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Schedule of Effect of Derivative Instruments in Statement of Operations Recognized (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Other (income) expense, net      
Derivative Instruments, Gain (Loss) [Line Items]      
Losses on derivatives recognized in statements of operations $ 3,515 $ 5,960 $ 7,386