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Debt - Summary of Company's Total Outstanding Borrowings (Detail) - USD ($)
$ in Thousands
Jun. 30, 2019
Jan. 03, 2019
Debt Instrument [Line Items]    
Principal amount outstanding $ 141,875  
Less: Deferred financing fees (2,522)  
Net carrying amount 139,353  
Term Loans [Member]    
Debt Instrument [Line Items]    
Principal amount outstanding 121,875 $ 125,000
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Principal amount outstanding $ 20,000