Inventory - Summary of Inventory (Details) - USD ($) $ in Thousands |
Sep. 30, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|---|
| Inventory [Line Items] | |||
| Total Raw Material | $ 42,948 | $ 21,894 | $ 18,967 |
| Work in process | 63,952 | 54,780 | 34,212 |
| Total inventories | 133,874 | 98,312 | 65,981 |
| Previously Reported [Member] | |||
| Inventory [Line Items] | |||
| Work in process | 54,781 | ||
| Cannabis Plants | |||
| Inventory [Line Items] | |||
| Total Raw Material | 19,419 | 10,661 | 10,835 |
| Harvested Cannabis and Packaging | |||
| Inventory [Line Items] | |||
| Total Raw Material | 23,529 | 11,233 | 8,132 |
| Unmedicated | |||
| Inventory [Line Items] | |||
| Finished Goods | 3,473 | 3,908 | 5,263 |
| Medicated | |||
| Inventory [Line Items] | |||
| Finished Goods | $ 23,501 | $ 17,730 | $ 7,538 |