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Income Taxes - Components of Income Tax Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Current                      
Federal                 $ 50,971 $ 30,158 $ 10,902
State                 18,215 10,825 5,850
Total current expense                 69,186 40,983 16,752
Deferred                      
Federal                 14,957 4,882 8,263
State                 2,797 852 1,377
Total deferred expense                 17,754 5,734 9,640
Income tax expense $ 12,993 $ 36,263 $ 20,124 $ 17,560 $ 23,447 $ 12,016 $ 7,980 $ 3,274 $ 86,940 $ 46,717 $ 26,392