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Summary of Significant Accounting Policies and Basis of Presentation - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents |  | $ 144,479 | $ 85,700 | $ 54,885 | $ 58,152
Depreciation expense |  | 16,360 | 14,930 | 14,810 |
Loss from write-off of intangible assets |  | 358 |  |  |
Share based compensation expense |  | 12,316 | 8,601 | 3,103 |
Related deferred tax benefit |  | 3,129 | 2,006 |  |
Additional one-time income tax payment |  | 33,545 | 24,102 | 11,097 |
Scenario forecast |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Expects to pay withholding tax in Canada one-time tax expense | $ 6,000 |  |  |  |
Additional one-time income tax payment | $ 30,000 |  |  |  |
Stock options outstanding under the 1993,1997, 2006 and 2011 Stock Option Plans |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Share based compensation expense |  | 12,316 | 8,601 | 3,103 |
Related deferred tax benefit |  | 3,787 | 2,949 | 419 |
Production tooling |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Reimbursable tooling capitalized within prepaid expenses and other current assets |  | $ 5,174 | 3,990 |  |
Minimum |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Payment terms of contracts |  | 30 days |  |  |
Minimum | Production tooling |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Property plant and equipment, estimated useful life |  | 2 years |  |  |
Maximum |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Payment terms of contracts |  | 120 days |  |  |
Maximum | Production tooling |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Property plant and equipment, estimated useful life |  | 5 years |  |  |
Patents |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Amortization of intangibles |  | $ 12,751 | $ 16,941 | $ 17,570 |
Loss from write-off of intangible assets |  | $ 317 |  |  |
Concentration of Credit Risk | Accounts receivable | Lear Corporation |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Percentage of accounts receivable balance |  | 28.00% | 27.00% |  |
Concentration of Credit Risk | Accounts receivable | Johnson Controls Inc. |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Percentage of accounts receivable balance |  | 27.00% | 27.00% |  |
Concentration of Credit Risk | Accounts receivable | Faurecia |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Percentage of accounts receivable balance |  | 5.00% |  |  |
Concentration of Credit Risk | Accounts receivable | Magna International Inc. |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Percentage of accounts receivable balance |  |  | 5.00% |  |
Foreign Jurisdictions |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents |  | $ 140,088 | $ 81,488 |  |

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