Consolidated Condensed Statements Of Comprehensive Income - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Components Of Other Comprehensive Income/(Loss) [Abstract]
Net income/(loss)	$ 63,332,000	$ 50,498,000	$ 45,884,000		$ 182,406,000
Unrealized fair value adjustments:
Securities available-for-sale	15,427,000	(11,288,000)	13,331,000		15,549,000
Recognized pension and other employee benefit plans net periodic benefit costs	(3,855,000)	564,000	(1,761,000)		1,625,000
Other comprehensive income/(loss)	11,572,000	(10,724,000)	11,570,000	[1]	17,174,000	[1]
Comprehensive income/(loss)	74,904,000	39,774,000	57,454,000		199,580,000
Comprehensive income attributable to noncontrolling interest	2,977,000	2,875,000	8,586,000		8,547,000
Comprehensive income/(loss) attributable to controlling interest	$ 71,927,000	$ 36,899,000	$ 48,868,000		$ 191,033,000

[1] Due to the nature of the preferred stock issued by FHN and its subsidiaries, all components of Other comprehensive income/(loss) have been attributed solely to FHN as the controlling interest holder.