Condensed Consolidated Statements Of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Statement of Cash Flows [Abstract]
Cash of discontinued operations	$ 0	$ 120,861	$ 79,020	$ 57,762