SEGMENT INFORMATION: (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012		Mar. 31, 2012	Dec. 31, 2011		Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Revenue:
NET REVENUE	$ 105,885	$ 109,894	$ 105,830	[1]	$ 102,964	$ 98,044	[2]	$ 104,352	$ 96,944	$ 64,899	$ 424,573	$ 364,239	$ 279,292
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)											314,030	279,213	210,658
Depreciation and Amortization:
Depreciation and amortization											38,715	37,069	17,385
Impairment of Long-Lived Assets:
Impairment of Long-Lived Assets											313	22,331	36,063
Operating income (loss):
Operating income (loss)	14,673	21,573	21,467	[1]	13,802	(8,842)	[2]	13,152	15,767	5,549	71,515	25,626	15,186
ASSETS
Total Assets	1,460,195					1,486,482					1,460,195	1,486,482
Radio Broadcasting [Member]
Net Revenue:
NET REVENUE											236,278	221,026	228,886
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)											138,530	138,451	135,468
Depreciation and Amortization:
Depreciation and amortization											6,371	6,705	7,080
Impairment of Long-Lived Assets:
Impairment of Long-Lived Assets											313	14,509	19,949
Operating income (loss):
Operating income (loss)											91,064	61,361	66,389
ASSETS
Total Assets	801,340					806,822					801,340	806,822
Reach Media [Member]
Net Revenue:
NET REVENUE											42,280	48,382	41,773
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)											43,726	41,426	34,817
Depreciation and Amortization:
Depreciation and amortization											1,177	3,952	4,249
Impairment of Long-Lived Assets:
Impairment of Long-Lived Assets												7,822	16,114
Operating income (loss):
Operating income (loss)											(2,623)	(4,818)	(13,407)
ASSETS
Total Assets	31,003					33,737					31,003	33,737
Internet [Member]
Net Revenue:
NET REVENUE											19,852	17,529	16,027
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)											21,179	20,062	22,737
Depreciation and Amortization:
Depreciation and amortization											3,210	3,694	4,942
Impairment of Long-Lived Assets:
Impairment of Long-Lived Assets												0	0
Operating income (loss):
Operating income (loss)											(4,537)	(6,227)	(11,652)
ASSETS
Total Assets	32,076					33,265					32,076	33,265
Cable Televsion [Member]
Net Revenue:
NET REVENUE											131,178	86,024	0
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)											91,361	61,369	0
Depreciation and Amortization:
Depreciation and amortization											26,864	21,790	0
Impairment of Long-Lived Assets:
Impairment of Long-Lived Assets												0	0
Operating income (loss):
Operating income (loss)											12,953	2,865	0
ASSETS
Total Assets	535,344					561,325					535,344	561,325
Corporate/Elemenation/Other [Member]
Net Revenue:
NET REVENUE											(5,015)	(8,722)	(7,394)
Operating Expenses (including stock-based compensation):
Operating Expenses (including stock-based compensation)											19,234	17,905	17,636
Depreciation and Amortization:
Depreciation and amortization											1,093	928	1,114
Impairment of Long-Lived Assets:
Impairment of Long-Lived Assets												0	0
Operating income (loss):
Operating income (loss)											(25,342)	(27,555)	(26,144)
ASSETS
Total Assets	$ 60,432					$ 51,333					$ 60,432	$ 51,333

[1] The net income from continuing operations for the quarter ended June 30, 2012 includes $313,000 of pre-tax impairment charges.

[2] The net loss from continuing operations for the quarter ended December 31, 2011 includes approximately $22.3 million of pre-tax impairment charges.