DEBT OBLIGATIONS (Details 2) (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Debt Obligations
Total debt obligations	$ 519,806,000	$ 350,616,000
Greenville, South Carolina | Primary Beneficiary | Joint ventures | Construction loan
Debt Obligations
Maximum financing	38,623,000
Mortgages payable
Debt Obligations
Total debt obligations	482,406,000	313,216,000
Mortgages payable maturing in April 2022 | Yonkers, NY
Debt Obligations
Total debt obligations	1,767,000	1,863,000
Interest rate (as a percent)	5.25%
Mortgages payable maturing in April 2019 | Palm Beach Gardens, FL
Debt Obligations
Total debt obligations	44,874,000	45,200,000
Interest rate (as a percent)	3.78%
Mortgages payable maturing in April 2019 | Melbourne, FL
Debt Obligations
Total debt obligations	7,627,000	7,680,000
Interest rate (as a percent)	3.98%
Mortgages payable maturing in February 2015 | Marietta, GA
Debt Obligations
Total debt obligations	7,297,000	7,382,000
Interest rate (as a percent)	6.50%
Mortgages payable maturing in March 2022 | Lawrenceville, GA
Debt Obligations
Total debt obligations	4,652,000	4,687,000
Interest rate (as a percent)	4.49%
Mortgages payable maturing in July 2022 | Collierville, TN
Debt Obligations
Total debt obligations	25,680,000	25,680,000
Interest rate (as a percent)	3.91%
Mortgages payable maturing in November 2022 | North Charleston, SC
Debt Obligations
Total debt obligations	17,716,000	17,716,000
Interest rate (as a percent)	3.79%
Mortgages payable maturing in November 2022 | Nashville, TN
Debt Obligations
Total debt obligations	17,300,000
Interest rate (as a percent)	3.63%
Mortgages payable maturing in December 2022 | Cordova, TN
Debt Obligations
Total debt obligations	19,248,000	19,248,000
Interest rate (as a percent)	3.71%
Mortgages payable maturing in December 2022 | Decatur, GA
Debt Obligations
Total debt obligations	8,046,000	8,046,000
Interest rate (as a percent)	3.74%
Mortgages payable maturing in February 2023 | Panama City, FL
Debt Obligations
Total debt obligations	5,532,000	5,588,000
Interest rate (as a percent)	4.06%
Mortgages payable maturing in February 2023 | Houston, TX | LIBOR
Debt Obligations
Total debt obligations	6,493,000	6,625,000
Margin interest above reference rate (as a percent)	3.18%
Mortgages payable maturing in May 2023 | Houston, TX
Debt Obligations
Total debt obligations	13,200,000	13,200,000
Interest rate (as a percent)	3.95%
Mortgages payable maturing in May 2023 | Pooler, GA
Debt Obligations
Total debt obligations	26,400,000	26,400,000
Interest rate (as a percent)	4.00%
Mortgages payable maturing in October 2018 | Kennesaw, GA
Debt Obligations
Total debt obligations	35,900,000	35,900,000
Interest rate (as a percent)	3.99%
Mortgages payable maturing in October 2018 | Houston, TX (Palms)
Debt Obligations
Total debt obligations	24,100,000
Interest rate (as a percent)	4.85%
Mortgages payable maturing in November 2018, mortgage one | Houston (Pasadena), TX (Ashwood)
Debt Obligations
Total debt obligations	4,065,000
Interest rate (as a percent)	4.90%
Mortgages payable maturing in November 2018, mortgage two | Humble, TX (Meadowbrook)
Debt Obligations
Total debt obligations	7,875,000
Interest rate (as a percent)	4.90%
Mortgages payable maturing in November 2018, mortgage three | Humble, TX (Parkside)
Debt Obligations
Total debt obligations	5,025,000
Interest rate (as a percent)	4.90%
Mortgages payable maturing in November 2023 | Huntsville, AL
Debt Obligations
Total debt obligations	9,573,000
Interest rate (as a percent)	4.99%
Mortgages payable maturing in February 2045 | Columbus, OH
Debt Obligations
Total debt obligations	10,528,000
Interest rate (as a percent)	4.35%
Mortgages payable maturing in February 2024 | Indianapolis, IN
Debt Obligations
Total debt obligations	14,500,000
Interest rate (as a percent)	4.77%
Mortgages payable maturing in January 2019 | Greenville, South Carolina | LIBOR
