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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
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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 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 + Details
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