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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill $ 10,996,000   $ 10,996,000
Amortization expense $ 300,000 $ 50,000