XML 99 R79.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Allowance for Loan Losses (Rollforward Of The Allowance For Loan Losses By Portfolio Segment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning Balance | $ 202,068 |  | $ 210,242 |  | $ 232,448
Charge-offs | (46,394) |  | (57,639) |  | (75,856)
Recoveries | 33,881 |  | 38,465 |  | 44,650
Provision/(provision credit) for loan losses | 0 |  | 11,000 |  | 9,000
Ending Balance | 189,555 |  | 202,068 |  | 210,242
Allowance - individually evaluated for impairment | 41,767 |  | 45,818 |  | 51,032
Allowance - collectively evaluated for impairment | 144,620 |  | 155,527 |  | 157,528
Allowance - purchased credit-impaired loans | 3,168 |  | 723 |  | 1,682
Individually evaluated for impairment | 259,713 |  | 298,778 |  | 308,049
Collectively evaluated for impairment | 27,219,667 |  | 19,243,664 |  | 17,337,055
Purchased credit-impaired loans | 179,549 |  | 47,078 |  | 41,398
Total loans, net of unearned income | 27,658,929 | [1] | 19,589,520 | [1] | 17,686,502
C&I |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning Balance | 89,398 |  | 73,637 |  | 67,011
Charge-offs | (17,657) |  | (18,460) |  | (22,406)
Recoveries | 4,568 |  | 6,795 |  | 13,339
Provision/(provision credit) for loan losses | 21,902 |  | 27,426 |  | 15,693
Ending Balance | 98,211 |  | 89,398 |  | 73,637
Allowance - individually evaluated for impairment | 6,044 |  | 4,219 |  | 3,643
Allowance - collectively evaluated for impairment | 89,358 |  | 85,015 |  | 69,980
Allowance - purchased credit-impaired loans | 2,809 |  | 164 |  | 14
Individually evaluated for impairment | 43,024 |  | 47,962 |  | 30,472
Collectively evaluated for impairment | 15,909,110 |  | 12,059,593 |  | 10,389,841
Purchased credit-impaired loans | 105,139 |  | 40,532 |  | 16,077
Total loans, net of unearned income | 16,057,273 |  | 12,148,087 |  | 10,436,390
Commercial Real Estate |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning Balance | 33,852 |  | 25,159 |  | 18,574
Charge-offs | (195) |  | (1,371) |  | (3,550)
Recoveries | 966 |  | 1,927 |  | 1,876
Provision/(provision credit) for loan losses | (6,196) |  | 8,137 |  | 8,259
Ending Balance | 28,427 |  | 33,852 |  | 25,159
Allowance - individually evaluated for impairment | 132 |  | 194 |  | 481
Allowance - collectively evaluated for impairment | 28,291 |  | 33,503 |  | 23,519
Allowance - purchased credit-impaired loans | 4 |  | 155 |  | 1,159
Individually evaluated for impairment | 2,407 |  | 3,124 |  | 9,055
Collectively evaluated for impairment | 4,181,908 |  | 2,127,481 |  | 1,644,792
Purchased credit-impaired loans | 30,380 |  | 4,918 |  | 21,088
Total loans, net of unearned income | 4,214,695 |  | 2,135,523 |  | 1,674,935
Consumer Real Estate |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning Balance | 50,357 |  | 80,614 |  | 113,011
Charge-offs | (13,156) |  | (21,993) |  | (30,068)
Recoveries | 22,723 |  | 23,719 |  | 23,895
Provision/(provision credit) for loan losses | (22,553) |  | (31,983) |  | (26,224)
Ending Balance | 37,371 |  | 50,357 |  | 80,614
Allowance - individually evaluated for impairment | 23,175 |  | 28,802 |  | 31,278
Allowance - collectively evaluated for impairment | 13,841 |  | 21,151 |  | 48,828
Allowance - purchased credit-impaired loans | 355 |  | 404 |  | 508
Individually evaluated for impairment | 128,895 |  | 153,460 |  | 165,684
Collectively evaluated for impairment | 6,200,330 |  | 4,368,716 |  | 4,596,654
Purchased credit-impaired loans | 38,530 |  | 1,576 |  | 4,180
Total loans, net of unearned income | 6,367,755 |  | 4,523,752 |  | 4,766,518
Permanent Mortgage |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning Balance | 16,289 |  | 18,947 |  | 19,122
Charge-offs | (2,179) |  | (1,591) |  | (3,141)
Recoveries | 2,509 |  | 2,403 |  | 1,687
Provision/(provision credit) for loan losses | (1,054) |  | (3,470) |  | 1,279
Ending Balance | 15,565 |  | 16,289 |  | 18,947
Allowance - individually evaluated for impairment | 12,105 |  | 12,470 |  | 15,463
Allowance - collectively evaluated for impairment | 3,460 |  | 3,819 |  | 3,484
Allowance - purchased credit-impaired loans | 0 |  | 0 |  | 0
Individually evaluated for impairment | 84,794 |  | 93,926 |  | 102,461
Collectively evaluated for impairment | 314,513 |  | 329,199 |  | 351,662
Purchased credit-impaired loans | 0 |  | 0 |  | 0
Total loans, net of unearned income | 399,307 |  | 423,125 |  | 454,123
Credit Card and Other |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning Balance | 12,172 |  | 11,885 |  | 14,730
Charge-offs | (13,207) |  | (14,224) |  | (16,691)
Recoveries | 3,115 |  | 3,621 |  | 3,853
Provision/(provision credit) for loan losses | 7,901 |  | 10,890 |  | 9,993
Ending Balance | 9,981 |  | 12,172 |  | 11,885
Allowance - individually evaluated for impairment | 311 |  | 133 |  | 167
Allowance - collectively evaluated for impairment | 9,670 |  | 12,039 |  | 11,717
Allowance - purchased credit-impaired loans | 0 |  | 0 |  | 1
Individually evaluated for impairment | 593 |  | 306 |  | 377
Collectively evaluated for impairment | 613,806 |  | 358,675 |  | 354,106
Purchased credit-impaired loans | 5,500 |  | 52 |  | 53
Total loans, net of unearned income | $ 619,899 |  | $ 359,033 |  | $ 354,536
[1] | December 31, 2017 and 2016 include $22.7 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate in process of foreclosure.

X
- Definition The recorded balance for loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References No definition available. + Details
Name: | fhn_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesRecordedInvestment
Namespace Prefix: | fhn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 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 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reserve for loans impairments recorded after acquisition as a result of current information and events which result in it being probable that estimated cash flows will be less than previously expected or because actual cash flows are less than cash flows previously expected. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82894507&loc=d3e13503-111538 + Details
Name: | us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for 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 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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=82891408&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=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 Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_ProvisionForLoanLeaseAndOtherLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fhn_CommercialFinancialAndIndustrialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fhn_ConsumerRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fhn_PermanentMortgagePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fhn_CreditCardAndOtherPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |