CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 15,969	$ (16,764)	$ 43,471	$ (65,693)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Defined benefit pension plan adjustments	321	296	642	597
Foreign currency translation adjustments	(703)	528	(1,630)	778
Unrealized gain (loss) in fair value of investments	125	(592)	(111)	737
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(257)	232	(1,099)	2,112
COMPREHENSIVE INCOME (LOSS)	15,712	(16,532)	42,372	(63,581)
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	14,964	21,171	26,239	21,591
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ 748	$ (37,703)	$ 16,133	$ (85,172)