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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Details) (USD $)	12 Months Ended			0 Months Ended		12 Months Ended			0 Months Ended	1 Months Ended							1 Months Ended			0 Months Ended				1 Months Ended		1 Months Ended				1 Months Ended				1 Months Ended		12 Months Ended					0 Months Ended	1 Months Ended		1 Months Ended					1 Months Ended									12 Months Ended			1 Months Ended					1 Months Ended																																					0 Months Ended					1 Months Ended		3 Months Ended	12 Months Ended		0 Months Ended			1 Months Ended					3 Months Ended	12 Months Ended		12 Months Ended			12 Months Ended				12 Months Ended
	Dec. 31, 2013 item	Dec. 31, 2012	Dec. 31, 2011	Oct. 18, 2013 Dexter Park	Oct. 28, 2009 Dexter Park item	Dec. 31, 2013 Dexter Park item	Dec. 31, 2012 Dexter Park item	Dec. 31, 2011 Dexter Park item	Oct. 28, 2009 Dexter Park Mortgage loan	Oct. 31, 2009 Dexter Park Mortgage loan	Dec. 31, 2013 Dexter Park Mortgage loan	Dec. 31, 2013 Hamilton Bay Apartments, LLC item	Dec. 31, 2012 Hamilton Bay Apartments, LLC item	Dec. 31, 2011 Hamilton Bay Apartments, LLC item	Apr. 30, 2008 Hamilton Bay Apartments, LLC item	Oct. 03, 2005 Hamilton Bay Apartments, LLC item	Apr. 30, 2008 Hamilton Bay Apartments, LLC Mortgage loan	Feb. 01, 2014 Hamilton Bay Apartments, LLC Mortgage loan item	Dec. 31, 2013 Hamilton Bay Apartments, LLC Mortgage loan	Oct. 18, 2013 Hamilton Bay Sales	Dec. 31, 2013 Hamilton Bay Sales item	Dec. 31, 2012 Hamilton Bay Sales item	Dec. 31, 2011 Hamilton Bay Sales item	Feb. 28, 2007 Hamilton Bay Sales Mortgage loan	Mar. 07, 2005 Hamilton Essex Development, LLC and Hamilton Essex 81, LLC	Mar. 31, 2005 Hamilton Essex Development, LLC and Hamilton Essex 81, LLC Mortgage loan	Dec. 31, 2013 Hamilton Essex 81, LLC item	Dec. 31, 2012 Hamilton Essex 81, LLC item	Dec. 31, 2011 Hamilton Essex 81, LLC item	Aug. 31, 2008 Hamilton Essex 81, LLC Mortgage loan	Dec. 31, 2013 Hamilton Essex Development, LLC item	Dec. 31, 2012 Hamilton Essex Development, LLC item	Dec. 31, 2011 Hamilton Essex Development, LLC item	Sep. 30, 2013 Hamilton Essex Development, LLC Mortgage loan	Aug. 31, 2008 Hamilton Essex Development, LLC Mortgage loan	Dec. 31, 2013 Hamilton Essex Development, LLC Mortgage loan	Dec. 31, 2013 Hamilton 1025, LLC item	Dec. 31, 2012 Hamilton 1025, LLC item	Dec. 31, 2011 Hamilton 1025, LLC item	Mar. 02, 2005 Hamilton 1025, LLC item	Mar. 02, 2005 Hamilton 1025, LLC Mortgage loan	Mar. 31, 2005 Hamilton 1025, LLC Mortgage loan	Dec. 31, 2013 Hamilton 1025, LLC Mortgage loan	Oct. 31, 2004 Hamilton Minuteman, LLC	Dec. 31, 2013 Hamilton Minuteman, LLC item	Dec. 31, 2012 Hamilton Minuteman, LLC item	Dec. 31, 2011 Hamilton Minuteman, LLC item	Sep. 30, 2004 Hamilton Minuteman, LLC item	Jan. 31, 2007 Hamilton Minuteman, LLC Mortgage loan	Oct. 31, 2004 Hamilton Minuteman, LLC Mortgage loan	Dec. 31, 2013 Hamilton Minuteman, LLC Mortgage loan	Dec. 31, 2006 Hamilton Minuteman, LLC Mortgage loan	Dec. 31, 2013 Hamilton Place item	Dec. 31, 2012 Hamilton Place item	Dec. 31, 2011 Hamilton Place item	May 31, 2008 Hamilton Place item	Aug. 31, 2004 Hamilton Place item	Dec. 31, 2013 Hamilton on Main Apartments, LLC	Dec. 31, 2005 Hamilton on Main Apartments, LLC Mortgage loan item	Dec. 31, 2013 Hamilton on Main Apartments, LLC Mortgage loan	Jun. 30, 2013 345 Franklin, LLC	Dec. 31, 2013 345 Franklin, LLC item	Dec. 31, 2012 345 Franklin, LLC item	Dec. 31, 2011 345 Franklin, LLC item	Nov. 30, 2001 345 Franklin, LLC item	Jun. 30, 2013 345 Franklin, LLC Mortgage loan	Dec. 31, 2013 Residential buildings Dexter Park item	Dec. 31, 2012 Residential buildings Dexter Park item	Dec. 31, 2011 Residential buildings Dexter Park item	Dec. 31, 2013 Residential buildings Hamilton Bay Apartments, LLC item	Dec. 31, 2012 Residential buildings Hamilton Bay Apartments, LLC item	Dec. 31, 2011 Residential buildings Hamilton Bay Apartments, LLC item	Dec. 31, 2013 Residential buildings Hamilton Bay Sales item	Dec. 31, 2012 Residential buildings Hamilton Bay Sales item	Dec. 31, 2011 Residential buildings Hamilton Bay Sales item	Dec. 31, 2013 Residential buildings Hamilton Essex 81, LLC item	Dec. 31, 2012 Residential buildings Hamilton Essex 81, LLC item	Dec. 31, 2011 Residential buildings Hamilton Essex 81, LLC item	Dec. 31, 2013 Residential buildings Hamilton 1025, LLC item	Dec. 31, 2012 Residential buildings Hamilton 1025, LLC item	Dec. 31, 2011 Residential buildings Hamilton 1025, LLC item	Dec. 31, 2013 Residential buildings Hamilton Minuteman, LLC item	Dec. 31, 2012 Residential buildings Hamilton Minuteman, LLC item	Dec. 31, 2011 Residential buildings Hamilton Minuteman, LLC item	Dec. 31, 2013 Residential buildings Hamilton Place item	Dec. 31, 2012 Residential buildings Hamilton Place item	Dec. 31, 2011 Residential buildings Hamilton Place item	Dec. 31, 2013 Residential buildings 345 Franklin, LLC item	Dec. 31, 2012 Residential buildings 345 Franklin, LLC item	Dec. 31, 2011 Residential buildings 345 Franklin, LLC item	Mar. 07, 2005 Apartment Hamilton Essex Development, LLC and Hamilton Essex 81, LLC item	Mar. 07, 2005 