additional funding commitments less amounts received from the buyer-lessor.
[19] | Maximum loss exposure represents the current loan balance plus additional funding commitments less amounts received from the buyer-lessor.

X
- Definition Amount of contractual funding commitments related to nonconsolidated VIEs and represents a portion of maximum loss exposure. + References No definition available. + Details
Name: | fhn_ContractualFundingCommitments
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount of investments in low income housing partnerships which is recognized within Other Assets. Amount represents a portion of parent company's maximum loss exposure related to these unconsolidated VIE. + References No definition available. + Details
Name: | fhn_CurrentInvestments
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562 + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of long-term debt classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_OtherLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26626-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 + Details
Name: | us-gaap_TradingSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5728-111685 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5747-111685 + Details
Name: | us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Carrying amount of the liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5728-111685 + Details
Name: | us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=fhn_LowIncomeHousingPartnershipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fhn_AssetsAndLiabilitiesUconsolodiatedVieByBalanceSheetLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=fhn_OtherTaxCreditInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=fhn_SmallIssuerTrustPreferredHoldingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=fhn_OnBalanceSheetTrustPreferredSecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=fhn_ProprietaryAgencyResidentialMortgageSecuritizationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=fhn_HoldingsOfAgencyMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=fhn_CommercialLoanTroubledDebtRestructuringsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=fhn_SaleLeasebackTransactionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |