Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands |
Jun. 30, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Accrued Expenses | ||
| Accrued property and equipment purchases | $ 30,474 | $ 3,992 |
| Accrued research and development costs | 14,707 | 2,420 |
| Accrued professional fees | 11,097 | 1,386 |
| Other accrued expenses | 8,190 | 2,827 |
| Total accrued expenses | $ 64,468 | $ 10,625 |
| X | ||||||||||
- Definition The amount accrued for property and equipment purchases, classified as current. No definition available.
|
| X | ||||||||||
- Definition The amount accrued for research and development costs, classified as current. No definition available.
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|