• Filing Date: 2019-03-08
  • Form Type: 10-K
  • Description: Annual report
v3.10.0.1
Income Taxes - Summarized the Differences Between the Statutory Federal Income Tax Rate and the Effective Tax Rate (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Income taxes at statutory rate $ 5,649 $ (5,468) $ 16,395
State income taxes, net of federal tax benefits 1,303 (657) 1,710
Effects of tax rate changes   (1,400)  
Share-based compensation 2,156 (705)  
Other 69 (501) (270)
Income tax expense (benefit) $ 9,177 $ (8,731) $ 17,835
Income taxes at statutory rate, percentage 21.00% 35.00% 35.00%
Increase (decrease) in income taxes resulting from:      
State income taxes, net of federal tax benefits, percentage 4.80% 4.20% 3.60%
Effects of tax rate changes, percentage   9.00%  
Share-based compensation, percentage 8.00% 4.50%  
Other, percentage 0.30% 3.20% (0.50%)
Income tax (benefit) expense, percentage 34.10% 55.90% 38.10%