Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Net Deferred Tax Assets and Liabilities (Detail)

v3.8.0.1
Income Taxes - Components of Net Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]    
Other Assets — Long-term $ 2,816 $ 2,644
Deferred Tax Liabilities — Long-term (5,121) (11,297)
Net Deferred Tax Liabilities $ (2,305) $ (8,653)