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Investments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule of Investments [Line Items]      
Gain on interest in investment $ 40,317 $ 0 $ 0
Mastery Logistics Systems, Inc.      
Schedule of Investments [Line Items]      
Initial value of ownership interest in investment $ 10,000    
Ownership interest in investment 9.80%    
Gain on interest in investment $ 28,200    
Fair value of investment 38,200 $ 5,000  
Investments in Autonomous Technology Companies      
Schedule of Investments [Line Items]      
Gain on interest in investment $ 12,100