CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 134,150	$ 152,337	$ (360,225)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Defined benefit pension plan adjustments	6,221	(6,261)	844
Foreign currency translation adjustments	(325)	279	1,337
Unrealized gain (loss) in fair value of investments	(2,650)	1,571	1,561
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	3,246	(4,411)	3,742
COMPREHENSIVE INCOME (LOSS)	137,396	147,926	(356,483)
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	42,365	44,173	27,858
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ 95,031	$ 103,753	$ (384,341)