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Financial Instruments and Fair Value Disclosures - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Trade receivables past due $ 6,900  
Trade receivables reserved for previous years 5,500  
Trade receivables, less than 90 Days past due 1,400  
Allowance for credit losses $ 5,760 $ 5,459
Measurement period for determining fair value of debt instruments 10 days  
ASU 2016-13    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Estimate of credit losses $ 300