CONSOLIDATED CONDENSED STATEMENTS OF EQUITY - USD ($) $ in Thousands		Total	Common Stock	Preferred Stock	Capital Surplus	Undivided Profits	Accumulated Other Comprehensive Income/(Loss)		Noncontrolling Interest
Balance, beginning of period (in shares) at Dec. 31, 2018			318,573,000
Balance, beginning of period at Dec. 31, 2018		$ 4,785,380	$ 199,108	$ 95,624	$ 3,029,425	$ 1,542,408	$ (376,616)	[1]	$ 295,431
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income/(loss)		103,405				100,585			2,820
Other comprehensive income/(loss)		55,465					55,465	[1]
Comprehensive income/(loss)		158,870				100,585	55,465	[1]	2,820
Cash dividends declared:
Preferred stock		(1,550)				(1,550)
Common stock		(44,864)				(44,864)
Common stock repurchased (in shares)	[2]		(3,594,000)
Common stock repurchased	[2]	(53,436)	$ (2,246)		(51,190)
Common stock issued for:
Stock options and restricted stock - equity awards (in shares)			382,000
Stock options and restricted stock - equity awards		520	$ 239		281
Stock-based compensation expense		5,432			5,432
Dividends declared - noncontrolling interest of subsidiary preferred stock		(2,820)							(2,820)
Balance, end of period (in shares) at Mar. 31, 2019			315,361,000
Balance, end of period at Mar. 31, 2019		4,846,521	$ 197,101	95,624	2,983,948	1,595,568	(321,151)	[1]	295,431
Balance, beginning of period (in shares) at Dec. 31, 2019			311,469,000
Balance, beginning of period at Dec. 31, 2019		5,076,008	$ 194,668	95,624	2,931,451	1,798,442	(239,608)	[3]	295,431
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income/(loss)		16,472				13,620			2,852
Other comprehensive income/(loss)		103,444					103,444	[3]
Comprehensive income/(loss)		119,916				13,620	103,444	[3]	2,852
Cash dividends declared:
Preferred stock		(1,550)				(1,550)
Common stock		(47,350)				(47,350)
Common stock repurchased (in shares)			(141,000)
Common stock repurchased		(2,064)	$ (88)		(1,976)
Common stock issued for:
Stock options and restricted stock - equity awards (in shares)			652,000
Stock options and restricted stock - equity awards		4,140	$ 407		3,733
Stock-based compensation expense		7,281			7,281
Dividends declared - noncontrolling interest of subsidiary preferred stock		(2,852)							(2,852)
Other (in shares)	[4]		(117,000)
Other	[4]	(1,892)	$ (73)		(1,819)
Balance, end of period (in shares) at Mar. 31, 2020			311,863,000
Balance, end of period at Mar. 31, 2020		$ 5,055,580	$ 194,914	$ 95,624	$ 2,938,670	$ 1,667,105	$ (136,164)	[3]	$ 295,431

[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.

[2] Includes $51.5 million repurchased under share repurchase programs.

[3] 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.

[4] Represents shares canceled in connection with the resolution of remaining Capital Bank Financial Corporation ("CBF") dissenters' appraisal process.