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Significant Accounting Policies - Additional Information (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 USD ($) Customer Sales | Sep. 30, 2021 USD ($) Segment Customer Sales | Sep. 30, 2020 USD ($) | Sep. 22, 2021 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |
Trade receivables, credit period |  | 30 days |  |
Maturities period |  | 24 months |  |
Unrealized gain (loss) on held-to-maturity securities | $ 100 | $ 100 | $ 900 |
Number of operating segments | Segment |  | 1 |  |
Number of sales representatives | Sales | 300 | 300 |  |
Cash expenditures | $ 13,809 | $ 13,809 |  |
Restructuring and transformation initiative expense | $ 14,115 | $ 14,115 |  |
Change in accounting principle, accounting standards update, adopted [true false] | true | true |  |
Change in accounting principle, accounting standards update, adoption date | Jan. 01, 2021 | Jan. 01, 2021 |  |
Change in accounting principle, accounting standards update, immaterial effect [true false] | true | true |  |
Accounting Standards Update [Extensible List] |  | us-gaap:AccountingStandardsUpdate201912Member |  |
One-time Termination Benefits | Go-to-Market Strategy |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Cash expenditures |  |  |  | $ 14,100
Short Term Investments |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Maturities period |  | 12 months |  |
Long Term Investments |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Maturities period |  | 12 months |  |
Money Market Instruments |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Maturities period |  | 90 days |  |
Gross Product Sales | Customer Concentration Risk |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Number of customers | Customer | 3 | 3 |  |
Customer A | Gross Product Sales | Customer Concentration Risk |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 27.00% | 25.00% |
Customer A | Accounts Receivable | Customer Concentration Risk |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 34.00% | 37.00% |
Customer B | Gross Product Sales | Customer Concentration Risk |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 37.00% | 37.00% |
Customer B | Accounts Receivable | Customer Concentration Risk |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 37.00% | 32.00% |
Customer C | Gross Product Sales | Customer Concentration Risk |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 28.00% | 30.00% |
Customer C | Accounts Receivable | Customer Concentration Risk |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 21.00% | 25.00% |
Internal Revenue Service (IRS) |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Open tax year |  | 2018 |  |
Earliest Tax Year | New Jersey Department of Treasury |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Open tax year |  | 2012 |  |
Earliest Tax Year | New York State Department of Taxation and Finance |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Open tax year |  | 2017 |  |
Latest Tax Year | New Jersey Department of Treasury |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Open tax year |  | 2015 |  |
Latest Tax Year | New York State Department of Taxation and Finance |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Open tax year |  | 2018 |  |

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