The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Goodwill and Intangible Assets (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Changes in other amortizable intangible assets
Balance at the beginning of the period	$ 33,910us-gaap_FiniteLivedIntangibleAssetsNet
Additions	53,758
Amortization	(12,743)us-gaap_AmortizationOfIntangibleAssets	(5,000)us-gaap_AmortizationOfIntangibleAssets	(200)us-gaap_AmortizationOfIntangibleAssets
Net balance at the end of the period	74,925us-gaap_FiniteLivedIntangibleAssetsNet	33,910us-gaap_FiniteLivedIntangibleAssetsNet
Future estimated amortization expense
2015	13,482
2016	13,399
2017	13,227
2018	13,169
2019	8,432
2020 and thereafter	13,216
Total	74,925us-gaap_FiniteLivedIntangibleAssetsNet	33,910us-gaap_FiniteLivedIntangibleAssetsNet
Weighted Average
Changes in other amortizable intangible assets
Remaining amortization period	6 years
Affiliate Relationships
Changes in other amortizable intangible assets
Balance at the beginning of the period	33,910	978
Additions	46,014	37,900
Amortization	(10,860)	(4,968)
Net balance at the end of the period	69,064	33,910
Future estimated amortization expense
Total	69,064	33,910
Advertiser Relationships
Changes in other amortizable intangible assets
Additions	3,310
Amortization	(414)
Net balance at the end of the period	2,896
Future estimated amortization expense
Total	2,896
Noncompete Agreements
Changes in other amortizable intangible assets
Additions	3,294
Amortization	(412)
Net balance at the end of the period	2,882
Future estimated amortization expense
Total	2,882
Other intangibles
Changes in other amortizable intangible assets
Additions	1,140
Amortization	(1,057)
Net balance at the end of the period	83
Future estimated amortization expense
Total	$ 83