Cash, Cash Equivalents And Restricted Cash (Reconciliation Of Cash, Cash Equivalents And Restricted Cash) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Cash and cash equivalents	$ 101,482	$ 116,075
Restricted cash	5,095	3,788
Total cash, cash equivalents and restricted cash	106,577	119,863	$ 178,430	$ 197,648
Tutor Perini Corporation [Member]
Cash and cash equivalents	37,268	51,749
Joint Venture [Member]
Cash and cash equivalents	$ 64,214	$ 64,326