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Construction Joint Ventures - Income Statement Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Sterling’s noncontrolling interest:
Revenues	$ 4,072	$ 786	$ 9,478	$ 1,927
Joint Ventures
Schedule of Equity Method Investments [Line Items]
Revenues	23,137	17,296	59,885	49,073
Income before tax	2,303	7,876	6,420	16,204
Sterling’s noncontrolling interest:
Revenues	11,266	6,891	29,051	19,674
Income before tax	$ 1,146	$ 3,187	$ 3,113	$ 6,605

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