CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
REVENUE	$ 3,790,755	$ 4,641,830	$ 5,318,763
COST OF OPERATIONS	(3,761,143)	(4,175,439)	(4,832,610)
GROSS PROFIT	29,612	466,391	486,153
General and administrative expenses	(234,376)	(239,587)	(223,809)
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS	(204,764)	226,804	262,344
Other income (expense)	6,732	2,004	(11,853)
Interest expense	(69,638)	(69,026)	(76,212)
INCOME (LOSS) BEFORE INCOME TAXES	(267,670)	159,782	174,279
Income tax (expense) benefit	75,098	(25,632)	(21,942)
NET INCOME (LOSS)	(192,572)	134,150	152,337
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	17,437	42,225	43,943
NET INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ (210,009)	$ 91,925	$ 108,394
BASIC EARNINGS (LOSS) PER COMMON SHARE (in dollars per share)	$ (4.09)	$ 1.80	$ 2.14
DILUTED EARNINGS (LOSS) PER COMMON SHARE (in dollars per share)	$ (4.09)	$ 1.79	$ 2.12
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING:
BASIC (in shares)	51,324	51,017	50,656
DILUTED (in shares)	51,324	51,369	51,077