• Filing Date: 2017-02-22
  • Form Type: 10-K
  • Description: Annual report
v3.6.0.2
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, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Income taxes at statutory rate $ 16,395 $ 37,167 $ 35,337
State income taxes, net of federal tax benefits 1,710 3,783 3,601
Other (270) (619) (640)
Income tax expense $ 17,835 $ 40,331 $ 38,298
Income taxes at statutory rate, percentage 35.00% 35.00% 35.00%
Increase (decrease) in income taxes resulting from:      
State income taxes, net of federal tax benefits, percentage 3.60% 3.60% 3.60%
Other, percentage (0.50%) (0.60%) (0.70%)
Income tax expense, percentage 38.10% 38.00% 37.90%