Consolidated Condensed Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Consolidated Condensed Statements Of Comprehensive Income [Abstract]
Net income	$ 33,371		$ 43,003
Securities available for sale	7		(6,028)
Recognized pension and other employee benefit plans net periodic benefit costs	5,536		3,195
Other comprehensive income/(loss)	5,543	[1]	(2,833)	[1]
Comprehensive income/(loss)	38,914		40,170
Comprehensive income attributable to noncontrolling interest	2,844		2,844
Comprehensive income attributable to controlling interest	$ 36,070		$ 37,326

[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.