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Related Party Transactions - Other Purchases and Sales (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Applied Cryo Technologies          
Related Party Transaction [Line Items]          
Payment for equipment repairs and services       $ 500,000  
Affiliated Entity          
Related Party Transaction [Line Items]          
Purchases from related parties     $ 51,000 78,000  
Due to related parties $ 0   $ 0   $ 200,000
Affiliated Entity | Chart E&C          
Related Party Transaction [Line Items]          
Common stock, ownership percentage 8.10%   8.10%    
Affiliated Entity | Applied Cryo Technologies          
Related Party Transaction [Line Items]          
Equity method investment, ownership percentage 51.00%   51.00%    
Purchases from related parties   $ 100,000      
Related party sales       0  
Due from related parties         18,000
Due to related parties         23,000
Affiliated Entity | TMG          
Related Party Transaction [Line Items]          
Equity method investment, ownership percentage 25.00%   25.00%    
Purchases from related parties $ 100,000 200,000      
Related party sales 0 $ 0 $ 0 0  
Due from related parties 0   0   0
Due to related parties $ 400,000   400,000   $ 800,000
Purchase of supplies and services     $ 200,000 $ 700,000