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Commitments and Contingencies - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Other Commitments [Line Items]      
Purchase orders outstanding $ 9,200,000    
Purchase orders outstanding, term 8 months    
Insurance expense $ 65,100,000 $ 56,400,000 $ 48,500,000
Performance Guarantee      
Other Commitments [Line Items]      
Bonds outstanding 1,390,000,000    
Estimated remaining costs for bonded projects 607,000,000    
Contingencies Excluding Wildfire and Health Insurance      
Other Commitments [Line Items]      
Insurance coverage deductible 1,000,000    
Wildfire      
Other Commitments [Line Items]      
Insurance coverage deductible 2,000,000    
Contingency Umbrella Exposure Limit      
Other Commitments [Line Items]      
Insurance coverage deductible 3,800,000    
Health Insurance      
Other Commitments [Line Items]      
Insurance coverage deductible $ 200,000