Accrued Liabilities (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Payables and Accruals [Abstract]
Employee compensation	$ 42,041,000	$ 34,513,000
Participations and residuals	45,685,000	46,201,000
Deferred rent	6,015,000	6,063,000
Other accrued liabilities	34,147,000	37,109,000
Total accrued liabilities	127,888,000	123,886,000
Accrued participation and residual costs estimated to pay over the next 12 months	$ 23,600,000