CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
REVENUE	$ 776,300	$ 952,154
COST OF OPERATIONS	(800,469)	(901,809)
GROSS PROFIT (LOSS)	(24,169)	50,345
General and administrative expenses	(57,776)	(60,252)
LOSS FROM CONSTRUCTION OPERATIONS	(81,945)	(9,907)
Other income, net	6,417	3,697
Interest expense	(21,513)	(16,492)
LOSS BEFORE INCOME TAXES	(97,041)	(22,702)
Income tax benefit	48,112	3,889
NET LOSS	(48,929)	(18,813)
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	267	2,821
NET LOSS ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ (49,196)	$ (21,634)
BASIC LOSS PER COMMON SHARE (in dollars per share)	$ (0.95)	$ (0.42)
DILUTED LOSS PER COMMON SHARE (in dollars per share)	$ (0.95)	$ (0.42)
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING:
BASIC (in shares)	51,551	51,107
DILUTED (in shares)	51,551	51,107