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Acquisition - Summary of identifiable intangible assets (Details) - Powerline Plus Companies
$ in Thousands
Jan. 04, 2022
USD ($)
Finite And Indefinite-Lived Intangible Assets Acquired As Part Of Business Combination [Line Items]  
Total amortizable intangible assets $ 44,275
Intangible asset amortization period 14 years 10 months 24 days
Total intangible assets $ 50,246
Customer relationships  
Finite And Indefinite-Lived Intangible Assets Acquired As Part Of Business Combination [Line Items]  
Total amortizable intangible assets $ 39,757
Intangible asset amortization period 15 years
Backlog  
Finite And Indefinite-Lived Intangible Assets Acquired As Part Of Business Combination [Line Items]  
Total amortizable intangible assets $ 4,007
Intangible asset amortization period 1 year
Below market lease  
Finite And Indefinite-Lived Intangible Assets Acquired As Part Of Business Combination [Line Items]  
Total amortizable intangible assets $ 511
Intangible asset amortization period 5 years
Trade names  
Finite And Indefinite-Lived Intangible Assets Acquired As Part Of Business Combination [Line Items]  
Total intangible assets $ 5,971