Represents the period for which the entity is required to make interest only payments on the debt instrument.

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Represents the number of units retained for long-term investment.

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Represents the number of units sold.

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Represents the number of units unsold by the entity.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

The number of units in a real estate property owned as of the balance sheet date.

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No definition available.

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Total contributions made by each class of partners (i.e., general, limited and preferred partners).

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Hamilton 1025) (Details)	Jul. 08, 2016 USD ($)	Mar. 02, 2005 USD ($) item	Jun. 30, 2019 USD ($) property	Dec. 31, 2018 USD ($)	Jun. 30, 2018 USD ($) property
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Investments in joint venture \| $			$ 1,610,362	$ 1,985,680	$ 2,298,596
Number of units \| property					913
Unsold units \| property					8
Number of units retained for long-term investment \| property					(690)
Outstanding amount of mortgage \| $			252,012,154	$ 252,370,843
Hamilton 1025
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Investments in joint venture \| $		$ 2,352,000	$ 168,958		$ 312,165
Ownership interest (as a percent)		50.00%			50.00%
Number of units		176	176		176
Number of units sold \| item		127
Unsold units \| property					4
Number of units retained for long-term investment		49	(1)		(1)
Capital contributions \| $	$ 2,359,500
Purchase price of investments \| $		$ 23,750,000
Hamilton 1025 \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Term of debt		10 years
Interest rate (as a percent)		5.67%
Period for which the entity is required to make interest only payments		5 years
Amortization period of debt		30 years
Borrowings \| $		$ 5,000,000
Residential buildings
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units \| property					910
Residential buildings \| Hamilton 1025
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units \| property			175		175