CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
REVENUE	$ 1,048,987	$ 776,300
COST OF OPERATIONS	(933,736)	(800,469)
GROSS PROFIT (LOSS)	115,251	(24,169)
General and administrative expenses	(66,445)	(57,776)
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS	48,806	(81,945)
Other income, net	5,311	6,417
Interest expense	(19,307)	(21,513)
INCOME (LOSS) BEFORE INCOME TAXES	34,810	(97,041)
Income tax (expense) benefit	(7,308)	48,112
NET INCOME (LOSS)	27,502	(48,929)
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	11,742	267
NET INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ 15,760	$ (49,196)
BASIC EARNINGS (LOSS) PER COMMON SHARE (in dollars per share)	$ 0.30	$ (0.95)
DILUTED EARNINGS (LOSS) PER COMMON SHARE (in dollars per share)	$ 0.30	$ (0.95)
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING:
BASIC (in shares)	52,092	51,551
DILUTED (in shares)	52,515	51,551