Goodwill and Intangible Assets (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Changes in other amortizable intangible assets
Balance at the beginning of the period			$ 33,910
Additions			53,759
Amortization	(3,900)	(1,600)	(5,517)	(1,700)
Net balance at the end of the period	82,152		82,152
Future estimated amortization expense
Remainder of 2014	7,186		7,186
2015	13,522		13,522
2016	13,399		13,399
2017	13,227		13,227
2018	13,169		13,169
2019	8,432		8,432
2020 and thereafter	13,217		13,217
Total	82,152		82,152
Weighted Average [Member]
Changes in other amortizable intangible assets
Remaining amortization period			6 years 4 months 24 days
Affiliate Relationships [Member]
Changes in other amortizable intangible assets
Balance at the beginning of the period			33,910
Additions			46,014
Amortization			(4,711)
Net balance at the end of the period	75,213		75,213
Future estimated amortization expense
Total	75,213		75,213
Affiliate Relationships [Member] | Maximum [Member]
Changes in other amortizable intangible assets
Amortization period			8 years
Affiliate Relationships [Member] | Minimum [Member]
Changes in other amortizable intangible assets
Amortization period			5 years
Advertiser Relationships [Member]
Changes in other amortizable intangible assets
Additions			3,310
Amortization			(166)
Net balance at the end of the period	3,144		3,144
Future estimated amortization expense
Total	3,144		3,144
Noncompete Agreements [Member]
Changes in other amortizable intangible assets
Additions			3,294
Amortization			(137)
Net balance at the end of the period	3,157		3,157
Amortization period			6 years
Future estimated amortization expense
Total	3,157		3,157
Other Intangible Assets [Member]
Changes in other amortizable intangible assets
Additions			1,141
Amortization			(503)
Net balance at the end of the period	638		638
Future estimated amortization expense
Total	$ 638		$ 638
Other Intangible Assets [Member] | Maximum [Member]
Changes in other amortizable intangible assets
Amortization period			1 year