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Related Party Transactions - Other Purchases and Sales (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Applied Cryo Technologies      
Related Party Transaction [Line Items]      
Payment for equipment repairs and services   $ 400,000  
Affiliated Entity      
Related Party Transaction [Line Items]      
Purchases from related parties $ 45,000 43,000  
Due to related parties $ 42,000   $ 19,000
Affiliated Entity | Chart E&C      
Related Party Transaction [Line Items]      
Common stock, ownership percentage 8.10%    
Affiliated Entity | Applied Cryo Technologies      
Related Party Transaction [Line Items]      
Due from related parties     2,000
Due to related parties $ 4,000   100,000
Equity method investment, ownership percentage 51.00%    
Affiliated Entity | TMG      
Related Party Transaction [Line Items]      
Due from related parties $ 0   0
Due to related parties $ 700,000   $ 900,000
Equity method investment, ownership percentage 25.00%    
Purchase of supplies and services $ 48,000 500,000  
Related party sales $ 0 $ 0