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Investments in and Advances to Affiliates (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Investments in and Advances to Affiliates [Line Items]          
Investments $ 20,386 $ 17,354 $ 13,902 $ 14,286  
Total investments $ 20,386 17,354      
CSI Compressco          
Investments in and Advances to Affiliates [Line Items]          
Ownership percentage 3.70%        
Total investments $ 12,204 8,538      
CarbonFree          
Investments in and Advances to Affiliates [Line Items]          
Investments         $ 5,000
Ownership percentage 1.00%        
Total investments $ 6,888 6,850      
Deferred conversion period 2 years        
Standard Lithium          
Investments in and Advances to Affiliates [Line Items]          
Total investments $ 944 1,616      
Other Investments          
Investments in and Advances to Affiliates [Line Items]          
Investments 350        
Total investments $ 350 $ 350