Consolidated Condensed Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013
Components Of Other Comprehensive Income/(Loss) [Abstract]
Net income/(loss)	$ 81,180	$ 45,236	$ 130,410		$ 90,205
Unrealized fair value adjustments:
Securities available-for-sale	17,358	(39,152)	26,837		(45,811)
Recognized pension and other employee benefit plans net periodic benefit costs	650	2,126	1,061		3,489
Other comprehensive income/(loss)	18,008	(37,026)	27,898	[1]	(42,322)	[1]
Comprehensive income/(loss)	99,188	8,210	158,308		47,883
Comprehensive income attributable to noncontrolling interest	2,859	2,843	5,672		5,656
Comprehensive income/(loss) attributable to controlling interest	$ 96,329	$ 5,367	$ 152,636		$ 42,227

[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.