CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 32,302	$ (2,773)
Other comprehensive income:
Unrealized gain on derivative instruments	3,268	20
Other comprehensive income	3,268	20
Comprehensive income (loss)	35,570	(2,753)
Comprehensive income (loss) attributable to non-controlling interests	17,531	(736)
Comprehensive income (loss) attributable to common shareholders	$ 18,039	$ (2,017)