Commitments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Unrecorded Unconditional Purchase Obligation [Line Items]
Increase (decrease) in contractual obligations not reflected in the balance sheet	$ 152,422
Contractual Obligation	481,661	329,239
Program Rights [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Unrecorded Unconditional Purchase Obligation	110,615
Transmission Obligations [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Unrecorded Unconditional Purchase Obligation	$ 64,957