Programs and Program Licenses - Summary of Programs and Program Licenses (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Programs And Program Licenses [Abstract]
Cost of programs available for broadcast	$ 2,588,311	$ 2,253,574
Accumulated amortization	1,764,532	1,564,008
Total	823,779	689,566
Progress payments on programs not yet available for broadcast	288,119	257,092
Total programs and program licenses	$ 1,111,898	$ 946,658