Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jan. 01, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Line Items]
Tax cuts and jobs act of 2017, incomplete accounting, provisional income tax expense		$ 19,997	$ 20,153
Tax cuts and jobs act of 2017, incomplete accounting, change in tax rate, deferred tax balances, income tax expense		4,950
Tax cuts and jobs act of 2017, incomplete accounting, provisional income tax expense related to onetime transition tax liability of foreign subsidiaries		$ 24,625
Tax cuts and jobs act of 2017, incomplete accounting, benefit included in provision for income taxes to offset one-time transition tax related to previous deferred tax liability that existed for undistributed foreign earnings that were not permanently reinvested			$ 9,578
Statutory Federal income tax rate		21.00%	34.00%	34.00%
Income tax holiday, amount of corporate income tax savings realized		$ 16,220	$ 34,028	$ 33,965
Total unrecognized tax benefits		$ 2,854	4,522	$ 4,486	$ 4,443
Macedonia
Income Taxes [Line Items]
Income tax holiday, description		The government of Macedonia granted the Company a tax holiday that released the Company from the obligation to pay corporate income taxes for a ten year period, subject to certain limitations.
Income tax holiday, period		10 years
Income tax holiday, amount of corporate income tax savings realized		$ 0	0
ASU 2016-09
Income Taxes [Line Items]
Adjustment to retained earnings due to adoption	$ 1,496		$ 1,496
Reduction of effective tax rate			2.00%
Preferred Financing
Income Taxes [Line Items]
Net operating loss carryforward annual limitation		591
Net operating loss carryforward expected to expire		2,191
Net operating loss expired		$ 17,158
U.S. State | Earliest Tax Year
Income Taxes [Line Items]
Operating loss carryforward, year of expiration		2019
U.S. State | Latest Tax Year
Income Taxes [Line Items]
Operating loss carryforward, year of expiration		2037
Non-U.S. Subsidiaries
Income Taxes [Line Items]
Operating loss carryforward, amount		$ 21,688
Operating loss valuation allowance		5,746
Foreign Jurisdictions
Income Taxes [Line Items]
Operating loss carryforward, amount		$ 15,912
Foreign Jurisdictions | Earliest Tax Year
Income Taxes [Line Items]
Operating loss carryforward, year of expiration		2019
Foreign Jurisdictions | Latest Tax Year
Income Taxes [Line Items]
Operating loss carryforward, year of expiration		2038
Indefinite
Income Taxes [Line Items]
Operating loss carryforward, amount		$ 5,776
Net operating loss carryforward, year of expiration		no expiration date