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Revenue from Contracts with Customers - Schedule of Performance Obligation Satisfied in Previous Period (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
UNITED STATES
Performance Obligation Satisfied in Previous Period [Line Items]
Performance obligation satisfied in previous period	$ 44,214,000	$ 13,212,000	$ 14,574,000	$ 18,808,000
UNITED STATES | United States Electrical Construction And Facilities Services [Member]
Performance Obligation Satisfied in Previous Period [Line Items]
Performance obligation satisfied in previous period	21,049,000	7,540,000	2,512,000	9,457,000
UNITED STATES | United States Mechanical Construction And Facilities Services [Member]
Performance Obligation Satisfied in Previous Period [Line Items]
Performance obligation satisfied in previous period	$ 23,165,000	$ 5,672,000	12,062,000	$ 9,351,000
Minimum [Member]
Performance Obligation Satisfied in Previous Period [Line Items]
Performance obligation satisfied in previous period			$ 1,000,000

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- Definition

Performance Obligation Satisfied in Previous Period [Line Items]

+ References

No definition available.

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- Definition

Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-12A

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