RELATED PARTY TRANSACTIONS (Details) (USD $)	0 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		21 Months Ended		3 Months Ended			3 Months Ended
	Mar. 20, 2013 Peachtree Parkway acre	Feb. 07, 2013 Peachtree Parkway acre	Mar. 31, 2013 Minimum item	Mar. 31, 2013 North Springs item	Mar. 31, 2013 Peachtree Parkway	Oct. 09, 2012 Peachtree Parkway acre	Mar. 31, 2013 Roberts Companies Contract for development and construction of real estate assets Apartment communities item	Mar. 31, 2013 Roberts Companies Office leases Northridge Office Building	Mar. 31, 2013 Roberts Properties Northridge land sale	Jun. 30, 2011 Roberts Properties Northridge land sale acre	Mar. 31, 2013 Roberts Properties Design and Development Agreements Highway 20	Mar. 31, 2013 Roberts Properties Other Payments	Jan. 02, 2013 Roberts Properties Office leases Northridge Office Building sqft	Mar. 31, 2013 Roberts Construction Construction Contracts	Mar. 31, 2013 Roberts Construction Construction Contracts Northridge property	Mar. 31, 2013 Roberts Construction Other Payments	Jan. 02, 2013 Roberts Construction Office leases Northridge Office Building sqft
Related party transactions
Number of disinterested directors required for authorizing all conflicting interest transactions			2
Number of properties sold or agreed to be sold							22
Number of units				356			4,648
Sales price				$ 16,600,000		$ 7,590,000	$ 431,701,143			$ 4,070,000
Additions to cost for profit as percentage of cost					5.00%									5.00%
Additions to cost for overhead as percentage of cost					5.00%									5.00%
Design and Development Agreements, Total contract amount											1,050,000
Amounts incurred											0
Remaining contractual commitment											425,000
Amounts incurred for labor and materials costs														999	999
Amounts incurred for 5% overhead and 5% profit														100	100
Payments for labor and material costs																51,690
Reimbursement of cost									383,373			4,770
Costs incurred for consulting services												42,523
Rentable area (in square feet)													4,431				1,920
Lease term								1 year
Rental rate per rentable square foot								17.00
Total rental income								26,992
Area of land sold (in acres)	1.5	20.6				20.6				11
Payment required to release a restrictive covenant on the property		500,000
Expected reimbursement of development and construction expenses										303,789
Sale proceeds used to repay loan		7,000,200
Gain on disposal of assets	$ 39,741	$ 1,214,192