BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Property, Plant and Equipment [Line Items]
Impairment of project	$ 2,500,000			$ 5,000,000
Impairment of property plant and equipment		$ 0	$ 0
Buildings and land improvements
Property, Plant and Equipment [Line Items]
Estimated useful life		40 years
Furniture and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life		3 years
Furniture and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life		7 years