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RENTAL PROPERTIES (Details) (USD $) | 9 Months Ended |  |  | 1 Months Ended |  |  |  | 1 Months Ended |  |  |  | 9 Months Ended |  |  | 9 Months Ended |  |  | 9 Months Ended |  |  | 9 Months Ended |  |  | 9 Months Ended |  |  | 9 Months Ended |  | 9 Months Ended |  |  |  | 9 Months Ended |  |  |  | 9 Months Ended |  |  | 9 Months Ended |  |  | 9 Months Ended |  |  |
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Sep. 30, 2012 item | Sep. 30, 2011 | Dec. 31, 2011 | Sep. 30, 2012 Mortgages payable | May 31, 2011 Avon Street Apartments | Jun. 30, 2011 Battle Green Apartments | Jul. 31, 2011 Battle Green Apartments Mortgages payable | Sep. 30, 2012 Battle Green Apartments Mortgages payable | Jul. 27, 2011 Battle Green Apartments Mortgages payable | Sep. 30, 2012 Minimum Mortgages payable | Sep. 30, 2012 Maximum Mortgages payable | Jul. 31, 2011 Harold Brown Battle Green Apartments Mortgages payable | Jun. 30, 2011 Harold Brown Battle Green Apartments Mortgages payable | Jun. 02, 2011 Harold Brown Battle Green Apartments Mortgages payable | Sep. 30, 2012 Harold Brown Minimum | Sep. 30, 2012 Harold Brown Maximum | Sep. 30, 2012 Land, improvements and parking lots | Dec. 31, 2011 Land, improvements and parking lots | Sep. 30, 2012 Land, improvements and parking lots Minimum | Sep. 30, 2012 Land, improvements and parking lots Maximum | Sep. 30, 2012 Buildings and improvements | Dec. 31, 2011 Buildings and improvements | Sep. 30, 2012 Buildings and improvements Minimum | Sep. 30, 2012 Buildings and improvements Maximum | Sep. 30, 2012 Kitchen cabinets | Dec. 31, 2011 Kitchen cabinets | Sep. 30, 2012 Kitchen cabinets Minimum | Sep. 30, 2012 Kitchen cabinets Maximum | Sep. 30, 2012 Carpets | Dec. 31, 2011 Carpets | Sep. 30, 2012 Carpets Minimum | Sep. 30, 2012 Carpets Maximum | Sep. 30, 2012 Air conditioning | Dec. 31, 2011 Air conditioning | Sep. 30, 2012 Air conditioning Minimum | Sep. 30, 2012 Air conditioning Maximum | Sep. 30, 2012 Laundry equipment | Dec. 31, 2011 Laundry equipment | Sep. 30, 2012 Laundry equipment Minimum | Sep. 30, 2012 Laundry equipment Maximum | Sep. 30, 2012 Elevators | Dec. 31, 2011 Elevators | Sep. 30, 2012 Swimming pools | Dec. 31, 2011 Swimming pools | Sep. 30, 2012 Equipment | Dec. 31, 2011 Equipment | Sep. 30, 2012 Equipment Minimum | Sep. 30, 2012 Equipment Maximum | Sep. 30, 2012 Motor vehicles | Dec. 31, 2011 Motor vehicles | Sep. 30, 2012 Fences | Dec. 31, 2011 Fences | Sep. 30, 2012 Fences Minimum | Sep. 30, 2012 Fences Maximum | Sep. 30, 2012 Furniture and fixtures | Dec. 31, 2011 Furniture and fixtures | Sep. 30, 2012 Furniture and fixtures Minimum | Sep. 30, 2012 Furniture and fixtures Maximum | Sep. 30, 2012 Smoke alarms | Dec. 31, 2011 Smoke alarms | Sep. 30, 2012 Smoke alarms Minimum | Sep. 30, 2012 Smoke alarms Maximum | May 18, 2011 Residential buildings Avon Street Apartments item | Jun. 02, 2011 Residential buildings Battle Green Apartments item | Sep. 30, 2012 Residential and mixed-use properties item | Sep. 30, 2012 Residential and mixed-use properties Partially owned properties item | Sep. 30, 2012 Residential and mixed-use properties Partially owned properties Minimum | Sep. 30, 2012 Residential and mixed-use properties Partially owned properties Maximum | Sep. 30, 2012 Condominium item
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units | 120 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 66 | 48 | 2,251 | 799 |  |  | 19
Number of properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 | 9 |  |  | 1
Percentage of ownership interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 43.20% | 57.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40.00% | 50.00% |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets | $ 160,764,301 |  | $ 159,123,799 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Less: Accumulated depreciation | (64,626,683) |  | (60,199,265) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets, net | 96,137,618 |  | 98,924,534 |  |  |  |  |  |  |  |  |  |  |  |  |  | 27,781,268 | 27,614,537 |  |  | 119,318,092 | 119,097,186 |  |  | 3,990,449 | 3,542,249 |  |  | 3,847,902 | 3,307,499 |  |  | 830,218 | 788,146 |  |  | 375,167 | 368,955 |  |  | 1,139,296 | 1,139,296 | 235,242 | 235,242 | 1,812,027 | 1,744,006 |  |  | 107,788 | 107,788 | 26,874 | 22,974 |  |  | 1,095,562 | 1,039,439 |  |  | 204,416 | 116,482 |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 years | 40 years |  |  | 15 years | 40 years |  |  | 5 years | 10 years |  |  | 5 years | 10 years |  |  | 7 years | 10 years |  |  | 5 years | 7 years | 20 years |  | 10 years |  |  |  | 5 years | 7 years | 5 years |  |  |  | 5 years | 10 years |  |  | 5 years | 7 years |  |  | 5 years | 7 years |  |  |  |  |  |  |
Sales price of real estate properties |  |  |  |  | 8,750,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of property |  |  |  |  | 7,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from sale of property |  | 8,297,928 |  |  | 5,444,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of real estate properties |  |  |  |  |  | 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  | 5,000,000 |  |  |  |  |  | 3,998,573 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  | 4.95% |  | 4.25% | 7.07% |  |  | 6.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of debt |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notice period demanding early payment |  |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization period of debt |  |  |  |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing cost associated with mortgage |  |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective interest rate (as a percent) |  |  |  | 5.62% |  |  |  | 5.07% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest paid | $ 5,854,000 | $ 6,008,000 |  |  |  |  |  |  |  |  |  | $ 38,123 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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