Income Taxes - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Operating Loss Carryforwards [Line Items] | |||
| Income tax benefits - operating losses incurred | $ 0 | $ 0 | $ 0 |
| Federal operating loss carryforwards | 584,800 | ||
| State operating loss carryforwards | 583,600 | ||
| Federal operating loss carryforwards subject to expiration | 37,200 | ||
| Federal operating loss carryforwards subject to expiration indefinitely | 547,600 | ||
| Research and development tax credit carryforwards | 45,478 | 36,161 | |
| Increase in gross deferred tax assets, before valuation allowance | 46,400 | ||
| Uncertain tax positions | 0 | 0 | |
| Accrued interest or penalties | 0 | $ 0 | |
| Domestic Tax Authority | |||
| Operating Loss Carryforwards [Line Items] | |||
| Research and development tax credit carryforwards | 29,500 | ||
| State and Local Jurisdiction | |||
| Operating Loss Carryforwards [Line Items] | |||
| Research and development tax credit carryforwards | $ 19,900 | ||