Commercial Hamilton Essex Development, LLC and Hamilton Essex 81, LLC item	Dec. 31, 2013 Commercial Hamilton Essex 81, LLC item	Dec. 31, 2012 Commercial Hamilton Essex 81, LLC item	Dec. 31, 2011 Commercial Hamilton Essex 81, LLC item	Dec. 31, 2013 Commercial Hamilton Essex Development, LLC item	Dec. 31, 2012 Commercial Hamilton Essex Development, LLC item	Dec. 31, 2011 Commercial Hamilton Essex Development, LLC item	Dec. 31, 2013 Commercial Hamilton 1025, LLC item	Dec. 31, 2012 Commercial Hamilton 1025, LLC item	Dec. 31, 2011 Commercial Hamilton 1025, LLC item	Mar. 07, 2005 Car parking lot Hamilton Essex Development, LLC and Hamilton Essex 81, LLC item	Dec. 15, 2011 HBC	Oct. 02, 2011 HBC	Aug. 02, 2011 HBC	Aug. 17, 2010 HBC	Oct. 28, 2009 HBC	Apr. 30, 2012 HBC	Feb. 29, 2012 HBC	Dec. 31, 2010 HBC	Dec. 31, 2012 HBC	Dec. 31, 2011 HBC	Aug. 17, 2013 HBC Dexter Park Mortgage loan	Dec. 15, 2011 HBC Dexter Park Mortgage loan	Oct. 28, 2009 HBC Dexter Park Mortgage loan	Apr. 30, 2012 HBC Dexter Park Mortgage loan	Feb. 29, 2012 HBC Dexter Park Mortgage loan	Oct. 31, 2011 HBC Dexter Park Mortgage loan	Aug. 31, 2011 HBC Dexter Park Mortgage loan	Oct. 31, 2009 HBC Dexter Park Mortgage loan	Dec. 31, 2010 HBC Dexter Park Mortgage loan	Dec. 31, 2012 HBC Dexter Park Mortgage loan	Dec. 31, 2011 HBC Dexter Park Mortgage loan	Dec. 31, 2013 Management Company item	Dec. 31, 2013 Minimum Mortgage loan	Dec. 31, 2013 Minimum Limited Partnerships	Dec. 31, 2013 Minimum Hamilton on Main Apartments, LLC	Dec. 31, 2013 Minimum Harold Brown	Dec. 31, 2013 Maximum Mortgage loan	Dec. 31, 2013 Maximum Limited Partnerships	Dec. 31, 2013 Maximum Hamilton on Main Apartments, LLC	Dec. 31, 2013 Maximum Harold Brown
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
Percentage of ownership interest					40.00%											50.00%									50.00%															50.00%								50.00%									50.00%								50.00%																																																													40.00%		43.20%		50.00%		57.00%
Number of employees having ownership interest																																																																																																																												5
Investments in joint venture	$ 12,025,142	$ 13,986,173			$ 15,925,000											$ 2,500,000									$ 2,000,000															$ 2,352,000								$ 5,075,000									$ 8,000,000								$ 1,533,000
Number of units					409	409	409	409				48	48	48	20	168					120	120	120				49	49	49		1	1	1				176	176	176	176					42	42	42	42					148	148	148		280		3			40	40	40	40		409	409	409	48	48	48	120	120	120	48	48	48	175	175	175	42	42	42	148	148	148	40	40	40	49		1	1	1	1	1	1	1	1	1
Number of properties																																																																																												1
Purchase price of investments					129,500,000											30,875,000									14,300,000															23,750,000								10,100,000									56,000,000
Borrowings										89,914,000							2,368,000							4,750,000		10,750,000				8,235,000					2,041,000						5,000,000								5,500,000	8,025,000									16,825,000																																																7,168,000													7,168,000
Interest rate (as a percent)									5.57%								5.75%							5.57%						5.79%											5.67%								5.67%										5.18%							3.87%																																									6.00%								6.00%										3.25%				5.97%
Period for which the entity is required to make interest only payments										2 years														5 years																	5 years								5 years										3 years							3 years
Amortization period of debt									30 years															30 years						30 years											30 years	30 years							30 years										30 years							30 years
Outstanding amount of mortgage loan	198,520,478	138,055,522				87,410,638	88,611,686	89,733,192			87,411,000	4,639,848	4,702,087	4,750,000					4,640,000			1,668,000	1,668,000				8,234,548	8,352,317	8,462,041		2,041,146	2,093,184	2,144,796				4,869,583	4,934,741	4,995,487				4,870,000		5,362,109	5,433,472	5,500,000				5,362,000		15,317,643	15,611,045	15,887,203					15,318,000		10,000,000	6,850,179	7,019,119																																																1,668,600											1,668,600
Investments funded using cash reserves					8,757,000
Term of debt																																									10 years								10 years										10 years							15 years																																									4 years								4 years
Notice period for principal paydown of debt																																																																																																											6 months						6 months		6 months
Principal amount requested to be repaid																																																																																																										2,500,000							2,500,000
Repayment of loan																																																													6,776,000																																															918,600		2,500,000						918,600					2,500,000
Principal payments elected to be made																																			4,301	4,443																																																																			1,000,000	1,000,000	1,000,000				750,000					1,000,000			750,000	1,000,000	1,000,000
