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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill $ 0   $ 0
Amortization expense $ 600,000 $ 600,000 $ 1,200,000