CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ (127,597)	$ (192,572)	$ 134,150
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Defined benefit pension plan adjustments	3,283	5,229	6,221
Foreign currency translation adjustments	835	(2,795)	(325)
Unrealized gain (loss) in fair value of investments	4,131	(8,108)	(2,650)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	8,249	(5,674)	3,246
COMPREHENSIVE INCOME (LOSS)	(119,348)	(198,246)	137,396
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	44,557	15,165	42,365
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ (163,905)	$ (213,411)	$ 95,031