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Financial Information (Policy) | 3 Months Ended
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Mar. 31, 2014
Financial Information [Abstract] |
Basis Of Accounting | Basis of Accounting. The unaudited interim consolidated condensed financial statements of First Horizon National Corporation (“FHN”), including its subsidiaries, have been prepared in conformity with accounting principles generally accepted in the United States of America and follow general practices within the industries in which it operates. This preparation requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. These estimates and assumptions are based on information available as of the date of the financial statements and could differ from actual results. In the opinion of management, all necessary adjustments have been made for a fair presentation of financial position and results of operations for the periods presented. These adjustments are of a normal recurring nature unless otherwise disclosed in th is Quarterly Report on Form 10-Q. The operat ing results for the interim 2014 period are not necessarily indicative of the results that may be expected going forward. For further information, refer to the audited consolidated financial statements in the 2013 Annual Report to shareholders, which were filed as Exhibit 13 to FHN's Annual Report on Form 10-K for the year ended December 31, 2013.
Summary of Accounting Changes | Summary of Accounting Change s. Effective Jan u a ry 2014, FHN adopted provisions of FASB ASU 2013-11“Income Taxes: Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists.” ASU 2013-11 provides guidance on the financial statement presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. Generally, ASU 2013-11 requires that an unrecognized tax benefit should reduce a deferred tax asset (“DTA”) that has been established for a net operating loss (“NOL”), a tax credit carryforward, or other similar tax losses. However, if a filer does not have such carryforwards or similar tax losses at the reporting date, the uncertain tax position should be recorded as a liability. If a filer does have a DTA, but is not required by tax law of the applicable jurisdiction to use the DTA to settle additional taxes from the disallowance of a tax position and that is the filers' intent, the uncertain tax position should be recognized as a liability in that situation as well and not netted with the DTA. The assessment of whether a DTA is available is based on the unrecognized tax benefit and DTA that exist at the reporting date and should be made presuming disallowance of the tax position at the reporting date. The adoption of provisions of ASU 2013-11, did not have a material effect on FHN's statement of condition, results of operations, or cash flows.
Accounting Changes Issued but Not Currently Effective | Accounting Changes Issued but Not Currently Effective. In January 2014, the FASB issued ASU 2014-01, “Equity Method and Joint Ventures: Accounting for Investments in Qualified Affordable Housing Projects.” ASU 2014-01 permits reporting entities to make an accounting policy election to account for their investments in qualified affordable housing projects using a proportional amortization method if certain conditions are met. Under the proportional amortization method, an entity amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits received and recognizes the net investment performance in the income statement as a component of income tax expense/(benefit). A reporting entity should evaluate whether the conditions have been met to apply the proportional amortization method to an investment in a qualified affordable housing project through a limited liability entity at the time of initial investment on the basis of facts and circumstances that exist at that time. A reporting entity should reevaluate the conditions upon the occurrence of certain specified events. An investment in a qualified affordable housing project through a limited liability entity should be tested for impairment when there are events or changes in circumstances indicating that it is more likely than not that the carrying amount of the investment will not be realized. For those investments in qualified affordable housing projects not accounted for using the proportional amortization method, the investment should be accounted for as an equity method investment or a cost method investment. The decision to apply the proportional amortization method of accounting is an accounting policy decision that should be applied consistently to all qualifying affordable housing project investments rather than a decision to be applied to individual investments. The provisions of ASU 2014-01 are effective for annual periods, and interim reporting periods within those annual periods, beginning after December 15, 2014, and will be applied retrospectively to all periods presented. Early adoption is permitted. FHN is evaluating the effects of ASU 2014-01 on its portfolio of low income housing investments. In January 2014, the FASB issued ASU 2014-04, “Receivables—Troubled Debt Restructurings by Creditors: Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure.” ASU 2014-04 clarifies that an in-substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either (1) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure or (2) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction. ASU 2014-04 is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2014. An entity can elect to adopt ASU 2014-04 using either a modified retrospective transition method or a prospective transition method. Under the modified retrospective transition method, an entity should apply ASU 2014-04 by means of a cumulative-effect adjustment to residential consumer mortgage loans and foreclosed residential real estate properties existing as of the beginning of the annual period for which the amendments are effective. Early adoption is permitted. FHN is evaluating the requirements of ASU 2014-04 with respect to its current foreclosure accounting practices.

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