Consolidated Condensed Statements Of Condition (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012		Dec. 31, 2011	Mar. 31, 2011
Assets:
Cash and due from banks (Restricted-$1.7 million on March 31, 2012; $4.9 million on March 31, 2011; and $4.9 million on December 31, 2011)	$ 349,604		$ 384,667	$ 337,002
Federal funds sold and securities purchased under agreements to resell	614,705		443,588	527,563
Total cash and cash equivalents (Restricted-$1.7 million on March 31, 2012; $4.9 million on March 31, 2011; and $4.9 million on December 31, 2011)	964,309		828,255	864,565
Interest-bearing cash	761,098		452,856	308,636
Trading securities	1,238,041		988,217	924,854
Loans held-for-sale	431,905		413,897	370,487
Securities available-for-sale (Note 3)	3,296,603	[1]	3,066,272	3,085,478	[2]
Loans, net of unearned income (Restricted-$.2 billion on March 31, 2012; $.7 billion on March 31, 2011; and $.6 billion on December 31, 2011) (Note 4)	15,971,330	[3],[4]	16,397,127	15,972,372	[3],[4]
Less: Allowance for loan losses (Restricted-$10.4 million on March 31, 2012; $39.8 million on March 31, 2011; and $31.8 million on December 31, 2011) (Note 4)	346,016	[3],[4]	384,351	589,128	[3],[4]
Total net loans (Restricted-$.1 billion on March 31, 2012; $.7 billion on March 31, 2011; and $.6 billion on December 31, 2011)	15,625,314		16,012,776	15,383,244
Mortgage servicing rights (Note 5)	142,956		144,069	207,748
Goodwill (Note 6)	134,242		133,659	152,080
Other intangible assets, net (Note 6)	25,638		26,243	31,545
Capital markets receivables	522,001		164,987	595,594
Premises and equipment, net	314,903		321,253	320,871
Real estate acquired by foreclosure	78,947		85,244	110,127
Other assets (Restricted-$4.5 million on March 31, 2012; $16.7 million on March 31, 2011; and $13.4 million on December 31, 2011)	2,143,012		2,151,656	2,083,115
Total assets (Restricted-$.2 billion on March 31, 2012; $.7 billion on March 31, 2011; and $.6 billion on December 31, 2011)	25,678,969		24,789,384	24,438,344
Liabilities and equity:
Savings	6,615,289		6,624,405	6,296,533
Time deposits	1,142,249		1,173,375	1,336,666
Other interest-bearing deposits	3,500,445		3,193,697	2,679,437
Certificates of deposit $100,000 and more	707,590		608,518	557,918
Interest-bearing	11,965,573		11,599,995	10,870,554
Noninterest-bearing (Restricted- $1.1 million on March 31, 2011; and $-on March 31, 2012 and December 31, 2011)	4,969,597		4,613,014	4,480,413
Total deposits (Restricted- $1.1 million on March 31, 2011; and $-on March 31, 2012 and December 31, 2011)	16,935,170		16,213,009	15,350,967
Federal funds purchased and securities sold under agreements to repurchase	1,801,234		1,887,052	2,125,793
Trading liabilities	567,571		347,285	384,250
Other short-term borrowings	181,570		172,550	237,583
Term borrowings (Restricted-$.2 billion on March 31, 2012; $.7 billion on March 31, 2011; and $.6 billion on December 31, 2011)	2,340,706		2,481,660	2,514,754
Capital markets payables	361,018		164,708	413,334
Other liabilities (Restricted- $-on March 31, 2012, $.1 million on March 31, 2011; and $.1 million on December 31, 2011)	817,527		838,483	771,606
Total liabilities (Restricted-$.2 billion on March 31, 2012; $.7 billion on March 31, 2011; and $.6 billion on December 31, 2011)	23,004,796		22,104,747	21,798,287
Equity:
Common stock-$.625 par value (shares authorized-400,000,000; shares issued-252,666,860 on March 31, 2012; 263,335,004 on March 31, 2011; and 257,468,092 on December 31, 2011)	157,917		160,918	164,584
Capital surplus	1,560,343		1,601,346	1,636,623
Undivided profits	785,361		757,364	674,064
Accumulated other comprehensive loss, net	(124,613)		(130,156)	(130,379)
Total First Horizon National Corporation Shareholders' Equity	2,379,008		2,389,472	2,344,892
Noncontrolling interest	295,165		295,165	295,165
Total equity	2,674,173		2,684,637	2,640,057
Total liabilities and equity	$ 25,678,969		$ 24,789,384	$ 24,438,344

[1] Includes $2.8 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes. Of this amount, $.4 billion was pledged as collateral for securities sold under repurchase agreements.

[2] Includes $2.8 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes. Of this amount, $.9 bilion was pledged as collateral for securities sold under repurchase agreements.

[3] Balances as of March 31, 2012 and 2011 include $20.1 million and $36.5 million of reserves, respectively, and $467.0 million and $672.4 million of balances in restricted consumer real estate loans and secured borrowings, respectively.

[4] Balances as of March 31, 2012 and 2011 include $5.4 million and $3.3 million of reserves, respectively, and $38.0 million and $49.9 million of balances in restricted permanent mortgage loans and secured borrowings, respectively.