RELATED PERSON TRANSACTIONS (Details) (USD $)	3 Months Ended				1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014	Mar. 31, 2013	Jul. 31, 2014	Sep. 30, 2014	Nov. 05, 2009	Aug. 01, 2014	Dec. 31, 2012
Related person transactions
Total revenues	$ 504,775,000	$ 412,648,000
Entities owned by the controlling shareholders | Leased assets or facilities
Related person transactions
Amount paid	1,400,000	1,500,000
Cunningham
Related person transactions
Right to acquire capital stock (as a percent)						100.00%
Price of assets sold							78,500,000
Price for which nonvoting stock was purchased			2,000,000	1,700,000
Annual increase in aggregate purchase price (as a percent)	6.00%
Remaining purchase price	53,600,000
Total revenues	21,700,000	27,200,000
Cunningham | LMA
Related person transactions
Right to acquire capital stock (as a percent)	100.00%
Amount paid	2,300,000	3,300,000			4,700,000
Price of assets sold								14,000,000
Number of stations to which programming, sales and managerial services were provided by the entity	6
Number of additional renewal terms	3
Agreement renewal period	5 years
Operating costs reimbursement (as a percent)	100.00%
Cunningham | Minimum | LMA
Related person transactions
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
Cunningham | Maximum
Related person transactions
Amount of purchase price reduction from quarterly installments									29,100,000
Cunningham license related assets
Related person transactions
Agreement renewal period	8 years
Amount of guarantee on the bank debt	3,000,000
Total revenues	1,700,000	1,500,000
Amount received	1,300,000	800,000
Atlantic Automotive | Leased assets or facilities
Related person transactions
Annual rent	100,000	300,000
Number of real estate ventures	1
Atlantic Automotive | Vehicles and related vehicle services
Related person transactions
Amount paid	0	0
Atlantic Automotive | Maximum | Advertising time
Related person transactions
Amount received	400,000	100,000
President and Chief Executive Officer | Leased assets or facilities | Real estate ventures in Baltimore, MD
Related person transactions
Number of restaurants owned by a related party	3
Number of real estate ventures	1
President and Chief Executive Officer | Leased assets or facilities | Real estate ventures in Towson, MD
Related person transactions
Annual rent	100,000	100,000
Number of restaurants owned by a related party	1
Number of real estate ventures	1
President and Chief Executive Officer | Maximum | Leased assets or facilities | Real estate ventures in Baltimore, MD
Related person transactions
Amount received	100,000	100,000
Controlling shareholders | Maximum | Charter Aircraft
Related person transactions
Aircraft expense	$ 300,000	$ 300,000