Discontinued Operations - Statement of Operations (Details) - RBHTRB Newark Holdings LLC [Member] - Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Feb. 23, 2016	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Rental and other revenue from real estate properties		$ 900	$ 1,088	$ 2,437	$ 2,070
Other income		174	261	444	530
Total revenues		1,074	1,349	2,881	2,600
Expenses:
Real estate operating expenses		944	1,099	2,277	2,143
Interest expense		845	1,127	2,242	2,567
Depreciation		473	571	1,150	1,071
Total expense		2,262	2,797	5,669	5,781
Income from discontinued operations		(1,188)	(1,448)	(2,788)	(3,181)
Gain on sale of partnership interest	$ 15,467	15,467	0	15,467	0
Discontinued operations		$ 14,279	$ (1,448)	$ 12,679	$ (3,181)