CONTENT ASSETS: (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Content Assets [Member] Maximum [Member]	Dec. 31, 2012 Content Assets [Member] Minimum [Member]
Content assets	$ 144,723	$ 97,856
Less: Accumulated amortization	(78,019)	(31,539)
Content assets, net	$ 66,704	$ 66,317
Finite-Lived Intangible Assets, Remaining Amortization Period			9 years	1 year