Forgivable Loans Receivable - Narrative (Details) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Investments in and Advances to Affiliates [Line Items]
Notes receivable, interest range (up to) (as a percent)	9.00%
Forgiveness of loans	$ 538,000	$ 243,000
Allowance for doubtful accounts, receivable	573,000	336,000
Other receivables	3,709,000	3,998,000
Loans Receivable
Investments in and Advances to Affiliates [Line Items]
Allowance for doubtful accounts, receivable	0	0
Ended Affiliation
Investments in and Advances to Affiliates [Line Items]
Other receivables	$ 0	$ 0