Revenue Recognition - Schedule of Revenue by Market Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Contract revenues	$ 3,008,542	$ 2,498,289	$ 2,247,392
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	$ 1,745,792	$ 1,301,587	$ 1,154,378
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	$ 1,083,415	$ 806,367	$ 745,599
T&D | Transmission | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	36.00%	32.30%	33.20%
T&D | Distribution
Disaggregation of Revenue [Line Items]
Contract revenues	$ 662,377	$ 495,220	$ 408,779
T&D | Distribution | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	22.00%	19.80%	18.20%
C&I
Disaggregation of Revenue [Line Items]
Contract revenues	$ 1,262,750	$ 1,196,702	$ 1,093,014
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	$ 1,262,750	$ 1,196,702	$ 1,093,014
C&I | Electrical construction | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Concentration risk	42.00%	47.90%	48.60%