Acquisitions And Divestitures	9 Months Ended
Sep. 30, 2011
Acquisitions And Divestitures [Abstract]
Acquisitions And Divestitures	Note 2 – Acquisitions and Divestitures During third quarter 2011, FHN sold First Horizon Msaver, Inc. ("Msaver"), the former subsidiary of First Tennessee Bank, which provided administrative services for health savings accounts. FHN recognized after-tax gains of $5.7 million related to the sale of Msaver. In first quarter 2011, FHN contracted to sell First Horizon Insurance, Inc. ("FHI"), the former subsidiary of First Tennessee Bank, a property and casualty insurance agency that serves customers in over 40 states and Highland Capital Management Corporation ("Highland"), the former subsidiary of First Horizon National Corporation which provides trust and asset management services. The FHI and Highland divestitures closed in second quarter 2011. In connection with the agreement to sell FHI, FHN incurred a pre-tax goodwill impairment of $10.1 million which was more than offset by $11.1 million of tax benefits recognized in first quarter. Upon closing of the FHI and Highland sales in second quarter 2011, FHN recognized $4.2 million after-tax gains on the sales. The financial results of these businesses, the goodwill impairment, the gains on sales, and associated tax effects are reflected in the Income/(loss) from discontinued operations, net of tax line on the Consolidated Condensed Statements of Income for all periods presented. In first quarter 2010, FHN exited its institutional research business, FTN Equity Capital Markets ("FTN ECM"), and incurred a pre-tax goodwill impairment of $3.3 million (approximately $2.0 million after taxes). FHN exited this business through an immediate cessation of operations on February 1, 2010. Additional charges, primarily representing severance and contract terminations, of $6.1 million are included within the Income/(loss) from discontinued operations, net of tax line on the Consolidated Condensed Statements of Income in first quarter 2010 and relate to the effects of closing FTN ECM. These charges are included with the amounts described in Note 17 – Restructuring, Repositioning, and Efficiency. FHN had initially reached an agreement for the sale of this business which resulted in a pre-tax goodwill impairment of $14.3 million (approximately $9 million after taxes) in 2009; however, the contracted sale failed to close and was terminated in early 2010. The financial results of this business, including the goodwill impairments, are reflected in the Income/(loss) from discontinued operations, net of tax line on the Consolidated Condensed Statements of Income for all periods presented. In addition to the divestitures mentioned above, FHN acquires or divests assets from time to time in transactions that are considered business combinations or divestitures but are not material to FHN individually or in the aggregate.

Acquisitions And Divestitures

9 Months Ended

Sep. 30, 2011

Acquisitions And Divestitures [Abstract]

Note 2 – Acquisitions and Divestitures

During third quarter 2011, FHN sold First Horizon Msaver, Inc. ("Msaver"), the former subsidiary of First Tennessee Bank, which provided administrative services for health savings accounts. FHN recognized after-tax gains of $5.7 million related to the sale of Msaver. In first quarter 2011, FHN contracted to sell First Horizon Insurance, Inc. ("FHI"), the former subsidiary of First Tennessee Bank, a property and casualty insurance agency that serves customers in over 40 states and Highland Capital Management Corporation ("Highland"), the former subsidiary of First Horizon National Corporation which provides trust and asset management services. The FHI and Highland divestitures closed in second quarter 2011. In connection with the agreement to sell FHI, FHN incurred a pre-tax goodwill impairment of $10.1 million which was more than offset by $11.1 million of tax benefits recognized in first quarter. Upon closing of the FHI and Highland sales in second quarter 2011, FHN recognized $4.2 million after-tax gains on the sales. The financial results of these businesses, the goodwill impairment, the gains on sales, and associated tax effects are reflected in the Income/(loss) from discontinued operations, net of tax line on the Consolidated Condensed Statements of Income for all periods presented.

In first quarter 2010, FHN exited its institutional research business, FTN Equity Capital Markets ("FTN ECM"), and incurred a pre-tax goodwill impairment of $3.3 million (approximately $2.0 million after taxes). FHN exited this business through an immediate cessation of operations on February 1, 2010. Additional charges, primarily representing severance and contract terminations, of $6.1 million are included within the Income/(loss) from discontinued operations, net of tax line on the Consolidated Condensed Statements of Income in first quarter 2010 and relate to the effects of closing FTN ECM. These charges are included with the amounts described in Note 17 – Restructuring, Repositioning, and Efficiency. FHN had initially reached an agreement for the sale of this business which resulted in a pre-tax goodwill impairment of $14.3 million (approximately $9 million after taxes) in 2009; however, the contracted sale failed to close and was terminated in early 2010. The financial results of this business, including the goodwill impairments, are reflected in the Income/(loss) from discontinued operations, net of tax line on the Consolidated Condensed Statements of Income for all periods presented.

In addition to the divestitures mentioned above, FHN acquires or divests assets from time to time in transactions that are considered business combinations or divestitures but are not material to FHN individually or in the aggregate.