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Goodwill and Intangible Assets - Schedule of Indefinite-lived Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]    
Definite- Lived Intangibles, Beginning balance $ 5,169 $ 675
Definite- Lived Intangibles, Intangibles acquired 5,231
Definite- Lived Intangibles, Impairment and disposal (4,003)
Definite- Lived Intangibles, Amortization and other (752) (737)
Definite- Lived Intangibles, Ending balance 414 5,169
Licenses, Beginning balance 55,828 53,968
Licenses, Intangibles acquired 3,565
Licenses, Impairment (4,053) (1,654)
Licenses, Amortization and other (51)
Licenses, Ending balance 51,775 55,828
Goodwill, Beginning balance 52,641 43,374
Goodwill, Intangibles acquired 9,267
Goodwill, Imapairment (6,720)
Goodwill, Amortization and other
Goodwill, Ending balance $ 45,921 $ 52,641