CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Statement of Financial Position [Abstract]
Real estate properties, accumulated depreciation	$ 40,640	$ 27,424
Preferred shares, par value (in dollars per share)	$ 1	$ 1
Preferred shares, authorized (in shares)	10,000	10,000
Preferred shares, issued (in shares)	0	0
Shares of beneficial interest, par value (in dollars per share)	$ 3	$ 3
Shares of beneficial interest, issued (in shares)	13,428	13,655