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Intangible Assets Including Goodwill - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization expense $ 900 $ 800  
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 42,557   $ 42,604
Intellectual Property [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 2,579   2,579
Customer Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 38,525   38,572
Noncompete Agreements [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross $ 1,453   $ 1,453
Finite-Lived Intangible Asset, Useful Life 4 years 4 years  
Minimum [Member] | Intellectual Property [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 10 years 10 years  
Minimum [Member] | Customer Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 6 years 6 years  
Maximum [Member] | Intellectual Property [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 15 years 15 years  
Maximum [Member] | Customer Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 15 years 15 years