Consolidated Condensed Statements of Condition (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013		Mar. 31, 2013
Assets:
Cash and due from banks (Restricted - $ - on March 31, 2014; $.2 million on March 31, 2013; and $1.2 million on December 31, 2013)	$ 450,270		$ 349,216		$ 275,262
Federal funds sold	16,555		66,079		33,738
Securities purchased under agreements to resell (Note 16)	605,276		412,614		732,696
Total cash and cash equivalents (Restricted - $ - on March 31, 2014; $.2 million on March 31, 2013; and $1.2 million on December 31, 2013)	1,072,101		827,909		1,041,696
Interest-bearing cash	685,540		730,297		431,182
Trading securities	1,194,749		801,718		1,397,746
Loans held-for-sale	361,359		370,152		390,874
Securities available-for-sale (Note 3)	3,571,179	[1]	3,398,457		3,190,219	[2]
Securities held-to-maturity (Note 3)	4,274		0		0
Loans, net of unearned income (Restricted - $.1 billion on March 31, 2014; March 31, 2013; and December 31, 2013) (Note 4)	15,119,461		15,389,074		15,889,670
Less: Allowance for loan losses (Restricted - $2.0 million on March 31, 2014; $3.7 million on March 31, 2013; and $4.4 million on December 31, 2013) (Note 5)	247,246		253,809		265,218
Total net loans (Restricted - $.1 billion on March 31, 2014; March 31, 2013; and December 31, 2013)	14,872,215		15,135,265		15,624,452
Mortgage servicing rights (Note 6)	4,687		72,793		109,102
Goodwill (Note 7)	141,943		141,943		134,242
Other intangible assets, net (Note 7)	21,007	[3]	21,988	[3]	21,772	[3]
Capital markets receivables	51,082		45,255		169,927
Premises and equipment, net	299,183		305,244		299,740
Real estate acquired by foreclosure	66,035		71,562		54,672
Derivative assets (Note 15)	166,465		181,866		274,332
Other assets (Restricted - $.9 million on March 31, 2014; $1.6 million on March 31, 2013; and $1.9 million on December 31, 2013)	1,430,170		1,685,384		1,663,092
Total assets (Restricted - $.1 billion on March 31, 2014; March 31, 2013; and December 31, 2013)	23,941,989		23,789,833		24,803,048
Deposits:
Savings	6,630,142		6,732,326		6,498,832
Time deposits	898,223		951,755		988,375
Other interest-bearing deposits	4,071,699		3,859,079		3,740,257
Certificates of deposit $100,000 and more	538,434		553,957		522,958
Interest-bearing	12,138,498		12,097,117		11,750,422
Noninterest-bearing	4,534,245		4,637,839		4,454,045
Total deposits	16,672,743		16,734,956		16,204,467
Federal funds purchased	1,135,665		1,042,633		1,361,670
Securities sold under agreements to repurchase (Note 16)	411,795		442,789		488,010
Trading liabilities	667,257		368,348		781,306
Other short-term borrowings	204,023		181,146		186,898
Term borrowings (Restricted - $.1 billion on March 31, 2014; March 31, 2013; and December 31, 2013)	1,507,048		1,739,859		2,197,864
Capital markets payables	39,510		21,173		97,954
Derivative liabilities (Note 15)	137,863		154,280		199,999
Other liabilities	621,948		603,898		685,153
Total liabilities (Restricted - $.1 billion on March 31, 2014; March 31, 2013; and December 31, 2013)	21,397,852		21,289,082		22,203,321
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 March 31, 2014, March 31, 2013, and December 31, 2013)	95,624		95,624		95,624
Common stock - $.625 par value (shares authorized - 400,000,000; shares issued - 236,586,017 on March 31, 2014; 241,224,839 on March 31, 2013; and 236,369,554 on December 31, 2013)	147,866		147,731		150,766
Capital surplus	1,417,170		1,416,767		1,461,292
Undivided profits	728,165		695,207		748,427
Accumulated other comprehensive loss, net (Note 9)	(140,119)		(150,009)		(151,639)
Total First Horizon National Corporation Shareholders' Equity	2,248,706		2,205,320		2,304,470
Noncontrolling interest	295,431		295,431		295,257
Total equity	2,544,137		2,500,751		2,599,727
Total liabilities and equity	$ 23,941,989		$ 23,789,833		$ 24,803,048

[1] Includes $3.3 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes.

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

[3] Represents customer lists, acquired contracts, core deposit intangibles, and covenants not to compete.