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Commitments and contingencies (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2023 USD ($) | Dec. 31, 2024 USD ($) lawsuit shares | Dec. 31, 2023 USD ($) shares | Dec. 31, 2022 USD ($) | Jun. 05, 2023 shares | May 03, 2021 shares
Other Commitments [Line Items] |  |  |  |  |  |
Number of pending litigation claims | lawsuit |  | 1 |  |  |  |
Sales and excise tax payable | $ |  | $ 4,300 | $ 4,400 |  |  |
Common stock, shares issued (in shares) |  | 46,906,765 | 45,167,225 |  |  |
Common stock, shares outstanding (in shares) |  | 46,906,765 | 45,167,225 |  |  |
Gain on settlement of Global Cooling escrow | $ | $ 5,100 | $ 0 | $ 5,115 | $ 0 |  |
GCI Escrow |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |
Common stock, shares issued (in shares) |  |  |  |  |  | 6,646,870
GCI Escrow | Escrow Shares |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |
Shares deposited into escrow, percent |  |  |  |  |  | 9.00%
Shares deposited into escrow, holding term |  |  |  |  |  | 18 months
GCI Escrow | General Escrow Shares |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |
Shares deposited into escrow, percent |  |  |  |  |  | 5.00%
GCI Escrow | General Escrow Shares | Settled Litigation |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |
Shares deposited into escrow, percent |  |  |  |  | 65.00% |
Common stock, shares outstanding (in shares) |  |  |  |  | 216,024 |

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