Earnings Per Share (Schedule Of Reconciliation Of The Numerators Used In Calculating Earnings/(Loss) Per Share) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Earnings Per Share [Abstract]
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 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
Net income/(loss) from continuing operations available to common shareholders	$ (125,261)		$ 16,321		$ (94,299)		$ 55,609

[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.