CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
NET LOSS	$ (48,929)	$ (18,813)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Defined benefit pension plan adjustments	301	458
Foreign currency translation adjustments	250	257
Unrealized gain (loss) in fair value of investments	1,329	(4,204)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	1,880	(3,489)
COMPREHENSIVE LOSS	(47,049)	(22,302)
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	420	2,442
COMPREHENSIVE LOSS ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ (47,469)	$ (24,744)