Consolidated Statements Of Comprehensive Income - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015		Jun. 30, 2014
Components Of Other Comprehensive Income/(Loss) [Abstract]
Net income/(loss)	$ 54,957,000	$ 81,929,000	$ (17,448,000)		$ 131,908,000
Unrealized fair value adjustments:
Securities available-for-sale	(20,100,000)	17,358,000	(2,096,000)		26,837,000
Recognized pension and other employee benefit plans net periodic benefit costs	1,011,000	650,000	2,094,000		1,061,000
Other comprehensive income/(loss)	(19,089,000)	18,008,000	(2,000)	[1]	27,898,000	[1]
Comprehensive income/(loss)	35,868,000	99,937,000	(17,450,000)		159,806,000
Comprehensive income attributable to noncontrolling interest	2,851,000	2,859,000	5,609,000		5,672,000
Comprehensive income/(loss) attributable to controlling interest	$ 33,017,000	$ 97,078,000	$ (23,059,000)		$ 154,134,000

[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.