Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Impairment of Long-Lived Assets (Details)

v3.5.0.2
Summary of Significant Accounting Policies - Impairment of Long-Lived Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Accounting Policies [Abstract]      
Impairment loss $ 0 $ 541 $ 0