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)

v3.19.2
Income Taxes - Components of Provision for Income Taxes and Income before Provision for Income Taxes (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Income Tax Disclosure [Abstract]        
Income tax expense at the federal statutory rate, amount $ 6,249 $ 6,368 $ 10,721 $ 11,474
State income tax expense, net of federal benefit, amount 1,346 1,415 2,240 2,511
Windfall tax benefits, net related to stock-based compensation, amount 11 (28) (254) (245)
Change in valuation allowance, amount 200 74 466 121
Permanent and other items, amount 672 326 962 596
Provision for income taxes, amount $ 8,478 $ 8,155 $ 14,135 $ 14,457
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 4.50% 4.70% 4.40% 4.60%
Windfall tax benefits, net related to stock-based compensation, rate 0.00% (0.10%) (0.50%) (0.50%)
Change in valuation allowance, rate 0.70% 0.20% 0.90% 0.20%
Permanent and other items, rate 2.30% 1.10% 1.90% 1.10%
Provision for income taxes, rate 28.50% 26.90% 27.70% 26.40%