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Construction Joint Ventures - Construction Joint Ventures, Partner Share (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Current assets	$ 466,022	$ 361,543
Current liabilities	(357,724)	(321,884)
Receivables from and equity in construction joint ventures	21,656	16,653
Joint Ventures | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Current assets	156,479	143,608
Current liabilities	(103,754)	(141,295)
Receivables from and equity in construction joint ventures	$ 21,656	$ 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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