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

+ References

+ Details

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- Definition

Equity impact of common stock cash dividends declared by an entity during the period. This element includes paid and unpaid dividends declared during the period.

+ References

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- Definition

Equity impact of preferred stock cash dividends declared by an entity during the period. This element includes paid and unpaid dividends declared during the period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 405

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 01-6

-Paragraph 14

-Subparagraph l

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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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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Stockholders' Equity - Dividend Distributions (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Class of Stock [Line Items]
Distributions Per Share	$ 0.085	$ 0	$ 0.255	$ 0
Total Dividend/Distribution			$ 29,074
Total Dividend/Distribution			7,506
Common Stock
Class of Stock [Line Items]
Distributions Per Share			$ 0.255
Total Dividend/Distribution			29,074
Series F Preferred Stock [Member]
Class of Stock [Line Items]
Dividend/Distribution per Share			$ 4,242.04
Total Dividend/Distribution			2,121
Series G Preferred Stock [Member]
Class of Stock [Line Items]
Dividend/Distribution per Share			$ 5,427.00
Total Dividend/Distribution			1,357
Series J Preferred Stock [Member]
Class of Stock [Line Items]
Dividend/Distribution per Share			$ 5,085.12
Total Dividend/Distribution			2,034
Series K Preferred Stock [Member]
Class of Stock [Line Items]
Dividend/Distribution per Share			$ 9,968.85
Total Dividend/Distribution			$ 1,994