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Unrecognized Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]    
Gross unrecognized tax benefits - beginning of the year $ 4,292 $ 4,069
Gross increases related to prior year tax positions 997  
Gross (decreases) related to prior year tax positions   (52)
Gross increases related to current year tax positions 1,794 1,484
Lapse of applicable statute of limitations (436) (1,209)
Gross unrecognized tax benefits - end of year $ 6,647 $ 4,292