CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ (24,070)	$ 26,241	$ (104,903)	$ 92,957
OTHER COMPREHENSIVE LOSS, NET OF TAX:
Defined benefit pension plan adjustments	458	492	1,373	1,475
Foreign currency translation adjustments	(2,527)	(1,125)	(3,660)	(353)
Unrealized loss in fair value of investments	(2,510)	(448)	(8,772)	(1,412)
TOTAL OTHER COMPREHENSIVE LOSS, NET OF TAX	(4,579)	(1,081)	(11,059)	(290)
COMPREHENSIVE INCOME (LOSS)	(28,649)	25,160	(115,962)	92,667
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	6,860	10,400	9,512	30,493
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ (35,509)	$ 14,760	$ (125,474)	$ 62,174