Summary of the financial position and results of operations (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Summary of the financial position and results of operations
Real estate, net of accumulated depreciation;	$ 15,087	$ 44,306
Notes receivable;	67,419	44,328
Other assets;	128,587	135,883
Notes payable;	(52,036)	(60,237)
Other liabilities;	(92,664)	(93,483)
Shareholders' equity;	$ (66,393)	$ (70,797)