Redeemable Non-controlling Interests and Non-controlling Interest - Additional Information (Details)	Jan. 06, 2016	Dec. 31, 2015
Noncontrolling Interest [Line Items]
Voting interest held by the company (in hundredths)		80.00%
Travel Channel [Member]
Noncontrolling Interest [Line Items]
Ownership interest held by noncontrolling interest (in hundredths)		35.00%
Ownership interest (in hundredths)		65.00%
FNLA [Member]
Noncontrolling Interest [Line Items]
Ownership interest held by noncontrolling interest (in hundredths)		30.00%
Subsequent Event | Travel Channel [Member]
Noncontrolling Interest [Line Items]
Ownership interest (in hundredths)	100.00%