Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Goodwill [Line Items]
Goodwill	$ 143,224,000		$ 143,224,000		$ 143,224,000
Goodwill impairment	0	$ 0	0	$ 0
Amortization expense for finite-lived intangible assets	500,000	500,000	1,500,000	1,600,000
Impairments of finite-lived intangible assets	0	$ 0	0	$ 0
Electrical & Mechanical
Goodwill [Line Items]
Goodwill	115,900,000		115,900,000		115,900,000
Transmission & Distribution
Goodwill [Line Items]
Goodwill	$ 27,300,000		$ 27,300,000		$ 27,300,000