Annual report pursuant to Section 13 and 15(d)

RELATED PARTY TRANSACTIONS (Details Textual)

v3.7.0.1
RELATED PARTY TRANSACTIONS (Details Textual) - USD ($)
 1 Months Ended 12 Months Ended
Oct. 12, 2016
Oct. 19, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Related Party Transaction [Line Items]          
Minimum Ownership Percentage Of Capital Stock     5.00%    
Related Party Ownership Percentage     10.00%    
Operating Leases, Rent Expense     $ 15,300,000 $ 14,800,000 $ 13,800,000
Related Party Annual Payments For Insurance Premiums     386,000 386,000 386,000
Net Assets     2,600,000 2,500,000 1,900,000
Business Combination, Consideration Transferred     10,120,000 17,271,000  
Cash Surrender Value of Life Insurance     1,000,000 600,000 200,000
Fm Translator Construction Permit Delmarva Educational Association Corporation Asset Purchase Agreement [Member]          
Related Party Transaction [Line Items]          
Business Combination, Consideration Transferred   $ 65,000      
Fm Translator Delmarva Educational Association Corporation Asset Purchase Agreement [Member]          
Related Party Transaction [Line Items]          
Business Combination, Consideration Transferred $ 65,000        
Trust [Member] | Chief Executive Officer [Member]          
Related Party Transaction [Line Items]          
Operating Leases, Rent Expense     185,000 180,000 175,000
Know the Truth [Member]          
Related Party Transaction [Line Items]          
Related Party Transaction, Other Revenues from Transactions with Related Party     400,000 400,000 500,000
Chairman And Chief Executive Officer [Member] | Land and Building [Member]          
Related Party Transaction [Line Items]          
Operating Leases, Rent Expense     1,500,000 1,300,000 1,300,000
Truth For Life [Member]          
Related Party Transaction [Line Items]          
Related Party Transaction, Other Revenues from Transactions with Related Party     2,200,000 2,200,000 2,200,000
Edward G. Atsinger III, Chief Executive Officer and Director [Member]          
Related Party Transaction [Line Items]          
Operating Leases, Rent Expense     301,000 $ 133,000 $ 274,000
The Truth Network [Member]          
Related Party Transaction [Line Items]          
Related Party Transaction, Amounts of Transaction     $ 11,000