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Investments (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2022
Apr. 15, 2021
Mar. 31, 2021
Marketable Securities [Line Items]      
Investment in equity securities $ 4,300   $ 5,000
Number of shares held     353,604
Unrealized loss on investment $ (8,363)    
Tu Simple [Member]      
Marketable Securities [Line Items]      
Share Price   $ 40.00