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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 (€)
Jul. 29, 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     $ 2,206,000   € 2,000,000    
Amount of second year earnout amount achieved           $ 2,206,000 € 2,000,000
Telerob | Maximum              
Fair Value Measurement              
Additional cash consideration     $ 6,609,000 € 6,000,000