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Fair Value - Additional Information (Detail) - USD ($)
$ in Thousands
Sep. 30, 2020
Jun. 30, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other investments at fair value $ 600 $ 500
Investments with no readily determinable fair value 500 500
Borrowings under credit facility 180,000 180,000
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Borrowings under credit facility 180,000  
Israeli Severance Arrangements    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Carrying value of assets related to deposits $ 1,100 $ 1,000