Loan Sales And Securitizations (Schedule Of Cash Flows Related To Loan Sales And Securitizations) (Details) (USD $)	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Proceeds from initial sales	$ 77,297,000		$ 145,913,000	[1]	$ 178,045,000		$ 339,736,000	[1]
Servicing fees retained	14,262,000	[2]	17,304,000	[2]	47,488,000	[2]	58,639,000	[2]
Purchases of GNMA guaranteed mortgages	22,434,000		7,162,000		85,149,000		45,073,000
Purchases of previously transferred financial assets	191,318,000	[3],[4]	60,760,000	[3]	333,236,000	[3],[4]	202,396,000	[3],[4]
Other cash flows received on retained interests	1,696,000		2,117,000		6,915,000		6,205,000
Proceeds related to bulk sales of non performing permanent mortgages			89,200,000				89,200,000
Fhn [Member]
Purchases of previously transferred financial assets	$ 99,300,000				$ 99,300,000		$ 32,700,000

[1] Includes $89.2 million of proceeds related to a bulk sale of nonperforming permanent mortgages in third quarter 2011.

[2] Includes servicing fees on MSR associated with loan sales and purchased MSR.

[3] Includes repurchases of delinquent and performing loans, foreclosed assets, and make-whole payments for economic losses incurred by purchaser. Also includes buyouts from GSEs in order to facilitate foreclosures.

[4] Three and nine months ended September 30, 2012 and nine months ended September 30, 2011 includes $99.3 million and $32.7 million, respectively, of cash paid related to clean-up calls exercised by FHN.