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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%

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