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Investments (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Apr. 15, 2021
Marketable Securities [Line Items]          
Investment in equity securities $ 2,600 $ 5,000 $ 2,600 $ 5,000  
Number of shares held   353,604   353,604  
Unrealized loss (gain) on equity investment $ 1,800 $ (20,200) $ 10,120 $ (20,191)  
Tu Simple [Member]          
Marketable Securities [Line Items]          
Share Price         $ 40.00