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Revolving Credit Facility - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Line of Credit Facility [Line Items]            
Interest expense for revolving credit facility $ 3,020   $ 2,884 $ 5,990 $ 7,221  
Long-term Line of Credit 23,750     23,750   $ 9,750
Revolving Credit Facility [Member]            
Line of Credit Facility [Line Items]            
Additional borrowings from revolving credit facility   $ 14,000        
Interest expense for revolving credit facility 162   127 315 196  
Amortization of Debt Issuance Costs 40   $ 40 79 $ 79  
Long-term Line of Credit $ 23,750     $ 23,750