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

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No definition available.

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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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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

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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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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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No definition available.

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MORTGAGE NOTES PAYABLE AND LINE OF CREDIT (Mortgage by property) (Details) - USD ($)				1 Months Ended
	Aug. 03, 2016	Jul. 11, 2014	Jun. 11, 2014	Feb. 28, 2014	Dec. 31, 2016
Hamilton Green
MORTGAGE NOTES PAYABLE
Closing Costs	$ 227,663
Mortgages payable \| NERA Dean Street Associates, LLC
MORTGAGE NOTES PAYABLE
Mortgage amount			$ 5,687,000
Closing Costs			$ 89,000
Interest rate (as a percent)			4.22%
Period for which the entity is required to make interest only payments			10 years
Amount of loan proceeds utilized for pay off the existing mortgage			$ 5,077,000
Mortgages payable \| Hamilton Linewt LLC Commercial-1031 Exchange Newton, Massachusetts
MORTGAGE NOTES PAYABLE
Amount of mortgage paid off				$ 1,466,000
Mortgages payable \| Linhart L.P. Residential/Commercial Newton, Massachusetts
MORTGAGE NOTES PAYABLE
Amount of mortgage paid off				$ 1,926,000
Mortgages payable \| Westgate Apartments Residential Units Burlington Massachusetts Member
MORTGAGE NOTES PAYABLE
Mortgage amount		$ 2,500,000
Closing Costs		$ 75,000
Interest rate (as a percent)		4.31%
Period for which the entity is required to make interest only payments		10 years
Amount of loan proceeds utilized for pay off the existing mortgage		$ 2,010,000
Mortgages payable \| Minimum
MORTGAGE NOTES PAYABLE
Interest rate (as a percent)					2.51%
Mortgages payable \| Maximum
MORTGAGE NOTES PAYABLE
Interest rate (as a percent)					5.97%