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
	Mar. 31, 2013		Mar. 31, 2012
Earnings Per Share [Abstract]
Income/(loss) from continuing operations	$ 44,539		$ 33,806
Income/(loss) from discontinued operations, net of tax	430	[1]	(435)	[1]
Net income/(loss)	44,969		33,371
Net income attributable to noncontrolling interest	2,813		2,844
Net income/(loss) attributable to controlling interest	42,156		30,527
Preferred stock dividends	1,188		0
Net income/(loss) available to common shareholders	40,968		30,527
Net income/(loss) from continuing operations available to common shareholders	$ 40,538		$ 30,962

[1] Due to the nature of the preferred stock issued by FHN and its subsidiaries, all components of Income/(loss) from discontinued operations, net of tax have been attributed solely to FHN as the controlling interest holder.