Percentage of dividend unrecaptured gain.

No definition available.

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- Definition

Percentage of long-term capital gain

+ References

No definition available.

+ Details

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- Definition

Percentage of ordinary taxable dividend.

+ References

No definition available.

+ Details

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- Definition

Percentage of qualified dividend.

+ References

No definition available.

+ Details

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- Definition

Percentage of return of capital.

+ References

No definition available.

+ Details

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- Definition

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

+ 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

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- Definition

The day, month, and year (YYYY-MM-DD) that the dividend declared as of or prior to the financial reporting date will be paid in the subsequent period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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- Definition

The day, month and year (YYYY-MM-DD) that the dividend to be paid was declared.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 32

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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- Definition

The date as of when a holder must own the stock to be entitled to the dividend. The ex-dividend date is generally 3 days before the record date.

+ References

No definition available.

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Stockholders' Equity (Taxable Composition Of Cash Distributions) (Details) (USD $)	0 Months Ended	12 Months Ended
	Feb. 04, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Dividends Payable [Line Items]
Record Dates	Feb. 16, 2012
Payable Dates	Feb. 28, 2012
Distributions Per Share	$ 0.66	$ 2.48	$ 2.32	$ 2.68
Ordinary Taxable Dividend		62.8481%	53.73%	39.44%
Qualified Dividend		0.00%	0.00%	0.00%
Return of Capital		37.1519%	46.27%	44.02%
Long-Term Capital Gain		0.00%	0.00%	2.75%
Unrecaptured Sec. 1250 Gain		0.00%	0.00%	13.79%
2/12/2011 [Member]
Dividends Payable [Line Items]
Declaration Dates		Feb. 12, 2011
Record Dates		Feb. 28, 2011
Payable Dates		Mar. 04, 2011
Distributions Per Share		$ 0.62
Ordinary Taxable Dividend		62.8481%
Qualified Dividend		0.00%
Return of Capital		37.1519%
Long-Term Capital Gain		0.00%
Unrecaptured Sec. 1250 Gain		0.00%
5/3/2011 [Member]
Dividends Payable [Line Items]
Declaration Dates		May 03, 2011
Record Dates		May 17, 2011
Payable Dates		May 27, 2011
Distributions Per Share		$ 0.62
Ordinary Taxable Dividend		62.8481%
Qualified Dividend		0.00%
Return of Capital		37.1519%
Long-Term Capital Gain		0.00%
Unrecaptured Sec. 1250 Gain		0.00%
8/3/2011 [Member]
Dividends Payable [Line Items]
Declaration Dates		Aug. 03, 2011
Record Dates		Aug. 16, 2011
Payable Dates		Aug. 26, 2011
Distributions Per Share		$ 0.62
Ordinary Taxable Dividend		62.8481%
Qualified Dividend		0.00%
Return of Capital		37.1519%
Long-Term Capital Gain		0.00%
Unrecaptured Sec. 1250 Gain		0.00%
11/2/2011 [Member]
Dividends Payable [Line Items]
Declaration Dates		Nov. 02, 2011
Record Dates		Nov. 14, 2011
Payable Dates		Nov. 22, 2011
Distributions Per Share		$ 0.62
Ordinary Taxable Dividend		62.8481%
Qualified Dividend		0.00%
Return of Capital		37.1519%
Long-Term Capital Gain		0.00%
Unrecaptured Sec. 1250 Gain		0.00%