Investments Marketable Equity Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Aug. 04, 2014
Schedule of Equity Method Investments [Line Items]
Marketable equity securities	$ 7,095	$ 3,516
tronc
Schedule of Equity Method Investments [Line Items]
tronc common stock retained, shares			381,354
Ownership percentage in common stock			1.50%
Marketable equity securities	6,000	4,000
Investment in tronc, cost basis	0	$ 0
Gross unrealized holding gain	$ 6,000