Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net - Asset Impairment (Details)

v3.5.0.2
Property and Equipment, Net - Asset Impairment (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Apr. 03, 2015
Property, Plant and Equipment [Line Items]        
Impairment loss $ 0 $ 541 $ 0  
Disposal Group, Disposed of by Sale, Not Discontinued Operations        
Property, Plant and Equipment [Line Items]        
Net cash proceeds       $ 1,509