Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue
Total revenue	$ 672,275	$ 560,068
Cost of revenue
Total cost of revenue	617,990	527,709
Gross profit	54,285	32,359
Selling, general and administrative expenses	87,993	73,122
Other costs, net	11,010	4,523
Gain on sales of property and equipment, net	(1,418)	(2,037)
Operating loss	(43,300)	(43,249)
Other (income) expense
Interest income	(6,702)	(3,762)
Interest expense	8,083	2,891
Net income from affiliates	(3,970)	(5,187)
Other income, net	(1,743)	(1,950)
Total other income, net	(4,332)	(8,008)
Loss before income taxes	(38,968)	(35,241)
Benefit from income taxes	(9,526)	(9,469)
Net loss	(29,442)	(25,772)
Amount attributable to non-controlling interests	(1,541)	2,749
Net loss attributable to Granite Construction Incorporated	$ (30,983)	$ (23,023)
Net loss per share attributable to common shareholders
Basic (USD per share)	$ (0.70)	$ (0.53)
Diluted (USD per share)	$ (0.70)	$ (0.53)
Weighted average shares outstanding:
Basic (shares)	43,988	43,764
Diluted (shares)	43,988	43,764
Construction
Revenue
Total revenue	$ 595,213	$ 503,416
Cost of revenue
Total cost of revenue	538,385	466,711
Materials
Revenue
Total revenue	77,062	56,652
Cost of revenue
Total cost of revenue	$ 79,605	$ 60,998