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Construction Joint Ventures - SEMA Financials (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Schedule of Equity Method Investments [Line Items] |  |  |  |
Operating income | $ 41,090 | $ 32,720 | $ 69,359 | $ 55,475
Net (loss) income | 25,961 | 20,056 | $ 45,213 | 30,611
RLW | Joint Ventures |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage |  |  | 51.00% |
SEMA Construction Inc | Joint Ventures | Variable Interest Entity, Primary Beneficiary |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Revenues | 12,609 | 9,325 | $ 20,462 | 17,566
Operating income | 836 | 613 | 1,388 | 3,140
Net (loss) income | $ 840 | $ 615 | $ 1,394 | $ 3,143

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