Value of capital securities

No definition available.

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- Definition

Interest rate for capital securities stated in the contractual debt agreement.

+ References

No definition available.

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

+ Details

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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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Term Borrowings (Narrative) (Details) (USD $)	12 Months Ended
Term Borrowings (Narrative) (Details) (USD $)	Dec. 31, 2004	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Term borrowings		$ 1,880,105,000us-gaap_OtherLongTermDebt	$ 1,739,859,000us-gaap_OtherLongTermDebt
First Horizon National Corporation \| Capital Securities Series B
Debt Instrument [Line Items]
Debt Instrument Maturity Date	Apr. 15, 2034
First Horizon National Corporation \| Subordinated Debentures Subject To Mandatory Redemption [Member] \| Capital Securities Series B
Debt Instrument [Line Items]
Term borrowings	206,000,000
Debt Instrument Interest Rate Stated Percentage	6.30%
First Tennesee Capital II \| Capital Securities Series B
Debt Instrument [Line Items]
Capital securities value	200,000,000
Interest rate of capital securities	6.30%
Debt Instrument Maturity Date	Apr. 15, 2034