Program Rights (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Program Rights [Abstract]
Owned original program rights	$ 80,826
Owned original program rights expected to be amortized within three years	94.00%
Program rights expected to be paid within twelve months	48,294
Program rights write offs	$ 9,990	$ 18,332	$ 1,222