Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended
Mar. 31, 2013
Limited Partnership Distributions [Line Items]
Impairment of real estate	$ 0
Class A Units
Allocations of Net Income, Net Loss, and Gain on Sale
Distribution of excess net income based on allocation (percent)	99.00%
Class B Units
Allocations of Net Income, Net Loss, and Gain on Sale
Distribution of net loss, depreciation, and amortization based on allocation (percent)	99.00%
General Partners
Allocations of Net Income, Net Loss, and Gain on Sale
Distribution of excess net income based on allocation (percent)	1.00%
Distribution of net loss, depreciation, and amortization based on allocation (percent)	1.00%
First Priority \| Class A Units
Distribution of Net Cash from Operations
Distribution of net cash from operations based on capital contributions (percent)	10.00%
Second Priority \| General Partners
Distribution of Net Cash from Operations
Distribution of net cash from operations based on cumulative distributions (percent)	10.00%
Third Priority \| Class A Units
Distribution of Net Cash from Operations
Distribution of net cash from operations based on allocation (percent)	90.00%
Third Priority \| General Partners
Distribution of Net Cash from Operations
Distribution of net cash from operations based on allocation (percent)	10.00%
Third Priority \| Limited Partners
Distribution of Net Sale Proceeds
Distribution of net sale proceeds based on partner capital contributions (percent)	100.00%
Fourth Priority \| Limited Partners
Distribution of Net Sale Proceeds
Distribution of net sale proceeds based on partners' return on capital contributions (percent)	10.00%
Fifth Priority \| Class A Units
Distribution of Net Sale Proceeds
Distribution of net sale proceeds based on preferential limited partner return (percent)	10.00%
Fifth Priority \| Class B Units
Distribution of Net Sale Proceeds
Distribution of net sale proceeds based on preferential limited partner return (percent)	15.00%
Sixth Priority \| General Partners
Distribution of Net Sale Proceeds
Distribution of net sale proceeds based on partner capital contributions (percent)	100.00%
Distribution of net sale proceeds based additional excess (percent)	25.00%
Seventh Priority \| General Partners
Distribution of Net Sale Proceeds
Distribution of net sale proceeds based on allocation (percent)	20.00%
Seventh Priority \| Limited Partners
Distribution of Net Sale Proceeds
Distribution of net sale proceeds based on allocation (percent)	80.00%

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 144

-Paragraph 26

-Subparagraph b

-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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