Condensed Consolidated Statement Of Shareholders' Equity - 6 months ended Jun. 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)	225,621
Net income (loss)	225,631					225,631
Net income (loss)	(10)											(10)
Other comprehensive income, net of taxes	7,061							7,061
Comprehensive income	232,682
Regular dividends declared to shareholders and warrant holders, $0.50 per share (1)		$ (43,847)					$ (44,471)			$ 624
Stock-based compensation	10,511								10,511
Net share settlements of stock-based awards, shares				297,978
Net share settlements of stock-based awards	(5,142)			$ 1					(5,143)
Distributions to noncontrolling interest	(2)											(2)
Ending balance, Shares at Jun. 30, 2018				101,727,977.000	5,557
Ending Balance at Jun. 30, 2018	$ 3,411,382			$ 102	$ 0	$ 66,920		$ (41,000)	$ 4,017,522		$ (632,194)	$ 32

[1] (1) Includes $0.6 million of granted dividend equivalent units.