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Income Taxes - Additional Information (Detail) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Tax Adjustments, Settlements, and Unusual Provisions |  |  | $ (35,000) | $ (31,000) | $ (1,000,000) |
Valuation Allowance Deferred Tax Asset Addition |  |  | 18,291,000 | 3,068,000 | 39,556,000 |
Valuation Allowance Deferred Tax Asset Deductions |  |  | 8,356,000 | 13,722,000 | $ 3,001,000 |
Debt Instrument, Face Amount | $ 128,250,000 | $ 128,250,000 | $ 128,250,000 | $ 128,250,000 |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  | 35.00% | 35.00% | 35.00% |
World Consolidated Loss Before Tax |  |  | $ 80,430,000 | $ 16,068,000 | $ 21,795,000 |
Income Tax Benefit |  |  | $ 8,116,000 | $ 407,000 | (24,453,000) |
Effective Income Tax Rate Reconciliation, Percent |  |  | 10.00% | 3.00% |  |
Deferred Tax Assets, Valuation Allowance | 74,480,000 | 64,545,000 | $ 74,480,000 | $ 64,545,000 | 75,199,000 | $ 38,644,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  | 3,100,000 |  |  |  |
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent |  | 15,900,000 |  | 15,900,000 |  |
Decrease in balance as a result of a lapse of the applicable statues of limitations |  |  | 1,000,000 | 900,000 | 9,500,000 |
Gross unrecognized tax benefits including interest and penalties | 19,200,000 |  | 19,200,000 |  |  |
Accrued potential interest related to unrecognized tax benefits | 500,000 | $ 500,000 | 500,000 | 500,000 |  |
Cumulative Undistributed Earnings of non-U.S. subsidiaries intended to be indefinitely reinvested | $ 7,000,000 |  | $ 7,000,000 |  |  |
More Likely Than Not Threshold Recognition of Uncertain Tax Position | 50.00% |  | 50.00% |  |  |
California Franchise Tax Board [Member] |  |  |  |  |  |
Operating Loss Carryforwards | $ 31,300,000 |  | $ 31,300,000 |  |  |
California Franchise Tax Board [Member] | Net Operating Loss due to Stock Options [Member] |  |  |  |  |  |
Tax credit carryovers | 5,900,000 |  | 5,900,000 |  |  |
Domestic Tax Authority [Member] |  |  |  |  |  |
Deferred Tax Assets, Valuation Allowance |  |  |  |  | 34,000,000 |
State [Member] |  |  |  |  |  |
Operating Loss Carryforwards | 23,100,000 |  | 23,100,000 |  |  |
Tax credit carryovers | 32,600,000 |  | $ 32,600,000 |  |  |
Tax credit expiration |  |  | will not expire |  |  |
Foreign [Member] |  |  |  |  |  |
Operating Loss Carryforwards | 103,700,000 |  | $ 103,700,000 |  |  |
Federal [Member] |  |  |  |  |  |
Operating Loss Carryforwards | 23,100,000 |  | 23,100,000 |  |  |
Tax credit carryovers | 10,000,000 |  | $ 10,000,000 |  |  |
Year that federal tax credits expire |  |  | Jan. 01, 2031 |  |  |
Federal [Member] | Net Operating Loss due to Stock Options [Member] |  |  |  |  |  |
Tax credit carryovers | 1,400,000 |  | $ 1,400,000 |  |  |
Federal AMT [Member] |  |  |  |  |  |
Tax credit carryovers | 2,700,000 |  | $ 2,700,000 |  |  |
Tax credit expiration |  |  | will not expire |  |  |
Switzerland [Member] |  |  |  |  |  |
Tax savings due to reduction in tax rate |  |  | $ 700,000 | $ 700,000 | $ 700,000 |
Increase in diluted earnings per share |  |  | $ 0.008 | $ 0.008 | $ 0.008 |
Benefits from a tax ruling |  |  | The Company’s operations in Switzerland are subject to a reduced tax rate under the Switzerland tax holiday which requires various thresholds of investment and employment in Switzerland. |  |  |
Additional period for renewal for investment and employment in foreign country |  |  | effective through the end of 2018 |  |  |
Minimum [Member] | State [Member] |  |  |  |  |  |
Operating loss carryforwards, expiration date |  |  | Jan. 01, 2017 |  |  |
Maximum [Member] | State [Member] |  |  |  |  |  |
Operating loss carryforwards, expiration date |  |  | Jan. 01, 2036 |  |  |
Valuation Allowance, Stock-based Compensation [Member] |  |  |  |  |  |
Valuation Allowance Deferred Tax Asset Deductions |  |  | $ 8,400,000 |  |  |
Valuation Allowance of Deferred Tax Assets [Member] | Domestic Tax Authority [Member] |  |  |  |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  |  |  |  | $ 29,000,000 |
Valuation Allowance, Operating Loss Carryforwards [Member] |  |  |  |  |  |
Valuation Allowance Deferred Tax Asset Addition | $ 18,300,000 |  |  |  |  |
Federal NOL Carryback and R&D Credits [Member] | Domestic Tax Authority [Member] |  |  |  |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  |  |  |  | (5,000,000) |
Tax Year 2010 [Member] | Federal [Member] |  |  |  |  |  |
Income Tax Benefit |  |  |  |  | 9,000,000 |
Decrease in balance as a result of a lapse of the applicable statues of limitations |  |  |  |  | 9,000,000 |
Tax Year 2008 to 2012 [Member] [Member] |  |  |  |  |  |
Decrease in balance as a result of a lapse of the applicable statues of limitations |  |  | 200,000 | $ 200,000 | $ 1,800,000 |
Tax Year 2011 [Member] | Federal [Member] |  |  |  |  |  |
Decrease in balance as a result of a lapse of the applicable statues of limitations |  |  |  | $ 500,000 |  |
Tax Year 2012 [Member] | Federal [Member] |  |  |  |  |  |
Decrease in balance as a result of a lapse of the applicable statues of limitations |  |  | $ 1,100,000 |  |  |

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