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Construction Joint Ventures - SEMA Financials (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Operating income	$ 37,043	$ 49,475	$ 43,989	$ 29,363	$ 20,058	$ 32,010	$ 32,514	$ 22,429	$ 20,181	$ 27,887	$ 32,534	$ 12,013	$ 159,870	$ 107,011	$ 92,615
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													$ 49,757	55,373
Operating income													3,519	5,598
Net income													$ 3,554	$ 5,605

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