Condensed Consolidated Statement Of Shareholders' Equity - 9 months ended Sep. 30, 2018 - USD ($) $ in Thousands	Total	Regular Cash Dividend	[1]	Class A Common Stock	Class B Common Stock	Retained (Deficit) Earnings	Retained (Deficit) Earnings Regular Cash Dividend	Accumulated Other Comprehensive (Loss) Income	Additional Paid-In Capital	Additional Paid-In Capital Regular Cash Dividend	Treasury Stock	Non- controlling Interests
Beginning balance, Shares at Dec. 31, 2017				101,429,999	5,557
Beginning Balance at Dec. 31, 2017	$ 3,217,180			$ 101	$ 0	$ (114,240)		$ (48,061)	$ 4,011,530		$ (632,194)	$ 44
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	279,697
Net income (loss)	279,730					279,730
Net income (loss)	(33)											(33)
Other comprehensive income, net of taxes	10,950							10,950
Comprehensive income	290,647
Regular dividends declared to shareholders and warrant holders, $0.75 per share (1)		$ (65,776)					$ (66,695)			$ 919
Stock-based compensation	16,104								16,104
Net share settlements of stock-based awards, shares				315,450
Net share settlements of stock-based awards	(4,783)			$ 1					(4,784)
Contributions from noncontrolling interest, net	5,186											5,186
Ending balance, Shares at Sep. 30, 2018				101,745,449	5,557
Ending Balance at Sep. 30, 2018	$ 3,458,558			$ 102	$ 0	$ 98,795		$ (37,111)	$ 4,023,769		$ (632,194)	$ 5,197

[1] (1) Includes $0.9 million of granted dividend equivalent units.