Consolidated Condensed Statements Of Condition (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012		Sep. 30, 2012
Assets:
Cash and due from banks (Restricted - $1.5 million on September 30, 2013; $.6 million on September 30, 2012; and $ - on December 31, 2012)	$ 395,631		$ 469,879		$ 355,978
Federal funds sold	52,830		34,492		12,425
Securities purchased under agreements to resell (Note 16)	576,355		601,891		517,263
Total cash and cash equivalents (Restricted - $1.5 million on September 30, 2013; $.6 million on September 30, 2012; and $ - on December 31, 2012)	1,024,816		1,106,262		885,666
Interest-bearing cash	184,179		353,373		440,916
Trading securities	1,343,134		1,262,720		1,204,366
Loans held-for-sale	371,640		401,937		410,550
Securities available-for-sale (Note 3)	3,186,943	[1]	3,061,808		3,123,629	[2]
Loans, net of unearned income (Restricted - $.1 billion on September 30, 2013; September 30, 2012; and December 31, 2012) (Note 4)	15,408,556		16,708,582		16,523,783
Less: Allowance for loan losses (Restricted - $3.2 million on September 30, 2013; $4.4 million on September 30, 2012; and $4.3 million on December 31, 2012) (Note 4)	255,710		276,963		281,744
Total net loans (Restricted - $.1 billion on September 30, 2013; September 30, 2012; and December 31, 2012)	15,152,846		16,431,619		16,242,039
Mortgage servicing rights (Note 5)	116,686		114,311		120,537
Goodwill (Note 6)	140,479		134,242		134,242
Other intangible assets, net (Note 6)	22,216	[3]	22,700	[3]	23,679	[3]
Capital markets receivables	417,743		303,893		791,190
Premises and equipment, net	308,779		303,273		305,346
Real estate acquired by foreclosure	71,626		60,690		70,779
Derivative assets (Note 15)	215,116		292,472		334,025
Other assets (Restricted - $1.4 million on September 30, 2013; $1.9 million on September 30, 2012 and December 31, 2012)	1,637,138		1,670,840		1,652,866
Total assets (Restricted - $.1 billion on September 30, 2013; September 30, 2012; and December 31, 2012)	24,193,341		25,520,140		25,739,830
Deposits:
Savings	6,781,522		6,705,496		6,608,534
Time deposits	997,726		1,019,938		1,063,380
Other interest-bearing deposits	3,494,236		3,798,313		3,468,367
Certificates of deposit $100,000 and more	575,679		503,490		518,717
Interest-bearing	11,849,163		12,027,237		11,658,998
Noninterest-bearing	4,434,746		4,602,472		4,569,113
Total deposits	16,283,909		16,629,709		16,228,111
Federal funds purchased	1,062,901		1,351,023		1,350,806
Securities sold under agreements to repurchase (Note 16)	427,232		555,438		443,370
Trading liabilities	585,969		564,429		516,970
Other short-term borrowings	303,686		441,201		856,958
Term borrowings (Restricted - $.1 billion on September 30, 2013; September 30, 2012; and December 31, 2012)	1,771,288		2,226,482		2,263,238
Capital markets payables	388,373		296,450		574,201
Derivative liabilities (Note 15)	165,918		202,269		225,084
Other liabilities	770,772		743,933		749,204
Total liabilities (Restricted - $.1 billion on September 30, 2013; September 30, 2012; and December 31, 2012)	21,760,048		23,010,934		23,207,942
First Horizon National Corporation Shareholders' Equity:
Preferred stock - Series A, non-cumulative perpetual, no par value, liquidation preference of $100,000 per share - (shares authorized - 1,000; shares issued - 1,000 on September 30, 2013; - on September 30, 2012 and December 31, 2012)	95,624		0		0
Common stock - $.625 par value (shares authorized - 400,000,000; shares issued - 236,328,090 on September 30, 2013; 247,133,973 on September 30, 2012; and 243,597,780 on December 31, 2012)	147,705		152,249		154,459
Capital surplus	1,413,248		1,488,463		1,517,488
Undivided profits	657,676		719,672		681,460
Accumulated other comprehensive loss, net (Note 8)	(176,391)		(146,343)		(116,684)
Total First Horizon National Corporation Shareholders' Equity	2,137,862		2,214,041		2,236,723
Noncontrolling interest	295,431		295,165		295,165
Total equity	2,433,293		2,509,206		2,531,888
Total liabilities and equity	$ 24,193,341		$ 25,520,140		$ 25,739,830

[1] Includes $2.9 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes.

[2] Includes $2.8 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes.

[3] Represents customer lists, acquired contracts, premium on purchased deposits, and covenants not to compete.