Consolidated Balance Sheets (USD $)	Dec. 31, 2012	Dec. 31, 2011
Assets [Abstract]
Cash and cash equivalents	$ 30,172,773	$ 20,086,841
Restricted cash	5,471,522	12,904,361
Interest receivable	8,473,360	6,984,978
Tax-exempt mortgage revenue bonds held in trust, at fair value	99,534,082	109,152,787
Tax-exempt mortgage revenue bonds, at fair value	45,703,294	26,542,565
Public housing capital fund trusts, at fair value	65,389,298	0
Mortgage backed securities, at fair value	32,121,412	0
Real estate assets: (Note 6)
Land	11,202,876	8,313,160
Buildings and improvements	93,615,479	82,261,705
Real estate assets before accumulated depreciation	104,818,355	90,574,865
Accumulated depreciation	(19,330,063)	(15,305,931)
Net real estate assets	85,488,292	75,268,934
Other assets (Note 7)	8,216,295	9,541,379
Assets of discontinued operations	32,580,427	37,494,700
Total assets	413,150,755	297,976,545
Liabilities
Accounts payable, accrued expenses and other liabilities	5,013,947	2,465,785
Distribution payable	5,566,908	3,911,340
Debt financing	177,948,000	112,673,000
Mortgages payable	39,119,507	35,464,455
Liabilities of discontinued operations	1,531,462	11,872,920
Total Liabilities	229,179,824	166,387,500
Commitments and Contingencies (Note 15)
Partners' Capital
General Partner	(430,087)	(354,006)
Beneficial Unit Certificate holders	207,383,087	154,911,228
Unallocated deficit of Consolidated VIEs	(25,035,808)	(23,512,962)
Total Partners' Capital	181,917,192	131,044,260
Noncontrolling interest	2,053,739	544,785
Total Capital	183,970,931	131,589,045
Total Liabilities and Partners' Capital	$ 413,150,755	$ 297,976,545

This element represents the portion of the balance sheet assertion valued at fair value by the entity, which is held in trust, whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may by ued in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all sescuritized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

No definition available.