Commitments, Contingencies, and Other - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions	1 Months Ended		12 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Commitments [Line Items]
Share repurchased and retired			$ 33,724,000
Finite-lived license agreements, gross			5,700,000	$ 8,500,000
Program rights obligations			16,000,000	14,000,000
Program rights obligations, noncurrent			3,200,000	5,900,000
Program rights obligations, not available for airing			92,800,000
Capital leases			14,000,000	14,000,000
Rent expense under operating leases			13,000,000	4,800,000	$ 1,900,000
Restricted cash received			(119,903,000)	119,903,000	$ 0
Payments to acquire additional interest in subsidiaries	$ 11,000,000
NCI, ownership percentage by parent	100.00%
Other Noncurrent Assets [Member]
Other Commitments [Line Items]
Finite-lived license agreements, gross			2,900,000	4,900,000
Other Assets [Member]
Other Commitments [Line Items]
Other assets held for sale			$ 8,300,000
Minimum [Member]
Other Commitments [Line Items]
Capital lease term (in years)			1 year
Operating leases term (in years)			1 year
Maximum [Member]
Other Commitments [Line Items]
Capital lease term (in years)			15 years
Operating leases term (in years)			15 years
WJAR-TV [Member]
Other Commitments [Line Items]
Restricted cash received				120,000,000
HYFN, Inc. [Member]
Other Commitments [Line Items]
NCI, ownership percentage by parent			50.10%
Common Stock [Member] | Voting Common Stock [Member]
Other Commitments [Line Items]
Share repurchases			2.1
Share repurchases, price per share (in dollars per share)			$ 16.18
Share repurchased and retired			$ 33,724,000
Digital Restructuring Plan [Member]
Other Commitments [Line Items]
Expected savings related to restructuring			6,500,000
Corporate Restructuring Plan 2014 [Member]
Other Commitments [Line Items]
Expected savings related to restructuring		$ 10,000,000
Employee Severance [Member] | Digital Restructuring Plan [Member]
Other Commitments [Line Items]
Severance costs			1,600,000
Payments for restructuring			245,000
Restructuring reserve, current			1,300,000
Employee Severance [Member] | Corporate Restructuring Plan 2014 [Member]
Other Commitments [Line Items]
Severance costs				4,800,000
Payments for restructuring				1,800,000
Restructuring reserve, current				3,000,000
HYFN, Inc. [Member]
Other Commitments [Line Items]
Redeemable NCI, fair value			0
Redeemable NCI, carrying amount			$ 0	$ 0