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Investments in and Advances to Affiliates (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Investments in and Advances to Affiliates [Line Items]    
Total Investments $ 13,313 $ 11,233
CSI Compressco    
Investments in and Advances to Affiliates [Line Items]    
Total Investments 6,128 6,233
CarbonFree    
Investments in and Advances to Affiliates [Line Items]    
Total Investments 5,453 5,000
Standard Lithium    
Investments in and Advances to Affiliates [Line Items]    
Total Investments $ 1,732 $ 0