The cash outflow, on a per share basis, to reacquire preferred stock during the period.

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The percentage base rate used to calculated floating rate dividend payments on preferred stock.

+ References

No definition available.

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- Definition

The cash outflow to reacquire preferred stock during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

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- Definition

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

+ References

No definition available.

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Aggregate dividends paid during the period for each share of preferred stock outstanding.

+ References

No definition available.

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Aggregate dividends declared during the period for each share of preferred stock outstanding.

+ References

No definition available.

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- Definition

The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 3

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-Number 210

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-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(d)(1))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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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.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Subparagraph (SX 210.5-02.28)

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

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- Definition

The excess of (1) fair value of the consideration transferred to the holders of the preferred stock over (2) the carrying amount of the preferred stock in the registrant's balance sheet, during the accounting period.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section S99

-Paragraph 2

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The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

+ References

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Publisher FASB

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-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30, 31

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Number of stock bought back by the entity at the exercise price or redemption price.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

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-Paragraph 2

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

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SHAREHOLDERS' EQUITY (DETAILS 3) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended			1 Months Ended				6 Months Ended		1 Months Ended		0 Months Ended		1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013	Dec. 17, 2012	Mar. 31, 2012	Oct. 31, 2005	Jun. 30, 2013	Jul. 15, 2013	Apr. 30, 2013	Nov. 30, 2005	Jan. 15, 2013	Mar. 03, 2014	May 31, 2013
Class of Stock [Line Items]
Loss on repurchase of preferred shares	$ 0us-gaap_PreferredStockRedemptionPremium	$ 3,081us-gaap_PreferredStockRedemptionPremium	$ 14,009us-gaap_PreferredStockRedemptionPremium
Preferred shares, aggregate liquidation value outstanding	627,843	627,843
Aggregate cash payment to acquire preferred shares	0	100,000	404,073
Series A 7.25% Preferred Shares [Member]
Class of Stock [Line Items]
Preferred shares, aggregate liquidation value issued							250,000
Preferred shares, dividend rate								7.25%
Preferred shares, aggregate liquidation preference repurchased				100,000		150,000
Preferred shares, par value per share				$ 0.0125				$ 0.0125
Preferred shares, liquidation preference per share				$ 25.00				$ 25.00
Preferred shares, dividend declared per share			$ 1.8125		$ 0.4531			$ 0.9063
Preferred shares, dividends paid per share			$ 1.8125						$ 1.3594
Preferred shares, number of shares repurchased				4,000,000		6,000,000
Loss on repurchase of preferred shares				3,000		5,000
Series B 7.50% Preferred Shares [Member]
Class of Stock [Line Items]
Preferred shares, aggregate liquidation value issued											250,000
Preferred shares, dividend rate	7.50%
Preferred shares, par value per share	$ 0.0125
Preferred shares, liquidation preference per share	$ 100.00
Preferred shares, redemption price per share	$ 100.00
Preferred shares, floating dividend rate base	3.4525%
Preferred shares, dividend declared per share	$ 7.50	$ 7.50	$ 7.50
Preferred shares, dividends paid per share	$ 7.50	$ 7.50	$ 7.50
Preferred shares, number of shares repurchased										2,471,570
Loss on repurchase of preferred shares										9,000
Preferred shares, number of shares outstanding	28,430
Preferred shares, aggregate liquidation value outstanding	3,000
Preferred shares, purchase price per share										$ 102.81
Aggregate cash payment to acquire preferred shares										254,000
Series C 6.875% Preferred Shares [Member]
Class of Stock [Line Items]
Preferred shares, aggregate liquidation value issued						400,000
Preferred shares, dividend rate	6.875%
Preferred shares, par value per share	$ 0.0125
Preferred shares, liquidation preference per share	$ 25.00
Preferred shares, redemption price per share	$ 25.00
Preferred shares, dividend declared per share	$ 1.7188	$ 1.7188	$ 1.4132
Preferred shares, dividends paid per share	$ 1.7188	$ 1.7188	$ 0.9835									$ 0.4297
Preferred shares, aggregate liquidation value outstanding	400,000
Series D 5.50% Preferred Shares [Member]
Class of Stock [Line Items]
Preferred shares, aggregate liquidation value issued														$ 225,000
Preferred shares, dividend rate	5.50%
Preferred shares, par value per share	$ 0.0125
Preferred shares, liquidation preference per share	$ 25.00
Preferred shares, redemption price per share	$ 25.00
Preferred shares, dividend declared per share	$ 1.3750	$ 0.6875
Preferred shares, dividends paid per share	$ 1.3750	$ 0.3438											$ 0.3438