Fair Value Measures and Disclosures- Summary of Fair Value of Financial Liabilities (Details) - Significant Unobservable Inputs (Level 3) - USD ($)
$ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Estimate of Fair Value Measurement | Derivative Liabilities |
|
|
| Fair Value Liabilities Measured On Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value amount |
$ 202
|
|
| Convertible Debt | Baker Bros. Notes |
|
|
| Fair Value Liabilities Measured On Recurring and Nonrecurring Basis [Line Items] |
|
|
| Principal Amount |
27,323
|
$ 25,000
|
| Unamortized Issuance Costs |
0
|
0
|
| Accrued Interest |
698
|
1,656
|
| Convertible Debt | Baker Bros. Notes | Reported Value Measurement |
|
|
| Fair Value Liabilities Measured On Recurring and Nonrecurring Basis [Line Items] |
|
|
| Net Carrying Amount |
28,021
|
26,656
|
| Convertible Debt | Baker Bros. Notes | Estimate of Fair Value Measurement |
|
|
| Fair Value Liabilities Measured On Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value amount |
81,717
|
50,752
|
| Convertible Debt | Adjuvant Notes |
|
|
| Fair Value Liabilities Measured On Recurring and Nonrecurring Basis [Line Items] |
|
|
| Principal Amount |
25,000
|
25,000
|
| Unamortized Issuance Costs |
(146)
|
(185)
|
| Accrued Interest |
2,355
|
396
|
| Convertible Debt | Adjuvant Notes | Reported Value Measurement |
|
|
| Fair Value Liabilities Measured On Recurring and Nonrecurring Basis [Line Items] |
|
|
| Net Carrying Amount |
27,209
|
25,211
|
| Convertible Debt | Adjuvant Notes | Estimate of Fair Value Measurement |
|
|
| Fair Value Liabilities Measured On Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value amount |
$ 27,209
|
$ 25,211
|