Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Provision (Loss) for Income Taxes (Detail)

v3.6.0.2
Income Taxes - Schedule of Provision (Loss) for Income Taxes (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income (loss) before provision for income taxes:      
Income before provision for income taxes $ 107,102 $ 113,368 $ 82,983
Federal:      
Current 36,228 39,895 28,452
Deferred (337) (1,853) (566)
Provision for Income Taxes, Federal 35,891 38,042 27,886
State:      
Current 6,700 7,058 4,123
Deferred (146) 1,918 1,443
Provision for Income Taxes, State 6,554 8,976 5,566
Provision for income taxes 42,445 47,018 33,452
United States [Member]      
Income (loss) before provision for income taxes:      
Income before provision for income taxes 108,797 116,448 84,797
Foreign [Member]      
Income (loss) before provision for income taxes:      
Income before provision for income taxes $ (1,695) $ (3,080) $ (1,814)