Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Tax Contingency [Line Items]
Income tax expense	$ 66,428		$ 11,314	$ 288,936	$ 32,923
U.S federal statutory rate, percent	35.00%			35.00%	35.00%
Benefit from a change in state tax rates	$ 4,000			$ 4,000
Benefit related to certain income tax matters	9,000		$ 4,000	10,000	$ 4,000
Write-off of unrealized deferred tax asset				5,000
Newsday LLC
Income Tax Contingency [Line Items]
Adjustment to uncertain tax position				102,000
Adjustment to deferred taxes	$ (3,000)	$ 91,000		$ 88,000