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Debt - Schedule of Term Loans (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Debt Discount/ Issuance Costs $ 0 $ (1,182)
Secured Debt | New Term Loan Agreement    
Debt Instrument [Line Items]    
Principal Amount 134,801 0
Debt Discount/ Issuance Costs (12,319) 0
Net Amount 122,482 $ 0
Accrued paid-in-kind interest $ 1,300