CONDENSED CONSOLIDATING FINANCIAL STATEMENTS: (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
CONDENSED CONSOLIDATING BALANCE SHEET
Consolidated total debt	$ 3,115,000,000
Cash	395,546,000	280,104,000	550,812,000	22,865,000
Accounts and other receivables	300,496,000	309,156,000
Other current assets	66,963,000	108,611,000
Total current assets	763,005,000	697,871,000
Property and equipment, net	636,112,000	596,071,000
Restricted cash - long term	12,430,000	11,747,000
Other long-term assets	225,951,000	232,917,000
Total other long-term assets	238,381,000	244,664,000
Goodwill and other intangible assets	2,544,464,000	2,608,866,000
Total assets	4,181,962,000	4,147,472,000	3,343,393,000
Accounts payable and accrued liabilities	197,363,000	196,174,000
Current portion of long-term debt	56,034,000	46,346,000
Current portion of affiliate long-term debt	2,569,000	2,367,000
Other current liabilities	80,718,000	98,494,000
Total current liabilities	336,684,000	343,381,000
Long-term debt	3,038,768,000	2,966,402,000
Affiliate long-term debt	17,606,000	18,925,000
Other liabilities	418,731,000	413,060,000
Total liabilities	3,811,789,000	3,741,768,000
Total Sinclair Broadcast Group shareholders' equity	362,778,000	396,370,000
Noncontrolling interests in consolidated subsidiaries	7,395,000	9,334,000
Total liabilities and equity	4,181,962,000	4,147,472,000
5.375% Senior Unsecured Notes, due 2021
CONDENSED CONSOLIDATING BALANCE SHEET
Interest rate (as a percent)	5.375%
6.125% Senior Unsecured Notes, due 2022
CONDENSED CONSOLIDATING BALANCE SHEET
Interest rate (as a percent)	6.125%
8.375% Senior Notes due 2018
CONDENSED CONSOLIDATING BALANCE SHEET
Interest rate (as a percent)	8.375%
6.375% Senior Notes, due 2021
CONDENSED CONSOLIDATING BALANCE SHEET
Interest rate (as a percent)	6.375%
Sinclair Broadcast Group, Inc.
CONDENSED CONSOLIDATING BALANCE SHEET
Amount of debt guaranteed by parent	2,958,600,000
Sinclair Television Group, Inc.
CONDENSED CONSOLIDATING BALANCE SHEET
Consolidated total debt	3,010,200,000
Reportable legal entities | Sinclair Broadcast Group, Inc.
CONDENSED CONSOLIDATING BALANCE SHEET
Accounts and other receivables	44,000	59,000
Other current assets		5,500,000
Total current assets	44,000	5,559,000
Property and equipment, net	4,483,000	5,017,000
Investment in consolidated subsidiaries	333,022,000	363,231,000
Other long-term assets	71,570,000	78,849,000
Total other long-term assets	404,592,000	442,080,000
Total assets	409,119,000	452,656,000
Accounts payable and accrued liabilities	445,000	234,000
Current portion of long-term debt	599,000	556,000
Current portion of affiliate long-term debt	1,377,000	1,294,000
Other current liabilities	565,000	3,529,000
Total current liabilities	2,986,000	5,613,000
Long-term debt	217,000	529,000
Affiliate long-term debt	4,256,000	4,972,000
Other liabilities	38,882,000	45,172,000
Total liabilities	46,341,000	56,286,000
Total Sinclair Broadcast Group shareholders' equity	362,778,000	396,370,000
Total liabilities and equity	409,119,000	452,656,000
Reportable legal entities | Sinclair Television Group, Inc.
