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Debt - Summary of Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Debt Instrument [Line Items]      
Line of credit $ 25,822 $ 20,000  
Debt issuance costs (3,812) (4,766)  
Total term debt 216,501 227,297  
Less: current portion 13,685 10,593  
Long-term debt, net 202,816 216,704  
New Revolving Credit Facility      
Debt Instrument [Line Items]      
Line of credit 25,822 20,000 $ 10,800
New Term Loan Facility      
Debt Instrument [Line Items]      
New Term Loan Facility $ 220,313 $ 232,063