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Construction Joint Ventures - Income Statement Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Sterling’s noncontrolling interest:
Revenues	$ 2,695	$ 750	$ 5,406	$ 1,141
Joint Ventures
Schedule of Equity Method Investments [Line Items]
Revenues	23,467	19,524	36,748	31,777
Income before tax	2,495	6,220	4,117	8,328
Sterling’s noncontrolling interest:
Revenues	11,372	7,883	17,785	12,783
Income before tax	$ 1,220	$ 2,558	$ 1,967	$ 3,418

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