Interest paid	8,062,000	7,776,000	8,011,000																																																																																																												18,960	238,673										18,960
Amortization period of intangible assets						12 months
Capital contributions				660,000																660,000
Number of units retained for long-term investment						409	409	409				48	48	48		48											49	49	49		1	1	1				49	49	49	49					42	42	42						148	148	148							40	40	40
Number of units retained																					15
Number of units sold																		105			105	105	105														127	127	127	127																137
Units to be sold																					120	120	120														127	127	127
Capacity of real estate property (in cars per lot)																																																																																																						50
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)																																				0.17%
Cost associated with loan extension																																		9,000	6,000
Extended term of debt																																		2 years
Maximum personal guaranty on mortgage																																			1,000,000
Amount returned to partnership																																												3,775,000
Cash contribution by the entity towards loan																																																				1,250,000
Ownership percentage in third party entity by majority shareholder of the General Partner																																																										31.00%
Ownership percentage in third party entity by President of management company																																																										5.00%
Percentage of variable commission on each sale																																																																																																																															3.00%				5.00%
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
Fee for early extinguishment of debt																																																											400,000
Refinanced amount																																																																		10,000,000
Distribution to the Partnership	3,893,662	3,932,410	3,681,566																																																															1,610,000
Carrying value of investment to discontinue applying the equity method	$ 0																																																												$ 0

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Represents the amount of principal to be repaid upon notice as per the request of the lender.

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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 amount of debt obligation refinanced by the entity.

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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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Represents the number of partnerships which are investing in commercial properties.

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Represents the percentage of ownership interest in third party entity by majority shareholder of the General Partner.

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No definition available.

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Represents the percentage of ownership interest in third party entity by the president of the management company.

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

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



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

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Amount of the required periodic payments applied to principal.

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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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-Name Accounting Standards Codification

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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The amount of cash paid for interest during the period.

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X

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

+ Details

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- Definition

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

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

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Balance Type:	debit
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- Definition

The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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Data Type:	xbrli:monetaryItemType
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- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

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

+ References

No definition available.

+ Details

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- Definition

The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment of more than three months. Includes long-term debt and short-term debt.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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