Consolidated Condensed Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Interest income:
Interest and fees on loans	$ 163,813		$ 162,340		$ 486,507		$ 486,771
Interest on investment securities	24,136		30,007		76,413		90,449
Interest on loans held for sale	3,808		5,126		11,174		12,050
Interest on trading securities	8,392		10,765		27,450		32,834
Interest on other earning assets	367		122		1,210		618
Total interest income	200,516		208,360		602,754		622,722
Interest expense:
Savings	4,764		6,773		15,127		21,042
Time deposits	5,169		7,096		16,626		22,911
Other interest-bearing deposits	1,455		1,650		4,628		4,841
Certificates of deposit $100,000 and more	1,975		2,328		6,586		7,650
Interest on trading liabilities	2,556		3,703		7,914		11,595
Interest on short-term borrowings	1,443		1,389		3,958		4,397
Interest on term borrowings	9,689		9,081		29,846		28,331
Total interest expense	27,051		32,020		84,685		100,767
Net interest income	173,465		176,340		518,069		521,955
Provision for loan losses	40,000		32,000		63,000		34,000
Net interest income after provision for loan losses	133,465		144,340		455,069		487,955
Noninterest income:
Capital markets	80,773		99,557		262,429		267,535
Mortgage banking	10,373		12,751		43,603		72,578
Deposit transactions and cash management	30,352		35,701		89,216		102,706
Trust services and investment management	6,055		6,086		18,340		19,130
Brokerage management fees and commissions	8,699		9,576		25,954		25,393
Insurance commissions	946		739		2,344		2,192
Debt securities gains/(losses), net	0		0		328		772
Equity securities gains/(losses), net	0		35,162		5,065		35,189
Gain on divestiture	0		0		200		0
All other income and commissions (Note 7)	26,340		21,315		77,407		79,321
Total noninterest income	163,538		220,887		524,886		604,816
Adjusted gross income after provision for loan losses	297,003		365,227		979,955		1,092,771
Noninterest expense:
Employee compensation, incentives, and benefits	153,970		153,540		479,044		461,212
Repurchase and foreclosure provision	0		52,791		299,256		114,557
Legal and professional fees	12,295		18,132		26,779		56,935
Contract employment and outsourcing	10,187		14,352		32,146		29,382
Occupancy	13,059		13,523		36,664		41,445
Operations services	8,702		11,978		27,306		39,746
Equipment rentals, depreciation, and maintenance	7,931		8,795		23,336		25,166
Computer software	10,260		8,689		29,685		25,149
FDIC premium expense	7,532		5,904		20,669		22,798
Foreclosed real estate	2,968		4,691		9,046		17,283
Communications and courier	4,722		4,428		13,705		14,716
Amortization of intangible assets	979		1,004		2,931		3,016
Miscellaneous loan costs	577		959		3,202		3,310
All other expense (Note 7)	29,987		23,922		108,571		126,245
Total noninterest expense	263,169		322,708		1,112,340		980,960
Income/(loss)before income taxes	33,834		42,519		(132,385)		111,811
Provision/(benefit) for income taxes	5,260		8,367		(72,348)		16,362
Income/(loss) from continuing operations	28,574		34,152		(60,037)		95,449
Income/(loss) from discontinued operations, net of tax	108	[1]	4,828	[1]	160	[1]	9,369	[1]
Net income/(loss)	28,682		38,980		(59,877)		104,818
Net income attributable to noncontrolling interest	2,875		2,875		8,563		8,563
Net income/(loss) available to common shareholders	$ 25,807		$ 36,105		$ (68,440)		$ 96,255
Basic earnings/(loss) per share from continuing operations (Note 8)	$ 0.10		$ 0.12		$ (0.27)		$ 0.33
Diluted earnings/(loss) per share from continuing operations (Note 8)	$ 0.10		$ 0.12		$ (0.27)		$ 0.33
Basic earnings/(loss) per share available to common shareholders (Note 8)	$ 0.10		$ 0.14		$ (0.27)		$ 0.37
Diluted earnings/(loss) per share available to common shareholders (Note 8)	$ 0.10		$ 0.14		$ (0.27)		$ 0.37
Weighted average common shares (Note 8)	246,628		261,284		249,742		261,250
Diluted average common shares (Note 8)	248,306		262,803		249,742		263,697

[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 Income/(loss) from discontinued operations, net of tax have been attributed solely to FHN as the controlling interest holder.