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CONSTRUCTION JOINT VENTURES - Schedule of Income Statement Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Corporate Joint Venture
Schedule of Equity Method Investments [Line Items]
Revenues	$ 15,258	$ 23,467	$ 34,884	$ 36,748
Income before tax	2,641	2,495	2,804	4,117
Joint Ventures
Sterling’s noncontrolling interest:
Revenues	6,104	11,372	13,954	17,785
Income before tax	$ 1,057	$ 1,220	$ 1,122	$ 1,967

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-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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