Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 29,587	$ 78,857	$ 2,414
Other comprehensive income, net of tax
Net unrealized gain (loss) on cash flow hedges, net of tax	(184)	275	(108)
Less: reclassification for net gains included in interest expense, net of tax	0	3,042	2,131
Net change	(184)	3,317	2,023
Foreign currency translation adjustments, net	277	830	(347)
Other comprehensive income, net of tax	93	4,147	1,676
Comprehensive income, net of tax	29,680	83,004	4,090
Non-controlling interests in comprehensive income, net of tax	14,012	4,445	7,682
Comprehensive income attributable to Granite Construction Incorporated, net of tax	$ 43,692	$ 87,449	$ 11,772