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 (loss)	15,529	13,802
ASSETS
Total Assets	1,442,060		1,460,195
Radio Broadcasting [Member]
Net Revenue:
NET REVENUE	49,858	52,655
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)	31,621	35,216
Depreciation and Amortization:
Depreciation and amortization	1,542	1,605
Impairment of Long-Lived Assets
Asset Impairment Charges	1,370	0
Operating income (loss):
Operating income (loss)	15,325	15,834
ASSETS
Total Assets	788,156		801,340
Reach Media [Member]
Net Revenue:
NET REVENUE	9,541	13,553
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)	10,347	14,363
Depreciation and Amortization:
Depreciation and amortization	288	301
Impairment of Long-Lived Assets
Asset Impairment Charges	0	0
Operating income (loss):
Operating income (loss)	(1,094)	(1,111)
ASSETS
Total Assets	33,302		29,492
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 (loss)	(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 (loss)	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 (loss)	(6,084)	(5,598)
ASSETS
Total Assets	$ 65,148		$ 61,943