Annual report pursuant to Section 13 and 15(d)

Reconciliation Between Income Tax Expenses (Parenthetical) (Detail)

v3.8.0.1
Reconciliation Between Income Tax Expenses (Parenthetical) (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
Income Tax Disclosure [Abstract]  
One-time benefit due to re-measurement of net deferred tax liabilities $ (79,834)
Deemed repatriation tax amount 14,512
Reduction in deferred tax assets with regard to foreign tax credit carryforwards $ 20,433