Debt Instrument, Redemption Period Required Notice, Maximum

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- Definition

Debt Instrument, Redemption Period Required Notice, Minimum

+ References

No definition available.

+ Details

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- Definition

Depository Shares Issued

+ References

No definition available.

+ Details

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- Definition

Depository Shares Issued, Price Per Share

+ References

No definition available.

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- Definition

Depository Shares to Preferred Stock Ratio

+ References

No definition available.

+ Details

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- Definition

Proceeds from Issuance of Depository Shares

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The number of days the underwriters have the option to exercise their overallotment option from the closing date.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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Balance Type:	credit
Period Type:	instant

- 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

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph e

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

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- Definition

Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

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Balance Type:	debit
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SUBSEQUENT EVENTS Subsequent Events (Details) (USD $)	0 Months Ended	3 Months Ended	0 Months Ended
SUBSEQUENT EVENTS Subsequent Events (Details) (USD $)	Apr. 08, 2015	Mar. 31, 2015	Apr. 06, 2015
Subsequent Event
Subsequent Event [Line Items]
Underwriters option period	30 days
Senior Notes
Subsequent Event [Line Items]
Minimum redemption period notice required		30 days
Maximum redemption period notice required		60 days
Redemption price, percentage		100.00%
Senior Notes \| Five Point Two Five Percent Senior Notes Due April 15, 2025 \| Subsequent Event
Subsequent Event [Line Items]
Aggregate principal amount issued			$ 175,000,000
Stated interest rate			5.25%
Proceeds from issuance of debt			172,800,000
Minimum redemption period notice required			30 days
Maximum redemption period notice required			60 days
Redemption price, percentage			10000.00%
Underwritten Public Offering \| Subsequent Event
Subsequent Event [Line Items]
Depository shares issued	4,000,000
Price per share of depository shares (in usd per share)	25.00
Proceeds from issuance of depository shares	96,900,000
Over Allotment Option \| Subsequent Event
Subsequent Event [Line Items]
Depository shares issued	600,000
Proceeds from issuance of depository shares	14,500,000
Series D Preferred Stock \| Subsequent Event
Subsequent Event [Line Items]
Depository shares to preferred stock ratio	2.50%
Series D Preferred Stock \| Underwritten Public Offering \| Subsequent Event
Subsequent Event [Line Items]
Depository shares to preferred stock ratio	2.50%
Non cumulative preferred stock, dividend rate	7.375%
Liquidation preference value	1,000