Represents the useful life of constituents of rental properties.

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Period Type:	instant

- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The cumulative amount of depreciation for real estate property held for investment purposes.

+ 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(3))

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 7

+ Details

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Balance Type:	credit
Period Type:	instant

- 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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

+ Details

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Balance Type:	debit
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- Details

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RENTAL PROPERTIES (Details) (USD $)	3 Months Ended
RENTAL PROPERTIES (Details) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Rental properties
Total fixed assets	$ 222,002,850	$ 221,454,286
Less: Accumulated depreciation	(70,791,496)	(68,549,625)
Total fixed assets, net	151,211,354	152,904,661
Land, improvements and parking lots
Rental properties
Total fixed assets	43,919,728	43,919,728
Land, improvements and parking lots \| Minimum
Rental properties
Useful Life	15 years
Land, improvements and parking lots \| Maximum
Rental properties
Useful Life	40 years
Buildings and improvements
Rental properties
Total fixed assets	152,229,117	152,130,635
Buildings and improvements \| Minimum
Rental properties
Useful Life	15 years
Buildings and improvements \| Maximum
Rental properties
Useful Life	40 years
Kitchen cabinets
Rental properties
Total fixed assets	6,057,285	5,956,078
Kitchen cabinets \| Minimum
Rental properties
Useful Life	5 years
Kitchen cabinets \| Maximum
Rental properties
Useful Life	10 years
Carpets
Rental properties
Total fixed assets	5,958,327	5,820,516
Carpets \| Minimum
Rental properties
Useful Life	5 years
Carpets \| Maximum
Rental properties
Useful Life	10 years
Air conditioning
Rental properties
Total fixed assets	707,928	707,928
Air conditioning \| Minimum
Rental properties
Useful Life	5 years
Air conditioning \| Maximum
Rental properties
Useful Life	10 years
Laundry equipment
Rental properties
Total fixed assets	411,837	404,775
Laundry equipment \| Minimum
Rental properties
Useful Life	5 years
Laundry equipment \| Maximum
Rental properties
Useful Life	7 years
Elevators
Rental properties
Total fixed assets	1,139,296	1,139,296
Elevators \| Minimum
Rental properties
Useful Life	20 years
Elevators \| Maximum
Rental properties
Useful Life	40 years
Swimming pools
Rental properties
Total fixed assets	444,629	444,629
Swimming pools \| Minimum
Rental properties
Useful Life	10 years
Swimming pools \| Maximum
Rental properties
Useful Life	30 years
Equipment
Rental properties
Total fixed assets	5,154,087	5,038,530
Equipment \| Minimum
Rental properties
Useful Life	5 years
Equipment \| Maximum
Rental properties
Useful Life	7 years
Motor vehicles
Rental properties
Total fixed assets	86,657	86,657
Useful Life	5 years
Fences
Rental properties
Total fixed assets	24,670	24,670
Fences \| Minimum
Rental properties
Useful Life	5 years
Fences \| Maximum
Rental properties
Useful Life	15 years
Furniture and fixtures
Rental properties
Total fixed assets	5,632,572	5,564,621
Furniture and fixtures \| Minimum
Rental properties
Useful Life	5 years
Furniture and fixtures \| Maximum
Rental properties
Useful Life	7 years
Smoke alarms
Rental properties
Total fixed assets	$ 236,719	$ 216,223
Smoke alarms \| Minimum
Rental properties
Useful Life	5 years
Smoke alarms \| Maximum
Rental properties
Useful Life	7 years
Residential and mixed-use properties
RENTAL PROPERTIES
Number of units	2,412
Number of properties	20
Residential and mixed-use properties \| Partially owned properties
RENTAL PROPERTIES
Number of units	797
Number of properties	9
Residential and mixed-use properties \| Partially owned properties \| Minimum
RENTAL PROPERTIES
Percentage of ownership interest	40.00%
Residential and mixed-use properties \| Partially owned properties \| Maximum
RENTAL PROPERTIES
Percentage of ownership interest	50.00%
Condominium
RENTAL PROPERTIES
Number of units	19