Consolidated Condensed Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Interest income:
Interest and fees on loans	$ 161,117		$ 160,928		$ 322,694		$ 324,431
Interest on investment securities	25,971		31,250		52,277		60,442
Interest on loans held for sale	3,628		3,267		7,366		6,924
Interest on trading securities	9,622		11,224		19,058		22,068
Interest on other earning assets	397		88		843		497
Total interest income	200,735		206,757		402,238		414,362
Interest expense:
Savings	4,744		7,019		10,363		14,269
Time deposits	5,541		7,783		11,457		15,815
Other interest-bearing deposits	1,655		1,638		3,173		3,190
Certificates of deposit $100,000 and more	2,305		2,613		4,611		5,322
Interest on trading liabilities	2,843		4,102		5,358		7,893
Interest on short-term borrowings	1,150		1,468		2,515		3,009
Interest on term borrowings	9,822		9,274		20,157		19,249
Total interest expense	28,060		33,897		57,634		68,747
Net interest income	172,675		172,860		344,604		345,615
Provision for loan losses	15,000		1,000		23,000		2,000
Net interest income after provision for loan losses	157,675		171,860		321,604		343,615
Noninterest income:
Capital markets	74,913		77,921		181,656		167,978
Mortgage banking	9,889		32,101		33,230		59,827
Deposit transactions and cash management	30,123		34,726		58,864		67,005
Trust services and investment management	6,477		6,684		12,285		13,044
Brokerage management fees and commissions	8,759		7,662		17,255		15,817
Insurance commissions	830		764		1,398		1,453
Debt securities gains/(losses), net	0		1		328		772
Equity securities gains/(losses), net	5,065		0		5,065		27
Gain on divestiture	0		0		200		0
All other income and commissions (Note 7)	22,851		27,734		51,067		58,006
Total noninterest income	158,907		187,593		361,348		383,929
Adjusted gross income after provision for loan losses	316,582		359,453		682,952		727,544
Noninterest expense:
Employee compensation, incentives, and benefits	149,616		151,160		325,074		307,672
Repurchase and foreclosure provision	250,000		24,563		299,256		61,767
Legal and professional fees	8,417		20,451		14,484		38,803
Contract employment and outsourcing	10,844		8,142		21,959		15,030
Occupancy	11,486		13,061		23,605		27,922
Operations services	9,477		13,907		18,604		27,768
Equipment rentals, depreciation, and maintenance	7,789		8,481		15,405		16,371
Computer software	9,960		8,375		19,425		16,460
FDIC premium expense	6,801		8,839		13,137		16,894
Foreclosed real estate	1,908		5,803		6,078		12,592
Communications and courier	4,484		5,069		8,983		10,288
Amortization of intangible assets	979		1,006		1,952		2,012
Miscellaneous loan costs	1,298		859		2,625		2,351
All other expense (Note 7)	54,118		74,739		78,584		102,322
Total noninterest expense	527,177		344,455		849,171		658,252
Income/(loss)before income taxes	(210,595)		14,998		(166,219)		69,292
Provision/(benefit) for income taxes	(88,178)		(4,167)		(77,608)		7,995
Income/(loss) from continuing operations	(122,417)		19,165		(88,611)		61,297
Income/(loss) from discontinued operations, net of tax	487	[1]	3,671	[1]	52	[1]	4,541	[1]
Net income/(loss)	(121,930)		22,836		(88,559)		65,838
Net income/(loss) attributable to noncontrolling interest	2,844		2,844		5,688		5,688
Net income/(loss) available to common shareholders	$ (124,774)		$ 19,992		$ (94,247)		$ 60,150
Basic earnings/(loss) per share from continuing operations (Note 8)	$ (0.50)		$ 0.06		$ (0.38)		$ 0.21
Diluted earnings/(loss) per share from continuing operations (Note 8)	$ (0.50)		$ 0.06		$ (0.38)		$ 0.21
Basic earnings/(loss) per share available to common shareholders (Note 8)	$ (0.50)		$ 0.08		$ (0.38)		$ 0.23
Diluted earnings/(loss) per share available to common shareholders (Note 8)	$ (0.50)		$ 0.08		$ (0.38)		$ 0.23
Weighted average common shares (Note 8)	249,104		261,289		251,317		261,233
Diluted average common shares (Note 8)	249,104		262,756		251,317		263,690

[1] Due to the nature of the subsidiary preferred stock issued by First Horizon Preferred Funding, LLC, First Horizon Preferred Funding II, LLC, and FTBNA, all components of Other comprehensive income/(loss) have been attributed solely to FHN as the controlling interest holder.