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Fair Value Measurements - Acquisitions (Details)
Sep. 12, 2022
USD ($)
$ / shares
shares
Sep. 09, 2022
USD ($)
shares
May 03, 2021
USD ($)
May 03, 2021
EUR (€)
Oct. 28, 2023
USD ($)
Oct. 28, 2023
EUR (€)
Apr. 30, 2023
USD ($)
Apr. 30, 2023
EUR (€)
Amprius Technologies, Inc.                
Fair Value Measurement                
Company Invested amount $ 5,000,000              
Amprius Technologies, Inc. | Equity securities                
Fair Value Measurement                
Number of shares purchased | shares 500,000              
Amprius Technologies, Inc. | Redeemable warrant                
Fair Value Measurement                
Number of warrants acquired | shares 500,000              
Exercise Price of warrants | $ / shares $ 12.50              
Redemption price | $ / shares $ 20.00              
Amprius Technologies, Inc. | Redeemable warrant | Measurement Input, Exercise Price                
Fair Value Measurement                
Investment in warrants 11.50              
Amprius Technologies, Inc. | Redeemable warrant | Measurement Input, Redemption Price                
Fair Value Measurement                
Investment in warrants 18.00              
Nauticus Robotics, Inc. | Equity securities                
Fair Value Measurement                
Company Invested amount   $ 100,000            
Number of shares purchased | shares   10,000            
Telerob                
Fair Value Measurement                
Period to obtain target     36 months 36 months        
Amount of earnout amount not achieved     $ 2,116,000   $ 2,116,000 € 2,000,000    
Amount of second year earnout amount achieved             $ 2,116,000 € 2,000,000
Telerob | Maximum                
Fair Value Measurement                
Additional cash consideration     $ 6,339,000 € 6,000,000