Represents the capacity of real estate property.

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Represents the amortization period of mortgage loan and its interest.

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Represents the cash contribution by the entity towards the debt.

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Represents the cost associated with the extension of mortgage loan.

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Represents the extended term of mortgage loan.

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Represents the amount of loan proceeds utilized for paying off the existing mortgage.

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The notional percentage points added to the reference rate to compute the variable rate on the debt instrument.

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

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Represents the carrying value of investment as of the balance sheet date to discontinue applying the equity method.

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Represents the number of limited partnerships and limited liability companies in which the entity has made investments.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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

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Amount of the required periodic payments applied to principal.

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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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Total distributions to each class of partners (i.e., general, limited and preferred partners).

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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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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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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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 (Details) - 10Q (USD $)	3 Months Ended		0 Months Ended		1 Months Ended		0 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended			12 Months Ended	1 Months Ended
	Mar. 31, 2015 item	Mar. 31, 2014	Oct. 18, 2013	Oct. 28, 2009	Feb. 28, 2007	Apr. 30, 2008 item	Mar. 07, 2005	Sep. 30, 2013	Mar. 02, 2005	Oct. 31, 2004	Jan. 31, 2007	Aug. 31, 2014	Dec. 31, 2005 item	Jun. 30, 2013	Dec. 31, 2014	Oct. 03, 2005 item	Dec. 31, 2006	Sep. 30, 2004 item	May 31, 2008 item	Aug. 31, 2004 item	Nov. 30, 2001 item
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of limited partnerships and limited liability companies in which the entity has invested	9
Number of partnerships investing in commercial property	3
Investments in joint venture	$ 8,268,172us-gaap_EquityMethodInvestments														$ 8,807,868us-gaap_EquityMethodInvestments
Borrowings	8,076,000us-gaap_ProceedsFromIssuanceOfDebt
Outstanding amount of mortgage loan	196,038,642us-gaap_SecuredDebt														196,071,540us-gaap_SecuredDebt
Interest paid	2,360,000us-gaap_InterestPaid	1,664,000us-gaap_InterestPaid
Distribution to the Partnership	951,330	969,207
Carrying value of investment to discontinue applying the equity method	0
Limited Partnerships
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Capital contributions			660,000
Dexter Park
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	40.00%	40.00%		40.00%
Investments in joint venture	4,302,225	5,607,127		15,925,000
Number of units	409	409		409
Purchase price of investments				129,500,000
Number of units retained for long-term investment	409	409
Dexter Park \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Borrowings				89,914,000
Interest rate (as a percent)				5.57%
Period for which the entity is required to make interest only payments				2 years
Amortization period of debt				30 years
Outstanding amount of mortgage loan	85,897,000
Hamilton Bay Apartments
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	50.00%	50.00%														50.00%
Investments in joint venture	916,577	998,643														2,500,000
Number of units	48	48														168
Purchase price of investments																30,875,000
Borrowings					4,750,000
Interest rate (as a percent)					5.57%
Period for which the entity is required to make interest only payments					5 years
Amortization period of debt					30 years
Number of units retained for long-term investment	48	48														48
Number of units sold																120
Hamilton Bay Apartments \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Outstanding amount of mortgage loan	4,556,000
Hamilton Bay Sales
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	50.00%	50.00%
Investments in joint venture	403,114	959,932
Number of units	120	120
Capital contributions			660,000
Number of units sold	113	106
Number of Units in Real Estate Property to be Sold	120	120
Hamilton Bay Sales \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units						20
Borrowings						2,368,000
Interest rate (as a percent)						5.75%
Hamilton Essex Development, LLC and Hamilton Essex 81, LLC
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest							50.00%
Investments in joint venture							2,000,000
Purchase price of investments							14,300,000
Hamilton Essex Development, LLC and Hamilton Essex 81, LLC \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Borrowings							10,750,000
Hamilton Essex 81
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	50.00%	50.00%
Investments in joint venture	321,028	261,162
Number of units	49	49					48
Number of properties							1
Number of units retained for long-term investment	49	49
Hamilton Essex 81 \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Borrowings	8,076,000
Interest rate (as a percent)	5.79%
Amortization period of debt	30 years
Hamilton Essex Development
