SEGMENT INFORMATION: (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Net Revenue:
NET REVENUE	$ 99,112	$ 102,964
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)	72,673	79,477
Depreciation and Amortization:
Depreciation and amortization	9,540	9,685
Impairment of Long-Lived Assets
Asset Impairment Charges	1,370	0
Operating income (loss):
Operating income	15,529	13,802
ASSETS
Total Assets	1,442,060		1,460,195
Radio Broadcasting [Member]
Net Revenue:
NET REVENUE	49,858	49,179
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)	31,621	33,138
Depreciation and Amortization:
Depreciation and amortization	1,543	1,574
Impairment of Long-Lived Assets
Asset Impairment Charges	1,370	0
Operating income (loss):
Operating income	15,324	14,467
ASSETS
Total Assets	788,156		801,340
Reach Media [Member]
Net Revenue:
NET REVENUE	9,541	17,029
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)	10,347	16,856
Depreciation and Amortization:
Depreciation and amortization	287	332
Impairment of Long-Lived Assets
Asset Impairment Charges	0	0
Operating income (loss):
Operating income	(1,093)	(159)
ASSETS
Total Assets	35,356		31,003
Internet [Member]
Net Revenue:
NET REVENUE	5,052	5,785
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)	5,552	5,464
Depreciation and Amortization:
Depreciation and amortization	710	814
Impairment of Long-Lived Assets
Asset Impairment Charges	0	0
Operating income (loss):
Operating income	(1,210)	(493)
ASSETS
Total Assets	31,430		32,076
Cable Televsion [Member]
Net Revenue:
NET REVENUE	35,991	32,236
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)	20,766	20,318
Depreciation and Amortization:
Depreciation and amortization	6,633	6,748
Impairment of Long-Lived Assets
Asset Impairment Charges	0	0
Operating income (loss):
Operating income	8,592	5,170
ASSETS
Total Assets	524,024		535,344
Corporate/Elemenation/Other [Member]
Net Revenue:
NET REVENUE	(1,330)	(1,265)
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)	4,387	3,701
Depreciation and Amortization:
Depreciation and amortization	367	217
Impairment of Long-Lived Assets
Asset Impairment Charges	0	0
Operating income (loss):
Operating income	(6,084)	(5,183)
ASSETS
Total Assets	$ 63,094		$ 60,432