ACQUISITIONS AND DISPOSITIONS (Details Textual) - USD ($)			1 Months Ended				9 Months Ended
	Jun. 15, 2016	Nov. 12, 2015	Jul. 31, 2016	Jul. 25, 2016	Jun. 30, 2016	Apr. 17, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired, Total							$ 2,000,000	$ 0
Other Intangible Assets, Net							122,198,000		$ 141,433,000
Disposal Group, Including Discontinued Operation, Assets, Noncurrent							$ 2,300,000
Educational Media Foundation [Member]
Business Acquisition [Line Items]
Payments to Acquire Translator	$ 40,000				$ 40,000
Beasley Media Group, Inc. [Member]
Business Acquisition [Line Items]
Sale Of Translator Agreed Amount To Sell			$ 400,000	$ 400,000
TV One [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired, Total						$ 211,100,000
Noncontrolling Interest, Ownership Percentage by Parent						99.60%
Payments to Acquire Businesses, Gross						$ 221,700,000
Working Capital Adjustment						1,300,000
Long-term Debt, Gross						$ 11,900,000
Columbus Acquisition [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total		$ 957,000
Business Combination, Consideration Transferred		2,000,000
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Lease Liability		909,000
Business Combination Amount Assigned To Broadcasting Licenses		1,900,000
Other Intangible Assets, Net		$ 84,000