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Construction Joint Ventures - SEMA Financials (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Schedule of Equity Method Investments [Line Items]
Operating income	$ 32,627	$ 29,363
Net income	$ 19,649	17,672
RLW | Joint Ventures
Schedule of Equity Method Investments [Line Items]
Ownership percentage	51.00%
SEMA Construction Inc | Variable Interest Entity, Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Revenues	$ 8,544	7,853
Operating income	576	552
Net income	$ 720	$ 554

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