RELATED PERSON TRANSACTIONS (Details) (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		3 Months Ended				6 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 Entities owned by the controlling shareholders Lease Services	Jun. 30, 2012 Entities owned by the controlling shareholders Lease Services	Jun. 30, 2013 Entities owned by the controlling shareholders Lease Services	Jun. 30, 2012 Entities owned by the controlling shareholders Lease Services	Dec. 01, 2012 Bay TV	Jun. 30, 2012 Bay TV LMA	Jun. 30, 2012 Bay TV LMA	Jun. 30, 2013 Cunningham	Mar. 31, 2013 Cunningham	Jun. 30, 2012 Cunningham	Jun. 30, 2013 Cunningham	Jun. 30, 2012 Cunningham	Dec. 31, 2012 Cunningham	Jul. 01, 2012 Cunningham	Jan. 01, 2010 Cunningham item	Nov. 05, 2009 Cunningham	Jun. 30, 2013 Cunningham LMA	Jun. 30, 2012 Cunningham LMA	Jun. 30, 2013 Cunningham LMA item	Jun. 30, 2012 Cunningham LMA	Dec. 31, 2012 Cunningham LMA	Oct. 01, 2012 Cunningham LMA	Jun. 30, 2013 Cunningham Minimum LMA	Jun. 30, 2013 Atlantic Automotive Corporation Office lease agreement item	Jun. 30, 2013 Atlantic Automotive Corporation Office lease agreement item	Jun. 30, 2012 Atlantic Automotive Corporation Office lease agreement	Jun. 30, 2013 Atlantic Automotive Corporation Advertising time	Jun. 30, 2012 Atlantic Automotive Corporation Advertising time	Jun. 30, 2013 Atlantic Automotive Corporation Vehicles and related vehicle services	Jun. 30, 2012 Atlantic Automotive Corporation Vehicles and related vehicle services	Jun. 30, 2013 Atlantic Automotive Corporation Vehicles and related vehicle services	Jun. 30, 2012 Atlantic Automotive Corporation Vehicles and related vehicle services	Jun. 30, 2013 Atlantic Automotive Corporation Maximum Advertising time	Jun. 30, 2012 Atlantic Automotive Corporation Maximum Advertising time	Jun. 30, 2013 Thomas & Libowitz Legal services	Jun. 30, 2012 Thomas & Libowitz Legal services	Jun. 30, 2013 Thomas & Libowitz Legal services	Jun. 30, 2012 Thomas & Libowitz Legal services	Jun. 30, 2013 David Smith Lease Services Real estate ventures in Baltimore, MD	Jun. 30, 2013 David Smith Lease Services Real estate ventures in Baltimore, MD Restaurant lease agreement item	Jun. 30, 2013 David Smith Lease Services Real estate ventures in Towson, MD Restaurant lease agreement item	Jun. 30, 2013 David Smith Maximum Lease Services Real estate ventures in Baltimore, MD	Jun. 30, 2012 David Smith Maximum Lease Services Real estate ventures in Baltimore, MD	Jun. 30, 2013 David Smith Maximum Lease Services Real estate ventures in Baltimore, MD	Jun. 30, 2012 David Smith Maximum Lease Services Real estate ventures in Baltimore, MD	Jun. 30, 2013 Controlling shareholders Charter Aircraft	Jun. 30, 2012 Controlling shareholders Charter Aircraft	Jun. 30, 2013 Controlling shareholders Charter Aircraft	Jun. 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					$ 1,400,000	$ 1,100,000	$ 2,500,000	$ 2,200,000		$ 400,000	$ 2,200,000										$ 2,600,000	$ 4,000,000	$ 4,500,000	$ 7,900,000									$ 400,000	$ 400,000	$ 800,000	$ 600,000			$ 500,000	$ 200,000	$ 1,000,000	$ 500,000
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 (as a percent)												4.40%			4.40%
Right to acquire capital stock or assets of individual subsidiaries (as a percent)												100.00%			100.00%
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																		1,200,000								2,750,000
Aggregate purchase price									40,000,000											78,500,000
Aircraft expense																																																		200,000	200,000	300,000	300,000
Amount of purchase price reduction from quarterly installments																	29,100,000
Annual increase in aggregate purchase price (as a percent)												6.00%			6.00%
Annual LMA fees required to be paid as a percentage of net broadcast revenue																											3.00%
Annual LMA fees required to be paid, amount																											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	314,154,000	251,074,000	596,772,000	473,448,000								26,500,000		24,800,000	51,200,000	48,100,000
Amount received																															100,000	100,000					100,000	100,000					100,000			100,000	100,000	100,000	100,000
Annual rent																												$ 200,000	$ 400,000	$ 0															$ 200,000
Number of restaurants owned by a related party																																												3	1
Number of real estate ventures																												1	1															1	1