Consolidated Condensed Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012		Sep. 30, 2011
Consolidated Condensed Statements Of Comprehensive Income [Abstract]
Net income/(loss)	$ 28,682	$ 38,980	$ (59,877)		$ 104,818
Securities available for sale	243	21,290	(3,147)		33,992
Recognized pension and other employee benefit plans net periodic benefit costs	5,655	3,665	16,619		10,001
Other comprehensive income/(loss)	5,898	24,955	13,472	[1]	43,993	[1]
Comprehensive income/(loss)	34,580	63,935	(46,405)		148,811
Comprehensive income attributable to noncontrolling interest	2,875	2,875	8,563		8,563
Comprehensive income (loss) attributable to controlling interest	$ 31,705	$ 61,060	$ (54,968)		$ 140,248

[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.