Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net (loss) income	$ (56,702)	$ 11,536	$ 42,457
Other comprehensive (loss) income, net of tax:
Net unrealized (loss) gain on derivatives	(2,963)	(451)	191
Less: reclassification for net (gains) losses included in interest expense	(323)	(214)	159
Net change	(3,286)	(665)	350
Foreign currency translation adjustments, net	1,390	(718)	655
Other comprehensive (loss) income	(1,896)	(1,383)	1,005
Comprehensive (loss) income	(58,598)	10,153	43,462
Non-controlling interests in comprehensive (loss) income	(3,489)	(10,954)	(8,341)
Comprehensive (loss) income attributable to Granite Construction Incorporated	$ (62,087)	$ (801)	$ 35,121