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Acquisition - Summary of identifiable intangible assets (Details) - Powerline Plus Companies - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2022
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]    
Total amortizable intangible assets $ 44,275  
Intangible asset amortization period 14 years 10 months 24 days 15 years
Total intangible assets $ 50,246  
Customer relationships    
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]    
Total amortizable intangible assets $ 39,757  
Intangible asset amortization period 15 years  
Backlog    
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]    
Total amortizable intangible assets $ 4,007  
Intangible asset amortization period 1 year  
Below market lease    
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]    
Total amortizable intangible assets $ 511  
Intangible asset amortization period 5 years  
Trade names    
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]    
Total intangible assets $ 5,971