Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net income	$ 21,913	$ 59,097	$ (103,129)	$ 43,354
Other comprehensive income (loss), net of tax:
Net unrealized (loss) gain on derivatives	(720)	2,289	(3,496)	1,555
Less: reclassification for net gains included in interest expense	(46)	(1,719)	(336)	(157)
Net change	(766)	570	(3,832)	1,398
Foreign currency translation adjustments, net	932	249	1,299	(189)
Other comprehensive income (loss)	166	819	(2,533)	1,209
Comprehensive income (loss)	22,079	59,916	(105,662)	44,563
Non-controlling interests in comprehensive income (loss)	(1,425)	(3,425)	(8,793)	(7,490)
Comprehensive income (loss) attributable to Granite Construction Incorporated	$ 20,654	$ 56,491	$ (114,455)	$ 37,073