Debt Obligations
Total debt obligations	5,828,000
Margin interest above reference rate (as a percent)	1.95%
Mortgages payable maturing In March 2019 | Little Rock, AK
Debt Obligations
Total debt obligations	4,063,000
Interest rate (as a percent)	3.93%
Mortgages payable maturing in April 2020 | Wichita, KS
Debt Obligations
Total debt obligations	10,384,000
Interest rate (as a percent)	5.91%
Mortgages payable maturing in May 2020 | Wichita, KS
Debt Obligations
Total debt obligations	3,372,000
Interest rate (as a percent)	4.06%
Mortgages payable maturing in July 2021 | Atlanta, GA
Debt Obligations
Total debt obligations	22,165,000
Interest rate (as a percent)	3.87%
Mortgages payable maturing in August 2021 | Houston, TX
Debt Obligations
Total debt obligations	11,475,000
Interest rate (as a percent)	4.07%
Mortgages payable maturing in January 2015 | 65 Market St - Newark, NJ
Debt Obligations
Total debt obligations	900,000	900,000
Interest rate (as a percent)	7.00%
Mortgages payable maturing in August 2030 | 909 Broad St - Newark, NJ
Debt Obligations
Total debt obligations	5,728,000	5,936,000
Interest rate (as a percent)	6.00%
Mortgages payable maturing in December 2030 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	22,748,000	22,748,000
Interest rate (as a percent)	5.50%
Mortgages payable maturing in December 2030 | Teachers Village - Newark, NJ | Primary Beneficiary | Newark Joint Venture | Newark Joint Venture special purpose subsidiaries
Debt Obligations
Interest rate (as a percent)	5.50%
Interest covered by United States Treasury Department (as a percent)	4.99%
Effective interest rate (as a percent)	0.51%
Mortgages payable maturing in February 2032 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	4,250,000	4,250,000
Interest rate (as a percent)	3.46%
Mortgages payable maturing in February 2022 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	938,000	963,000
Interest rate (as a percent)	2.00%
Mortgages payable maturing in February 2014 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations		211,000
Interest rate (as a percent)	2.50%
Mortgages payable maturing in February 2034 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	1,804,000	1,832,000
Mortgages payable maturing in August 2019 | Teachers Village - Newark, NJ | LIBOR
Debt Obligations
Total debt obligations	15,700,000	15,700,000
Margin interest above reference rate (as a percent)	3.00%
Mortgages payable maturing in September 2042 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	5,250,000	5,250,000
Interest rate (as a percent)	3.28%
Mortgages payable maturing in December 2023 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	18,147,000	14,762,000
Interest rate (as a percent)	8.65%
Mortgages payable maturing in August 2034 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	2,180,000	2,212,000
Mortgages payable maturing in September 2019 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	5,100,000	5,100,000
Interest rate (as a percent)	1.99%
Mortgages payable maturing In September 2024 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	2,000,000
Interest rate (as a percent)	15.00%
Mortgages payable maturing In September 2021 | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	10,260,000
Interest rate (as a percent)	5.50%
Mortgages payable maturing In September 2042 Two | Teachers Village - Newark, NJ
Debt Obligations
Total debt obligations	500,000
Interest rate (as a percent)	3.46%
Mortgages payable maturing in July 2023 | Hixson, TN
Debt Obligations
Total debt obligations	8,137,000	8,137,000
Interest rate (as a percent)	4.29%
Supplemental | Mortgages payable maturing in March 2022 | Lawrenceville, GA
Debt Obligations
Total debt obligations	1,605,000
Interest rate (as a percent)	5.46%
Supplemental | Mortgages payable maturing in December 2022 | Decatur, GA
Debt Obligations
Total debt obligations	$ 2,474,000
Interest rate (as a percent)	5.74%