Income Taxes - Components of Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income (loss) before income taxes
Domestic	$ (6,127)	$ (2,634)	$ (2,021)
Foreign	(54,106)	125,519	(1,165)
Income (loss) before income taxes	(60,233)	122,885	(3,186)
Current income taxes expense (benefit)
Domestic	(2,258)us-gaap_CurrentFederalTaxExpenseBenefit	6,170us-gaap_CurrentFederalTaxExpenseBenefit	54us-gaap_CurrentFederalTaxExpenseBenefit
Foreign	4,875us-gaap_CurrentForeignTaxExpenseBenefit	4,533us-gaap_CurrentForeignTaxExpenseBenefit	6,038us-gaap_CurrentForeignTaxExpenseBenefit
Uncertain tax position liability	(80)	189	548
Current income taxes expense	2,537us-gaap_CurrentIncomeTaxExpenseBenefit	10,892us-gaap_CurrentIncomeTaxExpenseBenefit	6,640us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred income taxes expense
Foreign	1,433	1,955	1,475
Income tax expenses	3,970us-gaap_IncomeTaxExpenseBenefit	12,847us-gaap_IncomeTaxExpenseBenefit	8,115us-gaap_IncomeTaxExpenseBenefit
Effective tax rate		10.50%
Domestic [Member]
Current income taxes expense (benefit)
Uncertain tax position liability	(87)	14	41
Foreign [Member]
Current income taxes expense (benefit)
Uncertain tax position liability	$ 7	$ 175	$ 507

Liability For Income Taxes Associated With Uncertain Tax Positions Net

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