Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Components of Provision for Income Taxes and Income before Provision for Income Taxes (Detail)

v3.20.2
Income Taxes - Components of Provision for Income Taxes and Income before Provision for Income Taxes (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Income Tax Disclosure [Abstract]        
Income tax expense at the federal statutory rate, amount $ 1,671 $ 5,526 $ 5,689 $ 16,247
State income tax expense, net of federal benefit, amount 453 1,118 1,403 3,359
Shortfall (windfall) tax benefits, net related to stock-based compensation, amount 130 53 203 (201)
Change in valuation allowance, amount 134 408 594 874
Permanent and other items, amount (472) (81) (14) 880
Provision for income taxes, amount $ 1,916 $ 7,024 $ 7,875 $ 21,159
Income tax expense at the federal statutory rate, rate 21.00% 21.00% 21.00% 21.00%
State income tax expense, net of federal benefit, rate 5.70% 4.20% 5.20% 4.30%
Shortfall (windfall) tax benefits, net related to stock-based compensation, rate 1.60% 0.20% 0.70% (0.20%)
Change in valuation allowance, rate 1.70% 1.60% 2.20% 1.10%
Permanent and other items, rate (5.90%) (0.30%) 0.00% 1.10%
Provision for income taxes, rate 24.10% 26.70% 29.10% 27.30%