Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015	Jun. 30, 2016	Dec. 31, 2015
Reclassified amortization of deferred debt issuance costs	$ 300	$ 600
Current deferred tax assets			$ 19,098	$ 26,306
Current deferred tax liabilities			31,100
Long-Term Debt, Less Current Maturities [Member] | Reclassification [Member]
Unamortized debt issuance costs				5,800
Tutor Perini Corporation [Member]
Current deferred tax assets			$ 8,898	$ 2,255