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Former Credit Facility - Additional Information (Detail) - USD ($)
$ in Thousands
9 Months Ended
Jun. 16, 2020
Sep. 30, 2020
Debt Instrument [Line Items]    
Loss on extinguishment of debt   $ (2,387)
Former Credit Facility [Member]    
Debt Instrument [Line Items]    
Repayments of Debt $ 174,000  
Term Loan and Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Loss on extinguishment of debt   (2,387)
Interest expense   $ 4,086