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Related Party Transactions and Balances - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Mar. 08, 2019
Altria Pinnacle LLC. | Purchase of Machinery and Equipment | Altria Group, Inc. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Purchases |  | $ 1,258 |  |
Altria Pinnacle LLC. | Consulting Services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Consulting fees | $ 1,199 | 3,479 |  |
Altria Pinnacle LLC. | Consulting Services | Altria Pinnacle LLC. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Consulting fees | $ 1,199 | $ 3,479 | $ 0 |
Cronos Group, Inc. | Altria Group, Inc. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Ownership interest |  |  |  | 45.00%

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