CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
REVENUE	$ 3,880,227	$ 3,790,755	$ 4,641,830
COST OF OPERATIONS	(3,739,603)	(3,761,143)	(4,175,439)
GROSS PROFIT	140,624	29,612	466,391
General and administrative expenses	(255,221)	(234,376)	(239,587)
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS	(114,597)	(204,764)	226,804
Other income, net	17,200	6,732	2,004
Interest expense	(85,157)	(69,638)	(69,026)
INCOME (LOSS) BEFORE INCOME TAXES	(182,554)	(267,670)	159,782
Income tax (expense) benefit	54,957	75,098	(25,632)
NET INCOME (LOSS)	(127,597)	(192,572)	134,150
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	43,558	17,437	42,225
NET INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ (171,155)	$ (210,009)	$ 91,925
BASIC EARNINGS (LOSS) PER COMMON SHARE (in dollars per share)	$ (3.30)	$ (4.09)	$ 1.80
DILUTED EARNINGS (LOSS) PER COMMON SHARE (in dollars per share)	$ (3.30)	$ (4.09)	$ 1.79
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING:
BASIC (in shares)	51,845	51,324	51,017
DILUTED (in shares)	51,845	51,324	51,369