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Income Taxes - Components of Provision (Benefit) for Income Taxes (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Current:    
Federal $ 81 $ 950
State 59 80
Total current 140 1,030
Deferred:    
Federal 1,802 (1,491)
State 574 (56)
Total deferred 2,376 (1,547)
Total income tax provision (benefit) $ 2,516 $ (517)