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Financial Derivatives - Deferred Gains (Losses) and Related Taxes on Cash Flow Hedges (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Derivative Instruments And Hedging Activities Disclosure [Abstract]    
Deferred gains (losses) in AOCI $ 976 $ 2,221
Tax on deferred gains (losses) in AOCI (28) 69
Deferred gains (losses) in AOCI, net of taxes 948 $ 2,290
Deferred gains (losses) expected to be reclassified to "Revenues" from AOCI during the next twelve months $ 976