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	50.00%	50.00%
Investments in joint venture	347,460	331,618
Number of units	1	1
Number of units retained for long-term investment	1	1
Capacity of real estate property (in cars per lot)							50
Hamilton Essex Development \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Borrowings	1,975,000
Contractual principal payments to be made								4,443
Margin over basis of interest rate (as a percent)	2.25%
Basis of interest rate	Libor
Notional margin over basis of interest rate (as a percent)	0.171%
Cost associated with loan extension								9,000
Extended term of debt								2 years
Maximum personal guaranty on mortgage								1,000,000
Debt Instrument, Basis Spread on Variable Rate	2.25%
Hamilton 1025
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	50.00%	50.00%							50.00%
Investments in joint venture	181,023	249,171							2,352,000
Number of units	176	176							176
Purchase price of investments									23,750,000
Number of units retained for long-term investment	49	49							49
Number of units sold	127	127							127
Number of Units in Real Estate Property to be Sold	127	127
Hamilton 1025 \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Borrowings									5,000,000
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
Outstanding amount of mortgage loan	4,787,000
Term of debt									10 years
Hamilton Minuteman
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	50.00%	50.00%																50.00%
Investments in joint venture	601,920	690,012																5,075,000
Number of units	42	42																42
Purchase price of investments																		10,100,000
Number of units retained for long-term investment	42	42
Amount returned to partnership										3,775,000
Cash contribution by the entity towards loan																	1,250,000
Hamilton Minuteman \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Borrowings										8,025,000	5,500,000
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
Outstanding amount of mortgage loan	5,272,000
Term of debt											10 years
Hamilton on Main Apts
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	50.00%	50.00%																		50.00%
Investments in joint venture	1,194,825	2,534,676																		8,000,000
Number of units	148	148																		280
Purchase price of investments																				56,000,000
Number of units retained for long-term investment	148	148
Number of units sold																			137
Hamilton on Main Apartments, LLC \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of properties													3
Borrowings												16,900,000	16,825,000
Interest rate (as a percent)												4.34%	5.18%
Period for which the entity is required to make interest only payments													3 years
Amortization period of debt													30 years
Term of debt												10 years	10 years
Cost associated with loan extension												161,000
Term excluding period for which interest only payments to be made													7 years
Net proceeds after funding escrow accounts and closing costs													16,700,000
Debt Instrument, Loan Proceeds Utilized to Pay Off Existing Mortgage												15,205,000
Debt Instrument, Loan Proceeds distributed to the Partnership												850,000
345 Franklin
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	50.00%	50.00%																			50.00%
Investments in joint venture																					1,533,000
Number of units	40	40																			40
Number of units retained for long-term investment	40	40
Distribution to the Partnership														1,610,000
Carrying value of investment to discontinue applying the equity method														0
345 Franklin \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Borrowings														10,000,000
Interest rate (as a percent)														3.87%
Period for which the entity is required to make interest only payments														3 years
Amortization period of debt														30 years
Outstanding amount of mortgage loan	10,000,000
Term of debt														15 years
Repayment of loan														$ 6,776,000
Residential buildings \| Dexter Park
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	409	409
Residential buildings \| Hamilton Bay Apartments
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	48	48
Residential buildings \| Hamilton Bay Sales
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	120	120
Residential buildings \| Hamilton Essex 81
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	48	48
Residential buildings \| Hamilton 1025
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	175	175
Residential buildings \| Hamilton Minuteman
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	42	42
Residential buildings \| Hamilton on Main Apts
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	148	148
Residential buildings \| 345 Franklin
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	40	40
Commercial \| Hamilton Essex 81
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	1	1
Commercial \| Hamilton Essex Development
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	1	1
Commercial \| Hamilton 1025
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of units	1	1
Management Company
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of employees having ownership interest in the investment properties	6
Minimum \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Interest rate (as a percent)	3.76%
Minimum \| Limited Partnerships
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	40.00%
Minimum \| Harold Brown
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	43.20%
Maximum \| Mortgages payable
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Interest rate (as a percent)	5.97%
Maximum \| Limited Partnerships
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	50.00%
Maximum \| Harold Brown
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Percentage of ownership interest	57.00%