CONDENSED CONSOLIDATING FINANCIAL STATEMENTS: (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME
Net revenue	$ 253,554	$ 188,860	$ 477,390	$ 371,469
Program and production	63,350	42,917	123,553	85,262
Selling, general and administrative	49,747	37,265	95,243	76,491
Depreciation, amortization and other operating expenses	68,465	50,442	126,680	100,004
Total operating expenses	181,562	130,624	345,476	261,757
Operating income	71,992	58,236	131,914	109,712
Interest expense	(29,320)	(24,934)	(56,707)	(54,101)
Other income (expense)	5,863	(2,167)	7,275	(992)
Total other expense	(23,457)	(27,101)	(49,432)	(55,093)
Income tax benefit (provision)	(18,336)	(12,576)	(23,142)	(20,826)
Loss from discontinued operations	(67)	(82)	(134)	(189)
NET INCOME	30,132	18,477	59,206	33,604
Net Loss attributable to non controlling interest	(72)	102	213	254
NET INCOME ATTRIBUTABLE TO SINCLAIR BROADCAST GROUP	30,060	18,579	59,419	33,858
Comprehensive Income	30,217	18,517	59,395	33,685
Sinclair Broadcast Group, Inc.
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME
Selling, general and administrative	518	571	1,371	1,325
Depreciation, amortization and other operating expenses	383	403	766	808
Total operating expenses	901	974	2,137	2,133
Operating income	(901)	(974)	(2,137)	(2,133)
Equity in earnings of consolidated subsidiaries	30,365	21,048	60,556	38,450
Interest expense	(318)	(621)	(658)	(2,579)
Other income (expense)	723	(2,456)	1,323	(2,356)
Total other expense	30,770	17,971	61,221	33,515
Income tax benefit (provision)	191	1,582	335	2,476
NET INCOME	30,060	18,579	59,419	33,858
NET INCOME ATTRIBUTABLE TO SINCLAIR BROADCAST GROUP	30,060	18,579	59,419	33,858
Comprehensive Income	30,217	18,517	59,395	33,685
Sinclair Television Group, Inc.
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME
Program and production	5	320	13	627
Selling, general and administrative	11,932	6,156	25,563	13,784
Depreciation, amortization and other operating expenses	313	148	664	283
Total operating expenses	12,250	6,624	26,240	14,694
Operating income	(12,250)	(6,624)	(26,240)	(14,694)
Equity in earnings of consolidated subsidiaries	54,217	31,775	106,078	67,098
Interest expense	(26,953)	(22,032)	(51,717)	(47,521)
Other income (expense)	293	5,327	10	10,762
Total other expense	27,557	15,070	54,371	30,339
Income tax benefit (provision)	10,417	10,508	18,542	18,753
Loss from discontinued operations	(67)	(82)	(134)	(189)
NET INCOME	25,657	18,872	46,539	34,209
NET INCOME ATTRIBUTABLE TO SINCLAIR BROADCAST GROUP	25,657	18,872	46,539	34,209
Comprehensive Income	25,743	18,912	46,728	34,290
Guarantor Subsidiaries and KDSM, LLC
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME
Net revenue	241,723	178,148	451,931	351,607
Program and production	65,661	44,631	127,552	88,615
Selling, general and administrative	36,507	29,783	66,425	59,894
Depreciation, amortization and other operating expenses	55,290	39,509	98,398	78,977
Total operating expenses	157,458	113,923	292,375	227,486
Operating income	84,265	64,225	159,556	124,121
Interest expense	(1,185)	(1,257)	(2,404)	(2,489)
Other income (expense)	22	(5,222)	45	(9,862)
Total other expense	(1,163)	(6,479)	(2,359)	(12,351)
Income tax benefit (provision)	(27,808)	(25,082)	(49,055)	(42,821)
NET INCOME	55,294	32,664	108,142	68,949
NET INCOME ATTRIBUTABLE TO SINCLAIR BROADCAST GROUP	55,294	32,664	108,142	68,949
Comprehensive Income	55,294	32,664	108,142	68,949
Non-Guarantor Subsidiaries
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME
Net revenue	14,141	12,979	29,815	24,375
Program and production	83	77	159	171
Selling, general and administrative	896	851	2,091	1,680
Depreciation, amortization and other operating expenses	12,617	10,520	27,128	20,212
Total operating expenses	13,596	11,448	29,378	22,063
Operating income	545	1,531	437	2,312
Interest expense	(6,055)	(6,152)	(12,299)	(11,697)
Gain on sales of securities				391
Other income (expense)	4,953	287	6,154	681
Total other expense	(1,102)	(5,865)	(6,145)	(10,625)
Income tax benefit (provision)	(1,136)	416	7,036	766
NET INCOME	(1,693)	(3,918)	1,328	(7,547)
Net Loss attributable to non controlling interest	(72)	102	213	254
NET INCOME ATTRIBUTABLE TO SINCLAIR BROADCAST GROUP	(1,765)	(3,816)	1,541	(7,293)
Comprehensive Income	(1,765)	(3,816)	1,541	(7,293)
Non-Guarantor Subsidiaries | Revisions
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME
Depreciation, amortization and other operating expenses		200		300
Net Loss attributable to non controlling interest		100		300
Eliminations
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME
Net revenue	(2,310)	(2,267)	(4,356)	(4,513)
Program and production	(2,399)	(2,111)	(4,171)	(4,151)
Selling, general and administrative	(106)	(96)	(207)	(192)
Depreciation, amortization and other operating expenses	(138)	(138)	(276)	(276)
Total operating expenses	(2,643)	(2,345)	(4,654)	(4,619)
Operating income	333	78	298	106
Equity in earnings of consolidated subsidiaries	(84,582)	(52,823)	(166,634)	(105,548)
Interest expense	5,191	5,128	10,371	10,185
Gain on sales of securities				(391)
Other income (expense)	(128)	(103)	(257)	(217)
Total other expense	(79,519)	(47,798)	(156,520)	(95,971)
NET INCOME	(79,186)	(47,720)	(156,222)	(95,865)
NET INCOME ATTRIBUTABLE TO SINCLAIR BROADCAST GROUP	(79,186)	(47,720)	(156,222)	(95,865)
Comprehensive Income	$ (79,272)	$ (47,760)	$ (156,411)	$ (95,946)