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Business Combinations - Schedule of purchase price consideration (Details) - USD ($)
$ in Thousands
12 Months Ended
May 17, 2021
Dec. 31, 2022
Sep. 09, 2022
Dec. 31, 2021
Condensed Financial Statements, Captions [Line Items]        
Goodwill   $ 128,548 $ 158,636 $ 0
World Energy Efficiency Services, LLC        
Condensed Financial Statements, Captions [Line Items]        
Cash $ 8,000 8,500    
Working capital adjustments 496      
Fair value of 231,002 shares issued at closing 1,439      
Portion of deferred obligation to issue shares of common stock 1,526      
Total consideration 12,461      
Less the fair value of assets acquired less liabilities assumed (4,344)      
Goodwill 8,117 $ 8,117    
World Energy Efficiency Services, LLC | Earnout        
Condensed Financial Statements, Captions [Line Items]        
Fair value of the earnout $ 1,000