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Organization and Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands, shares in Millions |  | 12 Months Ended |
--- | --- | --- | ---
May 02, 2017 shares | Dec. 31, 2019 USD ($) Site Customer shares | Dec. 31, 2018 USD ($) Customer | Dec. 31, 2017 USD ($) Customer | Jan. 01, 2019 USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Other-than-temporary Impairment |  | $ 0 | $ 0 |  |
Transfers between levels in the fair value hierarchy |  | 0 | 0 |  |
Depreciation |  | 7,452 | $ 4,024 | $ 2,400 |
Right-of-use (ROU) assets |  | 74,364 |  |  |
Operating lease liabilities |  | $ 95,038 |  |  |
ASU 2016-02 |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Right-of-use (ROU) assets |  |  |  |  | $ 50,000
Operating lease liabilities |  |  |  |  | 70,900
Derecognition of deferred rent for certain lease incentives received |  |  |  |  | 20,900
Recognition of Deferred Gain on Sale of Real Estate | ASU 2016-02 |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Deferred gain on sale of real estate as cumulative-effect adjustment to equity |  |  |  |  | $ 8,000
2.25% Convertible Senior Notes due 2024 |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Shares issued to settle notes at initial conversion rate | shares | 6.8 |  |  |  |
Performance-based RSUs |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Share equivalents excluded from computation of earnings per share | shares |  | 0.3 |  |  |
ESPP |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Purchase period |  | 6 months |  |  |
Customer Concentration Risk | Accounts Receivable |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of customers | Customer |  | 2 | 3 | 3 |
Customer Concentration Risk | Sales Revenue, Goods, Net |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of customers | Customer |  | 2 | 3 | 3 |
Percentage of product revenue |  | 86.00% | 93.00% | 93.00% |
Ingrezza |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of separate commercial production sites | Site |  | 2 |  |  |
Advertising costs |  | $ 40,600 | $ 20,500 | $ 10,100 |
Minimum |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Average estimated useful life of equipment |  | 3 years |  |  |
Requisite service period of award |  | 3 years |  |  |
Maximum |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Average estimated useful life of equipment |  | 7 years |  |  |
Requisite service period of award |  | 4 years |  |  |
In Process Research and Development |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Prior Period Reclassifications |  |  | $ 4,800 | $ 30,000 |

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