CONDENSED CONSOLIDATING FINANCIAL STATEMENTS: (Details 2) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Sinclair Broadcast Group, Inc.	Jun. 30, 2012 Sinclair Broadcast Group, Inc.	Jun. 30, 2013 Sinclair Broadcast Group, Inc.	Jun. 30, 2012 Sinclair Broadcast Group, Inc.	Jun. 30, 2013 Sinclair Television Group, Inc.	Jun. 30, 2012 Sinclair Television Group, Inc.	Jun. 30, 2013 Sinclair Television Group, Inc.	Jun. 30, 2012 Sinclair Television Group, Inc.	Jun. 30, 2013 Guarantor Subsidiaries and KDSM, LLC	Jun. 30, 2012 Guarantor Subsidiaries and KDSM, LLC	Jun. 30, 2013 Guarantor Subsidiaries and KDSM, LLC	Jun. 30, 2012 Guarantor Subsidiaries and KDSM, LLC	Jun. 30, 2013 Non-Guarantor Subsidiaries	Jun. 30, 2012 Non-Guarantor Subsidiaries	Jun. 30, 2013 Non-Guarantor Subsidiaries	Jun. 30, 2012 Non-Guarantor Subsidiaries	Mar. 31, 2012 Non-Guarantor Subsidiaries Revisions	Jun. 30, 2012 Non-Guarantor Subsidiaries Revisions	Jun. 30, 2013 Eliminations	Jun. 30, 2012 Eliminations	Jun. 30, 2013 Eliminations	Jun. 30, 2012 Eliminations
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME
Net revenue	$ 314,154,000	$ 251,074,000	$ 596,772,000	$ 473,448,000									$ 297,175,000	$ 239,243,000	$ 567,722,000	$ 447,989,000	$ 33,515,000	$ 14,141,000	$ 57,432,000	$ 29,815,000			$ (16,536,000)	$ (2,310,000)	$ (28,382,000)	$ (4,356,000)
Program and production	85,694,000	62,596,000	166,127,000	122,393,000					63,000	5,000	95,000	13,000	87,474,000	64,907,000	170,174,000	126,392,000	9,031,000	83,000	14,619,000	159,000			(10,874,000)	(2,399,000)	(18,761,000)	(4,171,000)
Selling, general and administrative	64,744,000	49,094,000	127,932,000	94,173,000	954,000	518,000	1,778,000	1,371,000	10,211,000	11,932,000	20,128,000	25,563,000	52,151,000	35,854,000	103,354,000	65,355,000	6,552,000	896,000	12,241,000	2,091,000			(5,124,000)	(106,000)	(9,569,000)	(207,000)
Depreciation, amortization and other operating expenses	79,436,000	67,495,000	154,777,000	125,099,000	348,000	383,000	690,000	766,000	630,000	313,000	929,000	664,000	56,004,000	54,320,000	118,107,000	96,817,000	16,566,000	12,617,000	31,547,000	27,128,000	200,000	0	5,888,000	(138,000)	3,504,000	(276,000)
Total operating expenses	229,874,000	179,185,000	448,836,000	341,665,000	1,302,000	901,000	2,468,000	2,137,000	10,904,000	12,250,000	21,152,000	26,240,000	195,629,000	155,081,000	391,635,000	288,564,000	32,149,000	13,596,000	58,407,000	29,378,000			(10,110,000)	(2,643,000)	(24,826,000)	(4,654,000)
Operating income	84,280,000	71,889,000	147,936,000	131,783,000	(1,302,000)	(901,000)	(2,468,000)	(2,137,000)	(10,904,000)	(12,250,000)	(21,152,000)	(26,240,000)	101,546,000	84,162,000	176,087,000	159,425,000	1,366,000	545,000	(975,000)	437,000			(6,426,000)	333,000	(3,556,000)	298,000
Equity in earnings of consolidated subsidiaries					18,227,000	30,365,000	36,076,000	60,556,000	62,525,000	54,217,000	109,242,000	106,078,000	(30,000)		(60,000)								(80,722,000)	(84,582,000)	(145,258,000)	(166,634,000)
Interest expense	(45,465,000)	(29,320,000)	(83,162,000)	(56,707,000)	(389,000)	(318,000)	(700,000)	(658,000)	(42,758,000)	(26,953,000)	(77,992,000)	(51,717,000)	(1,224,000)	(1,185,000)	(2,338,000)	(2,404,000)	(6,302,000)	(6,055,000)	(12,489,000)	(12,299,000)			5,208,000	5,191,000	10,357,000	10,371,000
Other income (expense)	(16,205,000)	5,863,000	(16,800,000)	7,275,000	1,077,000	723,000	2,033,000	1,323,000	(11,069,000)	293,000	(3,631,000)	10,000	(5,436,000)	22,000	(12,724,000)	45,000	5,163,000	4,953,000	3,906,000	6,154,000			(5,940,000)	(128,000)	(6,384,000)	(257,000)
Total other expense	(61,670,000)	(23,457,000)	(99,962,000)	(49,432,000)	18,915,000	30,770,000	37,409,000	61,221,000	8,698,000	27,557,000	27,619,000	54,371,000	(6,690,000)	(1,163,000)	(15,122,000)	(2,359,000)	(1,139,000)	(1,102,000)	(8,583,000)	(6,145,000)			(81,454,000)	(79,519,000)	(141,285,000)	(156,520,000)
Income tax (provision) benefit	(9,654,000)	(18,298,000)	(18,503,000)	(23,092,000)	213,000	191,000	(118,000)	335,000	22,992,000	10,417,000	30,978,000	18,542,000	(32,297,000)	(27,770,000)	(51,031,000)	(49,005,000)	(562,000)	(1,136,000)	1,668,000	7,036,000
Income from discontinued operations	5,103,000	(2,000)	5,458,000	(53,000)					5,013,000	(67,000)	4,955,000	(134,000)	90,000	65,000	503,000	81,000
NET INCOME	18,059,000	30,132,000	34,929,000	59,206,000	17,826,000	30,060,000	34,823,000	59,419,000	25,799,000	25,657,000	42,400,000	46,539,000	62,649,000	55,294,000	110,437,000	108,142,000	(335,000)	(1,693,000)	(7,890,000)	1,328,000			(87,880,000)	(79,186,000)	(144,841,000)	(156,222,000)
Net income attributable to the noncontrolling interests	(233,000)	(72,000)	(106,000)	213,000													(233,000)	(72,000)	(106,000)	213,000	300,000	0
NET INCOME ATTRIBUTABLE TO SINCLAIR BROADCAST GROUP	17,826,000	30,060,000	34,823,000	59,419,000	17,826,000	30,060,000	34,823,000	59,419,000	25,799,000	25,657,000	42,400,000	46,539,000	62,649,000	55,294,000	110,437,000	108,142,000	(568,000)	(1,765,000)	(7,996,000)	1,541,000			(87,880,000)	(79,186,000)	(144,841,000)	(156,222,000)
Comprehensive income (loss)	$ 18,020,000	$ 30,217,000	$ 34,851,000	$ 59,395,000	$ 18,020,000	$ 30,217,000	$ 34,851,000	$ 59,395,000	$ 25,759,000	$ 25,743,000	$ 42,322,000	$ 46,728,000	$ 62,649,000	$ 55,294,000	$ 110,437,000	$ 108,142,000	$ (568,000)	$ (1,765,000)	$ (7,996,000)	$ 1,541,000			$ (87,840,000)	$ (79,272,000)	$ (144,763,000)	$ (156,411,000)