Leases - Narrative (Details) $ in Thousands |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
|
Jul. 31, 2019
USD ($)
ft²
|
Dec. 31, 2021
USD ($)
|
Dec. 31, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
|
| Operating Leased Assets [Line Items] | ||||
| Lessee-paid construction costs | $ 2,867 | $ 2,730 | $ 2,209 | |
| Operating lease, weighted average discount rate, percent | 8.90% | 8.90% | ||
| Letter of credit | ||||
| Operating Leased Assets [Line Items] | ||||
| Long-term restricted cash | $ 1,400 | $ 1,400 | ||
| 65 Grove Street, Watertown,MA | ||||
| Operating Leased Assets [Line Items] | ||||
| Area of additional office space leased | ft² | 25,078 | |||
| Lessee-paid construction costs | $ 800 | |||
| Term of contract | 8 years | |||
| Moscow Russia Lease | ||||
| Operating Leased Assets [Line Items] | ||||
| Lessee-paid construction costs | $ 2,900 | $ 2,700 | $ 2,100 | |