CONDENSED CONSOLIDATING BALANCE SHEET
Cash	382,989,000	237,974,000	517,227,000	7,230,000
Accounts and other receivables	1,534,000	818,000
Other current assets	17,090,000	25,887,000
Total current assets	401,613,000	264,679,000
Property and equipment, net	14,160,000	13,561,000
Investment in consolidated subsidiaries	2,382,613,000	2,508,058,000
Restricted cash - long term	12,430,000	11,524,000
Other long-term assets	561,885,000	503,674,000
Total other long-term assets	2,956,928,000	3,023,256,000
Total assets	3,372,701,000	3,301,496,000
Accounts payable and accrued liabilities	50,829,000	51,781,000
Current portion of long-term debt	47,125,000	37,335,000
Total current liabilities	97,954,000	89,116,000
Long-term debt	2,858,754,000	2,793,334,000
Other liabilities	24,869,000	23,645,000
Total liabilities	2,981,577,000	2,906,095,000
Total Sinclair Broadcast Group shareholders' equity	391,124,000	395,401,000
Total liabilities and equity	3,372,701,000	3,301,496,000
Reportable legal entities | Guarantor Subsidiaries and KDSM, LLC
CONDENSED CONSOLIDATING BALANCE SHEET
Cash	488,000	28,594,000	6,390,000	199,000
Accounts and other receivables	271,765,000	281,822,000
Other current assets	71,307,000	67,279,000
Total current assets	343,560,000	377,695,000
Property and equipment, net	465,210,000	454,917,000
Investment in consolidated subsidiaries	4,179,000	4,179,000
Restricted cash - long term		223,000
Other long-term assets	54,034,000	62,435,000
Total other long-term assets	58,213,000	66,837,000
Goodwill and other intangible assets	2,439,387,000	2,486,794,000
Total assets	3,306,370,000	3,386,243,000
Accounts payable and accrued liabilities	128,759,000	126,245,000
Current portion of long-term debt	1,172,000	1,007,000
Current portion of affiliate long-term debt	1,192,000	1,073,000
Other current liabilities	74,725,000	87,612,000
Total current liabilities	205,848,000	215,937,000
Long-term debt	35,062,000	35,709,000
Affiliate long-term debt	13,352,000	13,984,000
Other liabilities	667,646,000	610,491,000
Total liabilities	921,908,000	876,121,000
Total Sinclair Broadcast Group shareholders' equity	2,384,462,000	2,510,122,000
Total liabilities and equity	306,370,000	3,386,243,000
Reportable legal entities | Non-Guarantor Subsidiaries
CONDENSED CONSOLIDATING BALANCE SHEET
Cash	12,069,000	13,536,000	27,195,000	15,436,000
Accounts and other receivables	29,479,000	27,479,000
Other current assets	15,267,000	16,391,000
Total current assets	56,815,000	57,406,000
Property and equipment, net	160,304,000	130,019,000
Other long-term assets	138,167,000	132,840,000
Total other long-term assets	138,167,000	132,840,000
Goodwill and other intangible assets	203,481,000	214,325,000
Total assets	558,767,000	534,590,000
Accounts payable and accrued liabilities	51,611,000	17,914,000
Current portion of long-term debt	7,138,000	7,448,000
Current portion of affiliate long-term debt	926,000	1,003,000
Other current liabilities	6,304,000	9,645,000
Total current liabilities	65,979,000	36,010,000
Long-term debt	144,735,000	136,830,000
Affiliate long-term debt	311,208,000	294,919,000
Other liabilities	150,315,000	145,828,000
Total liabilities	672,237,000	613,587,000
Total Sinclair Broadcast Group shareholders' equity	(120,865,000)	(88,331,000)
Noncontrolling interests in consolidated subsidiaries	7,395,000	9,334,000
Total liabilities and equity	558,767,000	534,590,000
Eliminations
CONDENSED CONSOLIDATING BALANCE SHEET
Accounts and other receivables	(2,326,000)	(1,022,000)
Other current assets	(36,701,000)	(6,446,000)
Total current assets	(39,027,000)	(7,468,000)
Property and equipment, net	(8,045,000)	(7,443,000)
Investment in consolidated subsidiaries	(2,719,814,000)	(2,875,468,000)
Other long-term assets	(599,705,000)	(544,881,000)
Total other long-term assets	(3,319,519,000)	(3,420,349,000)
Goodwill and other intangible assets	(98,404,000)	(92,253,000)
Total assets	(3,464,995,000)	(3,527,513,000)
Accounts payable and accrued liabilities	(34,281,000)
Current portion of affiliate long-term debt	(926,000)	(1,003,000)
Other current liabilities	(876,000)	(2,292,000)
Total current liabilities	(36,083,000)	(3,295,000)
Affiliate long-term debt	(311,210,000)	(294,950,000)
Other liabilities	(462,981,000)	(412,076,000)
Total liabilities	(810,274,000)	(710,321,000)
Total Sinclair Broadcast Group shareholders' equity	(2,654,721,000)	(2,817,192,000)
Total liabilities and equity	$ (3,464,995,000)	$ (3,527,513,000)