Commitments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Unrecorded Unconditional Purchase Obligation [Line Items]
Increase (decrease) in contractual obligations not reflected in the balance sheet	$ 158,952
Contractual Obligation	488,191	329,239
Program Rights [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Unrecorded Unconditional Purchase Obligation	59,193
Transmission Obligations [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Unrecorded Unconditional Purchase Obligation	$ 75,532