Construction Joint Ventures - Schedule of Unconsolidated Construction Joint Ventures Revenue and Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Cost of revenue	$ 3,112,739	$ 2,931,762	$ 3,139,220
Increase to net income	29,587	78,857	2,414
Equity in net loss from unconsolidated construction joint ventures	18,617	19,676	$ 765
Collaborative Arrangement, Revenue Not from Contract with Customer, Statement of Income or Comprehensive Income [Extensible Enumeration]			Total revenue
Collaborative Arrangement
Schedule of Equity Method Investments [Line Items]
Revenue	24,508	120,157	$ 294,064
Cost of revenue	44,089	139,538	295,045
Granite’s interest in gross profit (loss)	(19,581)	(19,381)	(981)
Equity in net loss from unconsolidated construction joint ventures	(18,617)	(19,676)	(768)
Collaborative Arrangement | Corporate Joint Venture
Schedule of Equity Method Investments [Line Items]
Revenue	66,738	330,835	820,586
Cost of revenue	95,448	378,237	835,899
Increase to net income	(24,843)	(47,904)	(15,533)
Collaborative Arrangement | Co-venturer | Other Partners Interest in Partnerships
Schedule of Equity Method Investments [Line Items]
Revenue	42,230	210,678	526,522
Cost of revenue	51,359	238,699	540,854
Increase to net income	$ (6,226)	$ (28,228)	$ (14,765)