Investments in Unconsolidated Entities - Narrative (Details) - USD ($)	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Sep. 30, 2016
Schedule of Equity Method Investments [Line Items]
Impairment of unconsolidated entity investments	$ 0	$ 0
Equity in income of unconsolidated entities	22,000	$ 60,000
Financial Guarantee
Schedule of Equity Method Investments [Line Items]
Outstanding guarantees	$ 0		$ 0