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Construction Joint Ventures - SEMA Financials (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Schedule of Equity Method Investments [Line Items]
Operating income	$ 60,263	$ 43,989	$ 92,890	$ 73,352
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	16,719	12,609	$ 25,263	20,462
Operating income	1,106	836	1,682	1,388
Net income	$ 1,433	$ 840	$ 2,153	$ 1,394

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