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Construction Joint Ventures - Income Statement Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Sterling’s noncontrolling interest:
Revenues	$ 2,711	$ 391
Joint Ventures
Schedule of Equity Method Investments [Line Items]
Revenues	13,281	12,253
Income before tax	1,622	2,108
Sterling’s noncontrolling interest:
Revenues	6,413	4,900
Income before tax	$ 747	$ 860

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