SEGMENT DATA (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
SEGMENT DATA
Intercompany loans	$ 172,300,000	$ 171,700,000	$ 172,300,000	$ 171,700,000
Intercompany interest expense	5,300,000	5,000,000	15,300,000	15,000,000
Segment data
Revenue	494,956,000	338,644,000	1,362,740,000	935,416,000
Depreciation of property and equipment	25,342,000	17,408,000	74,972,000	47,108,000
Amortization of definite-lived intangible assets and other assets	34,478,000	17,168,000	84,195,000	48,727,000
Amortization of program contract costs and net realizable value adjustments	28,622,000	19,229,000	76,137,000	56,746,000
General and administrative overhead expenses	16,991,000	16,109,000	50,229,000	38,806,000
Operating income (loss)	101,663,000	72,848,000	285,702,000	220,784,000
Interest expense	47,950,000	39,867,000	127,609,000	123,029,000
Income from equity and cost method investments	1,928,000	1,571,000	2,768,000	115,000
Assets	5,294,256,000	3,617,673,000	5,294,256,000	3,617,673,000	4,147,472,000
Operating segments | Broadcast
Segment data
Number of markets			76
Revenue	476,538,000	323,681,000	1,311,931,000	896,153,000
Depreciation of property and equipment	24,516,000	16,579,000	72,455,000	44,739,000
Amortization of definite-lived intangible assets and other assets	32,724,000	15,851,000	79,238,000	45,089,000
Amortization of program contract costs and net realizable value adjustments	28,622,000	19,229,000	76,137,000	56,746,000
General and administrative overhead expenses	13,180,000	14,633,000	40,578,000	34,991,000
Operating income (loss)	104,776,000	74,210,000	293,942,000	224,652,000
Assets	4,690,074,000		4,690,074,000
Operating segments | Other Operating Divisions
Segment data
Revenue	18,418,000	14,963,000	50,809,000	39,263,000
Depreciation of property and equipment	559,000	481,000	1,716,000	1,330,000
Amortization of definite-lived intangible assets and other assets	1,754,000	1,317,000	4,957,000	3,638,000
General and administrative overhead expenses	68,000	576,000	736,000	1,136,000
Operating income (loss)	897,000	(113,000)	1,476,000	(150,000)
Interest expense	1,036,000	846,000	2,986,000	2,385,000
Income from equity and cost method investments	1,928,000	1,571,000	2,768,000	115,000
Assets	335,909,000		335,909,000
Corporate
Segment data
Depreciation of property and equipment	267,000	348,000	801,000	1,039,000
General and administrative overhead expenses	3,743,000	900,000	8,915,000	2,679,000
Operating income (loss)	(4,010,000)	(1,249,000)	(9,716,000)	(3,718,000)
Interest expense	46,914,000	39,021,000	124,623,000	120,644,000
Assets	$ 268,273,000		$ 268,273,000