Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Federal	$ (101,530)	$ (11,950)	$ (14,611)
Current State and Local Tax Expense	(52,551)	(28,167)	(10,823)
Current Income Tax Expense	(154,081)	(40,117)	(25,434)
Deferred Federal Income Tax Expense	(55,857)	(128,436)	(70,662)
Deferred State and Local Income Tax Expense	4,168	(11,964)	(19,795)
Deferred Income Tax Expense (Benefit)	(51,689)	(140,400)	(90,457)
Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations, Extraordinary Items	$ (205,770)	$ (180,517)	$ (115,891)