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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2017
Income Tax Disclosure [Abstract] |
Schedule Of Components Of Consolidated Statements Of Income And Equity | The aggregate amount of income taxes included in the Consolidated Statements of Income and the Consolidated Statements of Equity for the years ended December 31, were as follows:
(Dollars in thousands) |  | 2017 |  | 2016 |  | 2015
Consolidated Statements of Income: |  |  |  |  |  |
Income tax expense/(benefit) |  | $ | 131,892 |  |  | $ | 106,810 |  |  | $ | 10,941 |
Consolidated Statements of Equity: |  |  |  |  |  |  |  |  |
Income tax expense/(benefit) related to: |  |  |  |  |  |  |  |  |
Net unrealized gains/(losses) on pension and other postretirement plans |  | (832 | ) |  | (7,172 | ) |  | (6,689 | )
Net unrealized gains/(losses) on securities available-for-sale |  | (2,955 | ) |  | (12,810 | ) |  | (9,445 | )
Net unrealized gains/(losses) on cash flow hedges |  | (3,163 | ) |  | (780 | ) |  | — |
Share based compensation |  | — |  |  | (1,613 | ) |  | (356 | )
Total |  | $ | 124,942 |  |  | $ | 84,435 |  |  | $ | (5,549 | )
Schedule Of Components Of Income Tax Expense/(Benefit) | The components of income tax expense/(benefit) for the years ended December 31, were as follows:
(Dollars in thousands) |  | 2017 |  | 2016 |  | 2015
Current: |  |  |  |  |  |
Federal |  | $ | 10,012 |  |  | $ | 25,234 |  |  | $ | (5,059 | )
State |  | 879 |  |  | 1,803 |  |  | (8,258 | )
Foreign |  | — |  |  | 169 |  |  | 62 |
Deferred: |  |  |  |  |  |  |  |
Federal |  | 114,059 |  |  | 67,109 |  |  | 19,487 |
State |  | 6,942 |  |  | 12,495 |  |  | 4,706 |
Foreign |  | — |  |  | — |  |  | 3 |
Total |  | $ | 131,892 |  |  | $ | 106,810 |  |  | $ | 10,941 |
Schedule Of Computation Of Income Tax Expense Differed From The Amounts Computed By Applying Statutory Federal Income Tax Rate To Income/(Loss) From Continuing Operations Before Income Taxes | A reconciliation of expected income tax expense/(benefit) at the federal statutory rate of 35 percent to the total income tax expense follows:
(Dollars in thousands) |  | 2017 |  | 2016 |  | 2015
Federal income tax rate |  | 35% |  | 35% |  | 35%
Tax computed at statutory rate |  | $ | 108,105 |  |  | $ | 120,862 |  |  | $ | 37,889 |
Increase/(decrease) resulting from: |  |  |  |  |  |  |  |  |
State income taxes |  | 4,753 |  |  | 9,918 |  |  | 7 |
Bank-owned life insurance (“BOLI”) |  | (8,401 | ) |  | (5,661 | ) |  | (4,897 | )
401(k) – employee stock ownership plan (“ESOP”) |  | (904 | ) |  | (824 | ) |  | (714 | )
Tax-exempt interest |  | (7,890 | ) |  | (7,098 | ) |  | (6,507 | )
Non-deductible expenses |  | 7,558 |  |  | 1,079 |  |  | 887 |
LIHTC credits and benefits, net of amortization |  | (5,327 | ) |  | (6,165 | ) |  | (7,239 | )
Other tax credits |  | (2,480 | ) |  | (3,886 | ) |  | (2,012 | )
Change in valuation allowance – DTA |  | (40,473 | ) |  | (116 | ) |  | (3,875 | )
Other changes in unrecognized tax benefits |  | 46 |  |  | 616 |  |  | (1,386 | )
Effect of Tax Act |  | 82,027 |  |  | — |  |  | — |
Other |  | (5,122 | ) |  | (1,915 | ) |  | (1,212 | )
Total |  | $ | 131,892 |  |  | $ | 106,810 |  |  | $ | 10,941 |
Net DTA Balances Related To Income Tax Carryforwards | As of December 31, 2017, FHN had net deferred tax asset balances related to federal and state income tax carryforwards of $126.8 million and $19.8 million, respectively, which will expire at various dates as follows:
(Dollars in thousands) |  | Expiration Dates |  | Net Deferred Tax Asset Balance
General business credits-federal |  | 2031-2037 |  | $ | 64,835 |
Losses-federal |  | 2027-2035 |  | 62,010 |
Net operating losses-states |  | 2018-2022 |  | 1,092 |
Net operating losses-states |  | 2023-2035 |  | 18,709 |
Schedule Of Deferred Tax Assets And Liabilities | Temporary differences which gave rise to deferred tax assets and deferred tax liabilities on December 31, 2017 and 2016 were as follows:
(Dollars in thousands) |  | 2017 |  | 2016
Deferred tax assets: |  |  |  |  |  |
Loss reserves |  | $ | 91,390 |  |  | $ | 65,605 |
Employee benefits |  | 50,404 |  |  | 83,074 |
Equity investments |  | 28,547 |  |  | — |
Accrued expenses |  | 16,052 |  |  | 16,767 |
Capital loss carryforwards |  | — |  |  | 44,469 |
Credit carryforwards |  | 64,835 |  |  | 80,048 |
Federal loss carryforwards |  | 62,010 |  |  | 175 |
State loss carryforwards |  | 19,801 |  |  | 19,438 |
Investment in debt securities (ASC 320) (a) |  | 8,811 |  |  | 10,693 |
Other |  | 11,512 |  |  | 17,340 |
Gross deferred tax assets |  | 353,362 |  |  | 337,609 |
Valuation allowance |  | (147 | ) |  | (40,593 | )
Deferred tax assets after valuation allowance |  | $ | 353,215 |  |  | $ | 297,016 |
Deferred tax liabilities: |  |  |  |  |  |
Depreciation and amortization |  | 43,040 |  |  | 36,347 |
Equity investments |  | — |  |  | 12,196 |
Other intangible assets |  | 55,923 |  |  | 37,596 |
Prepaid expenses |  | 9,255 |  |  | 11,150 |
Real estate investment trust income |  | 22,576 |  |  | — |
Other |  | 602 |  |  | 114 |
Gross deferred tax liabilities |  | 131,396 |  |  | 97,403 |
Net deferred tax assets |  | $ | 221,819 |  |  | $ | 199,613 |
Certain previously reported amounts have been reclassified to agree with current presentation. (a) Tax effects of unrealized gains and losses are tracked on a security-by-security basis.
Schedule Of Rollforward Of Unrecognized Tax Benefits | The rollforward of unrecognized tax benefits is shown below:
(Dollars in thousands) |  |
Balance at December 31, 2015 |  | $ | 3,673 |
Increases related to prior year tax positions |  | 951 |
Increases related to current year tax positions |  | 27 |
Settlements |  | (407 | )
Balance at December 31, 2016 |  | $ | 4,244 |
Increases related to prior year tax positions |  | 33 |
Increases related to current year tax positions |  | 174 |
Lapse of statutes |  | (180 | )
Balance at December 31, 2017 |  | $ | 4,271 |

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