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Revenue Recognition - Schedule of Revenue by Market Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Contract revenues	$ 3,362,290	$ 3,643,905	$ 3,008,542
Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	100.00%	100.00%	100.00%
T&D
Disaggregation of Revenue [Line Items]
Contract revenues	$ 1,880,501	$ 2,089,196	$ 1,745,792
T&D | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	100.00%	100.00%	100.00%
T&D | Transmission
Disaggregation of Revenue [Line Items]
Contract revenues	$ 1,139,848	$ 1,380,923	$ 1,083,415
T&D | Transmission | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	33.90%	37.90%	36.00%
T&D | Distribution
Disaggregation of Revenue [Line Items]
Contract revenues	$ 740,653	$ 708,273	$ 662,377
T&D | Distribution | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	22.00%	19.40%	22.00%
C&I
Disaggregation of Revenue [Line Items]
Contract revenues	$ 1,481,789	$ 1,554,709	$ 1,262,750
C&I | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	100.00%	100.00%	100.00%
C&I | Electrical construction
Disaggregation of Revenue [Line Items]
Contract revenues	$ 1,481,789	$ 1,554,709	$ 1,262,750
C&I | Electrical construction | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	44.10%	42.70%	42.00%

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