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Investments - Narrative (Details)
$ / shares in Units, ¥ in Thousands
 2 Months Ended 3 Months Ended 12 Months Ended
May 13, 2020
USD ($)
Sep. 28, 2011
USD ($)
Sep. 28, 2011
CNY (¥)
Apr. 04, 2021
USD ($)
investment_round
shares
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
Nov. 09, 2022
$ / shares
Schedule of Equity Method Investments [Line Items]                  
Allowance for credit losses related to held-to-maturity securities         $ 0   $ 0    
Class of warrant or right, exercise price of warrants or rights (in dollars per share) | $ / shares                 $ 0.01
Impairment on equity method investments         0   0    
Dividends from equity investments         $ 0 $ 0      
LanzaJet                  
Schedule of Equity Method Investments [Line Items]                  
Contribution of intellectual property $ 15,000,000                
Ownership percentage 37.50%     23.00% 22.89%        
Revenue         $ 580,000 553,000      
Deferred revenue         $ 4,704,000   5,375,000    
Profit amortization period         15 years        
Number of rounds of investments | investment_round       2          
Class of warrant or right, exercise price of warrants or rights (in dollars per share) | $ / shares                 $ 0.01
Gain from equity method investment         $ 77,000        
Ownership if diluted (in percent)         22.38%        
Contingent right to receive additional interest (in shares) | shares       45,000,000          
Equity method investments cost       $ 0          
Carrying value less than proportionate share of book value         $ 3,400,000   $ 3,400,000    
LanzaJet | Intra-entity                  
Schedule of Equity Method Investments [Line Items]                  
Revenue         $ 92,000 $ 118,000      
SGLT                  
Schedule of Equity Method Investments [Line Items]                  
Ownership percentage   30.00% 30.00%         9.31%  
SGLT | Intellectual Property                  
Schedule of Equity Method Investments [Line Items]                  
Contribution of intellectual property   $ 4,000,000 ¥ 25,800