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Income Taxes (Narrative) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Income tax expense (benefit), intraperiod tax allocation $ 52,164 $ 31,420 $ 14,522
Operating loss carryforwards $ 28,400