Public Housing Capital Fund Trusts Mark to Market PHC (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value	$ 64,613,713	$ 65,389,298
Public housing capital fund trusts [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost adjusted for amortization of premium and discounts	65,943,504	65,957,633
Unrealized Gain	0	0
Unrealized Loss	(1,329,791)	(568,335)
Estimated Fair Value	64,613,713	65,389,298
Public Housing Capital Fund Trust I [Member] \| Public housing capital fund trusts [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost adjusted for amortization of premium and discounts	28,084,264	28,119,176
Unrealized Gain	0	0
Unrealized Loss	(286,080)	(48,477)
Estimated Fair Value	27,798,184	28,070,699
Public Housing Capital Fund Trust II [Member] \| Public housing capital fund trusts [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost adjusted for amortization of premium and discounts	17,453,830	17,442,860
Unrealized Gain	0	0
Unrealized Loss	(458,374)	(109,223)
Estimated Fair Value	16,995,456	17,333,637
Public Housing Capital Fund Trust III [Member] \| Public housing capital fund trusts [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost adjusted for amortization of premium and discounts	20,405,410	20,395,597
Unrealized Gain	0	0
Unrealized Loss	(585,337)	(410,635)
Estimated Fair Value	$ 19,820,073	$ 19,984,962

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity, which is held in a trust for public housing authory bonds, 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.

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