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Construction Joint Ventures - Construction Joint Ventures, Partner Share (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Current assets	$ 434,691	$ 361,543
Current liabilities	(351,760)	(321,884)
Sterling’s receivables from and equity in construction joint ventures	16,896	16,653
Joint Ventures | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Current assets	130,898	143,608
Current liabilities	(91,121)	(141,295)
Sterling’s receivables from and equity in construction joint ventures	$ 16,896	$ 16,653

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Amounts due from minority-owned entities in which the reporting entity shares joint control with another party or group, due within 1 year (or 1 business cycle). Also, includes the entity's equity in minority-owned joint ventures.

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