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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 01, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income Taxes [Line Items] |  |  |  |  |  |  |
Statutory Federal income tax rate |  |  |  | 34.00% | 34.00% | 34.00% |
Tax cuts and jobs act of 2017, incomplete accounting, provisional income tax expense |  |  |  | $ 20,153 |  |  |
Tax cuts and jobs act of 2017, incomplete accounting, change in tax rate, deferred tax balances, provisional income tax expense |  |  |  | 5,808 |  |  |
Tax cuts and jobs act of 2017, incomplete accounting, provisional income tax expense related to onetime transition tax liability of foreign subsidiaries |  |  |  | 23,923 |  |  |
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 |  |  |  | 34.00% | 34.00% | 34.00% |
Adjustment to retained earnings due to adoption |  |  |  | $ 1,496 |  |  |
Income tax holiday, amount of corporate income tax savings realized |  |  |  | 34,028 | $ 33,965 | $ 33,545 |
Total unrecognized tax benefits |  |  |  | $ 4,522 | 4,486 | $ 4,443 | $ 4,651
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 |  |  |  | 6,025 |  |  |
Net operating loss expired |  |  |  | $ 13,324 |  |  |
U.S. State | Earliest Tax Year |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Operating loss carryforward, year of expiration |  |  |  | 2018 |  |  |
U.S. State | Latest Tax Year |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Operating loss carryforward, year of expiration |  |  |  | 2036 |  |  |
Non-U.S. Subsidiaries |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Operating loss carryforward, amount |  |  |  | $ 37,410 |  |  |
Operating loss valuation allowance |  |  |  | 22,294 |  |  |
Foreign Jurisdictions |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Operating loss carryforward, amount |  |  |  | $ 12,499 |  |  |
Foreign Jurisdictions | Earliest Tax Year |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Operating loss carryforward, year of expiration |  |  |  | 2018 |  |  |
Foreign Jurisdictions | Latest Tax Year |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Operating loss carryforward, year of expiration |  |  |  | 2037 |  |  |
Indefinite |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Operating loss carryforward, amount |  |  |  | $ 24,911 |  |  |
Net operating loss carryforward, year of expiration |  |  |  | no expiration date |  |  |
Scenario, Forecast |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Statutory Federal income tax rate |  |  | 21.00% |  |  |  |
Statutory Federal income tax rate |  |  | 21.00% |  |  |  |

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