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Related Party Transactions (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2024 USD ($) shares | Sep. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Sep. 30, 2018 convertible_note | Sep. 30, 2024 USD ($) shares | Sep. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) shares | Jun. 30, 2023 USD ($) | May 08, 2023 USD ($) | Apr. 06, 2022 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Deposits paid for joint venture investment |  |  |  |  | $ 0 | $ 2,900 |  |  |  |  |
Deposits refunded from joint venture investment |  |  |  |  | $ 0 | 6,900 |  |  |  |  |
Common stock, shares outstanding (in shares) | shares | 20,021,105 |  |  |  | 20,021,105 |  |  | 19,965,482 |  |  |
Number of exercised convertible notes | convertible_note |  |  |  | 2 |  |  |  |  |  |  |
Lollicup Franchising, LLC | Bio Earth Technology |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage by parent |  |  |  |  |  |  |  |  |  |  | 49.00%
Bio Earth Technology |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Deposits paid for joint venture investment |  |  | $ 2,900 |  |  |  | $ 5,876 |  |  |  |
Deposits refunded from joint venture investment |  |  | $ 900 |  |  |  | $ 1,876 |  |  |  |
Bio Earth Technology | Lollicup Franchising, LLC |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Committed capital to joint venture |  |  |  |  |  |  |  |  |  |  | $ 6,500
Keary Global |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interest in joint ventures |  |  |  |  |  |  |  |  | $ 6,100 | $ 6,100 |
Noncontrolling interest in joint ventures, gross |  |  |  |  |  |  |  |  |  | $ 6,000 |
Keary Global | Affiliated Entity |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding (in shares) | shares | 250,004 |  |  |  | 250,004 |  |  |  |  |  |
Keary Global | Bio Earth Technology |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage by parent |  |  |  |  |  |  |  |  |  | 5.00% |
Keary Global and Keary International |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Purchases from related party | $ 7,473 | $ 7,371 |  |  | $ 30,920 | $ 32,384 |  |  |  |  |
Keary Global and Keary International | Affiliated Entity |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accounts payable | $ 3,963 |  |  |  | $ 3,963 |  |  | $ 5,306 |  |  |

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