Revenue Recognition - Schedule of Revenue by Market Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Contract revenues	$ 3,643,905	$ 3,008,542	$ 2,498,289
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	$ 2,089,196	$ 1,745,792	$ 1,301,587
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	$ 1,380,923	$ 1,083,415	$ 806,367
T&D | Transmission | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	37.90%	36.00%	32.30%
T&D | Distribution
Disaggregation of Revenue [Line Items]
Contract revenues	$ 708,273	$ 662,377	$ 495,220
T&D | Distribution | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	19.40%	22.00%	19.80%
C&I
Disaggregation of Revenue [Line Items]
Contract revenues	$ 1,554,709	$ 1,262,750	$ 1,196,702
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	$ 1,554,709	$ 1,262,750	$ 1,196,702
C&I | Electrical construction | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	42.70%	42.00%	47.90%