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Goodwill and Other Intangible Assets - Schedule of Indefinite-lived, Definite-lived Intangible Assets and Goodwill (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]        
Definite- Lived Intangibles, Beginning balance   $ 1,565 $ 917  
Definite- Lived Intangibles, Intangibles acquired   483 865  
Definite- Lived Intangibles, Impairment    
Definite- Lived Intangibles, Amortization   (254) (217)  
Definite- Lived Intangibles, Ending balance $ 1,565 1,794 1,565 $ 917
Indefinite-Lived Intangibles, Beginning balance   72,859 51,849  
Indefinite-Lived Intangibles, Intangibles acquired   22,411  
Indefinite-Lived Intangibles, Impairment   (3,121) (1,401)  
Indefinite-Lived Intangibles, Amortization    
Indefinite-Lived Intangibles, Ending balance 72,859 69,738 72,859 51,849
Goodwill, Beginning balance   43,866 45,847  
Goodwill, Intangibles acquired   559 2,716  
Goodwill, Impairment (3,300) (4,697)
Goodwill, Amortization    
Goodwill, Ending balance $ 43,866 $ 44,425 $ 43,866 $ 45,847