Consolidated Condensed Statements Of Condition - USD ($)		Mar. 31, 2016		Dec. 31, 2015		Mar. 31, 2015
Assets:
Cash and due from banks		$ 280,625,000		$ 300,811,000		$ 282,800,000
Federal funds sold		34,061,000		114,479,000		43,052,000
Securities purchased under agreements to resell (Note 15)		767,483,000		615,773,000		831,541,000
Total cash and cash equivalents		1,082,169,000		1,031,063,000		1,157,393,000
Interest-bearing cash		951,920,000		602,836,000		438,633,000
Trading securities		1,226,521,000		881,450,000		1,532,463,000
Loans held-for-sale	[1]	116,270,000		126,342,000		133,958,000
Securities available-for-sale (Note 3)		4,014,405,000	[2]	3,929,846,000		3,672,331,000	[3]
Securities held-to-maturity (Note 3)		14,326,000		14,320,000		4,299,000
Loans, net of unearned income (Note 4)	[4]	17,574,994,000		17,686,502,000		16,732,123,000
Less: Allowance for loan losses (Note 5)		204,034,000		210,242,000		228,328,000
Total net loans		17,370,960,000		17,476,260,000		16,503,795,000
Goodwill (Note 6)		191,307,000		191,307,000	[5]	145,932,000
Other intangible assets, net (Note 6)	[6]	24,915,000		26,215,000		28,220,000
Fixed income receivables		114,854,000		63,660,000		190,662,000
Premises and equipment, net		274,347,000		275,619,000		301,069,000
Real estate acquired by foreclosure	[7]	24,521,000		33,063,000		39,776,000
Derivative assets (Note 14)		165,007,000		104,365,000		148,153,000
Other assets		1,392,160,000		1,436,291,000		1,416,635,000
Total assets		26,963,682,000		26,192,637,000		25,713,319,000
Deposits:
Savings		7,921,344,000		7,811,191,000		7,428,000,000
Time deposits		763,897,000		788,487,000		792,914,000
Other interest-bearing deposits		5,371,864,000		5,388,526,000		4,939,240,000
Certificates of deposit $100,000 and more		553,534,000		443,389,000		417,503,000
Interest-bearing		14,610,639,000		14,431,593,000		13,577,657,000
Noninterest-bearing		5,717,195,000		5,535,885,000		5,060,897,000
Total deposits		20,327,834,000		19,967,478,000		18,638,554,000
Federal funds purchased		588,413,000		464,166,000		703,352,000
Securities sold under agreements to repurchase (Note 15)		425,217,000		338,133,000		309,297,000
Trading liabilities		738,653,000		566,019,000		813,141,000
Other short-term borrowings		96,723,000		137,861,000		158,745,000
Term borrowings		1,323,749,000		1,312,677,000		1,570,646,000
Fixed income payables		56,399,000		23,072,000		91,176,000
Derivative liabilities (Note 14)		146,297,000		108,339,000		133,273,000
Other liabilities		617,449,000		635,306,000		795,878,000
Total liabilities		24,320,734,000		23,553,051,000		23,214,062,000
First Horizon National Corporation Shareholders' Equity:
Preferred stock - Series A, non-cumulative perpetual, no par value, liquidation preference of $100,000 per share - (shares authorized - 1,000; shares issued - 1,000 on March 31, 2016, March 31, 2015 and December 31, 2015)		95,624,000		95,624,000		95,624,000
Common stock - $.625 par value (shares authorized - 400,000,000; shares issued - 232,547,029 on March 31, 2016; 233,498,534 on March 31, 2015 and 238,586,637 on December 31, 2015)		145,342,000		149,117,000		145,937,000
Capital surplus		1,371,397,000		1,439,303,000		1,370,711,000
Undivided profits		905,595,000		874,303,000		760,713,000
Accumulated other comprehensive loss, net (Note 8)		(170,441,000)		(214,192,000)		(169,159,000)
Total First Horizon National Corporation Shareholders' Equity		2,347,517,000		2,344,155,000		2,203,826,000
Noncontrolling interest		295,431,000		295,431,000		295,431,000
Total equity		2,642,948,000		2,639,586,000		2,499,257,000
Total liabilities and equity		$ 26,963,682,000		$ 26,192,637,000		$ 25,713,319,000

[1] March 31, 2016 and 2015 an d December 31, 2015 include $22.0 million , $23.8 million and $22.4 million, respectively, of held-for-sale consumer mortgage loans secured by residential re al estate in process of foreclosure.

[2] Includes $ 3 .1 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes.

[3] Includes $ 3.2 billion of securities pledged to secure public deposits, securities sold under agreements to repu rchase, and for other purposes .

[4] March 31, 2016 and 2015 and December 31, 2015 include $31.2 million , $28.0 million and $29.7 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.

[5] The increase in goodwill was related to the TAF acquisition in fourth quarter 2015.

[6] Represents customer lists, acquired contracts, core deposit intangibles, and covenants not to compete.

[7] March 31, 2016 and 2015 an d December 31, 2015 include $11.7 million , $17.5 million and $14.6 million, respectively, of foreclosed residential real estate.