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Product Development Obligations - Additional Information (Detail) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) DevelopmentObligation | Dec. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |
Number of product development obligations | DevelopmentObligation | 11 |
Accrued product development costs excluding interest | $ 10.7 | $ 11.6
Accrued Interest | $ 6.9 | $ 7.1
Bank of Finland Interest Rate [Member] |  |
Debt Instrument [Line Items] |  |
Percentage points deducted to reference rate to compute effective interest rate | 1.00% |
Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate on product development advances | 3.00% |

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