RELATED PERSON TRANSACTIONS (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended			12 Months Ended				3 Months Ended			9 Months Ended					3 Months Ended		9 Months Ended								3 Months Ended	9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Entities owned by the controlling shareholders Leased assets or facilities	Sep. 30, 2012 Entities owned by the controlling shareholders Leased assets or facilities	Sep. 30, 2013 Entities owned by the controlling shareholders Leased assets or facilities	Sep. 30, 2012 Entities owned by the controlling shareholders Leased assets or facilities	Dec. 01, 2012 Bay TV	Dec. 31, 2012 Bay TV LMA	Dec. 31, 2011 Bay TV LMA	Dec. 31, 2010 Bay TV LMA	Dec. 31, 2010 Bay TV Leased assets or facilities	Sep. 30, 2013 Cunningham	Mar. 31, 2013 Cunningham	Sep. 30, 2012 Cunningham	Sep. 30, 2013 Cunningham	Sep. 30, 2012 Cunningham	Oct. 02, 2013 Cunningham	Jul. 31, 2013 Cunningham	Nov. 05, 2009 Cunningham	Sep. 30, 2013 Cunningham LMA	Sep. 30, 2012 Cunningham LMA	Sep. 30, 2013 Cunningham LMA item	Sep. 30, 2012 Cunningham LMA	Dec. 31, 2012 Cunningham LMA	Oct. 01, 2012 Cunningham LMA	Jul. 02, 2012 Cunningham LMA	Jan. 02, 2010 Cunningham LMA item	Sep. 30, 2013 Cunningham Minimum LMA	Dec. 31, 2012 Cunningham Maximum	Sep. 30, 2013 Atlantic Automotive Corporation Leased assets or facilities item	Sep. 30, 2013 Atlantic Automotive Corporation Leased assets or facilities item	Sep. 30, 2012 Atlantic Automotive Corporation Leased assets or facilities	Sep. 30, 2013 Atlantic Automotive Corporation Advertising time	Sep. 30, 2012 Atlantic Automotive Corporation Advertising time	Sep. 30, 2013 Atlantic Automotive Corporation Vehicles and related vehicle services	Sep. 30, 2012 Atlantic Automotive Corporation Vehicles and related vehicle services	Sep. 30, 2013 Atlantic Automotive Corporation Vehicles and related vehicle services	Sep. 30, 2012 Atlantic Automotive Corporation Vehicles and related vehicle services	Sep. 30, 2013 Atlantic Automotive Corporation Maximum Advertising time	Sep. 30, 2012 Atlantic Automotive Corporation Maximum Advertising time	Sep. 30, 2013 Thomas & Libowitz Legal services	Sep. 30, 2012 Thomas & Libowitz Legal services	Sep. 30, 2013 Thomas & Libowitz Legal services	Sep. 30, 2012 Thomas & Libowitz Legal services	Jun. 30, 2013 David Smith Leased assets or facilities Real estate ventures in Baltimore, MD item	Jun. 30, 2013 David Smith Leased assets or facilities Real estate ventures in Towson, MD item	Sep. 30, 2013 David Smith Maximum Leased assets or facilities Real estate ventures in Baltimore, MD	Sep. 30, 2012 David Smith Maximum Leased assets or facilities Real estate ventures in Baltimore, MD	Sep. 30, 2013 David Smith Maximum Leased assets or facilities Real estate ventures in Baltimore, MD	Sep. 30, 2012 David Smith Maximum Leased assets or facilities Real estate ventures in Baltimore, MD	Sep. 30, 2013 David Smith Maximum Leased assets or facilities Real estate ventures in Towson, MD	Sep. 30, 2013 David Smith Maximum Leased assets or facilities Real estate ventures in Towson, MD	Sep. 30, 2013 Controlling shareholders Charter Aircraft	Sep. 30, 2012 Controlling shareholders Charter Aircraft	Sep. 30, 2013 Controlling shareholders Charter Aircraft	Sep. 30, 2012 Controlling shareholders Charter Aircraft
Related person transactions
Right to acquire voting and nonvoting stock (as a percent)														100.00%			100.00%
Amount paid					$ 1,300,000	$ 1,200,000	$ 3,800,000	$ 3,400,000		$ 2,900,000	$ 2,200,000	$ 1,700,000										$ 2,300,000	$ 4,000,000	$ 6,800,000	$ 11,900,000												$ 200,000	$ 500,000	$ 1,100,000	$ 1,100,000			$ 300,000	$ 300,000	$ 1,300,000	$ 700,000
Price for which nonvoting stock was purchased															1,700,000
Percentage of the total capital stock held in the related party, none of which have voting rights														4.40%			4.40%
Right to acquire capital stock or assets of individual subsidiaries (as a percent)														100.00%			100.00%
Amount to purchase license assets of KDBC-TV El Paso, Texas																				21,000,000
Number of additional renewal terms																								3
Agreement renewal period																								5 years
Amount obligated to be paid																													29,100,000
Number of quarterly installments																													10
Amount of quarterly installments																													2,750,000
One quarterly installment amount																													1,600,000
Additional payments																											2,750,000	1,200,000
Aggregate purchase price									40,000,000										21,000,000		78,500,000
Aircraft expense																																																							300,000	200,000	600,000	500,000
Amount of purchase price reduction from quarterly installments																															29,100,000
Annual increase in aggregate purchase price (as a percent)														6.00%			6.00%
Percentage of net broadcast revenue used to determine annual LMA fees required to be paid																														3.00%
Amount used to determine annual LMA fees required to be paid																														5,000,000
Remaining purchase price														57,100,000			57,100,000
Operating costs reimbursement (as a percent)														100.00%			100.00%
Monthly payment required to be paid																										50,000
Total revenues	338,644,000	258,714,000	935,416,000	732,162,000										24,500,000		25,500,000	75,700,000	73,500,000
Amount received													500,000																						100,000	100,000					100,000	100,000							100,000	100,000	200,000	100,000	100,000	100,000
Annual rent																																$ 300,000	$ 700,000	$ 0
Number of restaurants owned by a related party																																															3	1
Number of real estate ventures																																1	1														1	1