Sales of Real Estate and Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Mar. 31, 2011
Real Estate Properties [Line Items]
Debt satisfaction gains (charges), net	$ (1,649)	$ 19
Total gross revenues	0	4,256
Pre-tax loss, including gains on sale	(1,163)	(24,080)
Impairment of Real Estate	2,561	29,567
One Property [Member]
Real Estate Properties [Line Items]
Real Estate Number Of Properties Sold	1
Aggregate Gross Disposition Price	2,500
Transfer of Real Estate	7,119
Debt satisfaction gains (charges), net	1,728
Six Properties [Member]
Real Estate Properties [Line Items]
Real Estate Number Of Properties Sold		6
Aggregate Gross Disposition Price		108,875
Debt satisfaction gains (charges), net		603
Nonrecourse Mortgage Debt		28,648
Seller Financing		3,003
Aggregate Gain on Sales of Properties		$ 4,899

Financing Provided To Buyer By Seller

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- Definition

Real Estate Disposition Price

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- Definition

Real Estate Non Recourse Mortgage Debt Assumed By Buyer

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Real Estate Number Of Properties Sold

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No definition available.

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- Definition

Amount of operating income or loss attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 144

-Paragraph 47

-Subparagraph c

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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

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Amount represents the difference between the fair value of the payments made and the carrying amount of the debt at the time of its extinguishment.

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 26

-Paragraph 20, 21

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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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-Publisher FASB

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- Definition

Value of real estate transferred in noncash transactions during the reporting period.

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