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Income Taxes - Components of Provision (Benefit) for Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Current:    
Federal $ (1,798) $ (4,742)
State 123 (146)
Total current (1,675) (4,888)
Deferred:    
Federal 3,536 7,620
State (440) 246
Total deferred 3,096 7,866
Total income tax provision (benefit) $ 1,421 $ 2,978