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Related Party Transactions - Narrative (Details) | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Oct. 16, 2025 $ / shares shares | Aug. 19, 2025 $ / shares | Aug. 18, 2025 $ / shares | May 07, 2025 $ / shares | Mar. 31, 2025 USD ($) | Jun. 18, 2024 shares | Nov. 09, 2022 USD ($) $ / shares shares | Apr. 21, 2021 board_member | May 13, 2020 shares
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of board directors | board_member |  |  |  |  |  |  |  |  |  |  | 8 |
Notes receivable, commitment to purchase |  |  |  |  |  |  |  |  |  | $ 5,500,000 |  |
Sale of private placement warrants (in shares) | shares |  |  |  |  |  |  |  |  |  | 316,250 |  |
Class of warrant or right, exercise price of warrants or rights (usd per share) | $ / shares |  |  |  |  | $ 1,150,000 | $ 11.50 | $ 0.0000001 |  |  | $ 0.01 |  |
Accounts receivable, net |  | $ 117,000 | $ (557,000) |  |  |  |  |  |  |  |  |
Total revenues |  | 55,845,000 | 49,592,000 |  |  |  |  |  |  |  |  |
Senior Secured Notes Receivable |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Approval of note holders to amend agreement |  |  |  |  |  |  |  |  |  | 66.66% |  |
One Tranche Of Notes |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sale of private placement warrants (in shares) | shares |  |  |  |  |  |  |  |  |  | 575,000 |  |
Amount of notes purchased |  |  |  |  |  |  |  |  |  | $ 10,000,000 |  |
LanzaTech |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of board designees | board_member |  |  |  |  |  |  |  |  |  |  | 2 |
LanzaTech | Chief Executive Officer |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of board designees | board_member |  |  |  |  |  |  |  |  |  |  | 1 |
LanzaTech | Independent Director |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of board designees | board_member |  |  |  |  |  |  |  |  |  |  | 1 |
LanzaJet Freedom Pines Fuels LLC |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable, aggregate principal amount |  |  |  |  |  |  |  |  |  | 147,000,000 |  |
LanzaJet Freedom Pines Fuels LLC | Senior Secured Notes Receivable |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable, aggregate principal amount |  |  |  |  |  |  |  |  |  | $ 113,500,000 |  |
Line of credit facility, interest rate |  |  |  |  |  |  |  |  |  | 6.00% |  |
LanzaJet Freedom Pines Fuels LLC | Subordinated Secured Notes Receivable |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable, aggregate principal amount |  |  |  |  |  |  |  |  |  | $ 33,500,000 |  |
Line of credit facility, interest rate |  |  |  |  |  |  |  |  |  | 6.00% |  |
British Airways |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of board designees | board_member |  |  |  |  |  |  |  |  |  |  | 1 |
Suncor |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of board designees | board_member |  |  |  |  |  |  |  |  |  |  | 1 |
Mitsui |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of board designees | board_member |  |  |  |  |  |  |  |  |  |  | 1 |
Shell |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of board designees | board_member |  |  |  |  |  |  |  |  |  |  | 1 |
LanzaJet |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contingent right to receive additional interest (in shares) | shares |  |  |  |  |  |  |  |  | 15,000,000 |  |  | 45,000,000
Class of warrant or right, exercise price of warrants or rights (usd per share) | $ / shares |  |  |  | $ 0.01 |  |  |  |  |  |  |  |
Carrying value less than proportionate share of book value |  |  | 2,100,000 |  |  |  |  | $ 0 |  |  |  |
Investment Shares Tranche One | LanzaJet |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contingent right to receive additional interest (in shares) | shares |  |  |  | 15,000,000 |  |  |  |  |  |  |  |
Investment Shares Tranche Two | LanzaJet |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contingent right to receive additional interest (in shares) | shares |  |  |  | 15,000,000 |  |  |  |  |  |  |  |
Related Party Investment Agreement | Equity Method Investee |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cost incurred | $ 2,000,000 | 2,000,000 |  |  |  |  |  |  |  |  |  |
Deferred profit recognized |  | 231,000 | 231,000 |  |  |  |  |  |  |  |  |
Transactions with Equity Method Investees | Equity Method Investee |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, net |  | 0 |  |  |  |  |  |  |  |  |  |
Related Party Supply Agreement | Equity Method Investee |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cost incurred |  | 716,000 | 1,017,000 |  |  |  |  |  |  |  |  |
Total revenues |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |

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