Acquisition and Disposition (Details Textual) (USD $)	3 Months Ended	9 Months Ended					1 Months Ended	9 Months Ended	1 Months Ended		9 Months Ended			9 Months Ended		0 Months Ended			0 Months Ended		9 Months Ended						0 Months Ended	1 Months Ended	0 Months Ended					1 Months Ended		0 Months Ended	6 Months Ended	0 Months Ended					0 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 25, 2012	Dec. 31, 2011	May 13, 2011	Jul. 31, 2012 Townsquare Media, LLC [Member] Entity	Sep. 30, 2012 Townsquare Media, LLC [Member]	Feb. 18, 2011 Clear Channel Communications, Inc. [Member] Entity	Aug. 30, 2011 CMP Acquisition [Member]	Sep. 30, 2012 CMP Acquisition [Member]	Sep. 16, 2011 CMP Acquisition [Member]	Aug. 01, 2011 CMP Acquisition [Member]	Sep. 30, 2012 Citadel Acquisition [Member]	Sep. 16, 2011 Citadel Acquisition [Member]	Sep. 16, 2011 UBS [Member]	Aug. 01, 2011 Radio Holdings [Member] CMP Acquisition [Member]	Aug. 01, 2011 San Francisco Baseball Associates L.P. [Member] CMP Acquisition [Member]	Sep. 16, 2011 Warrants held for future issuance [Member] Citadel Acquisition [Member]	Sep. 16, 2011 Citadel Acquisition [Member]	Sep. 30, 2012 Citadel Acquisition [Member]	May 31, 2011 Citadel Acquisition [Member]	Sep. 16, 2011 Crestview [Member]	Sep. 30, 2012 Common Class A [Member]	Dec. 31, 2011 Common Class A [Member]	Sep. 16, 2011 Common Class A [Member] Citadel Acquisition [Member]	Sep. 16, 2011 Common Class A [Member] UBS [Member]	Aug. 30, 2011 Common Class A [Member] Blackstone [Member] CMP Acquisition [Member]	Sep. 16, 2011 Common Class A [Member] Citadel Acquisition [Member]	Sep. 30, 2012 Common Class B [Member]	Dec. 31, 2011 Common Class B [Member]	Aug. 01, 2011 Common Class B [Member] CMP Acquisition [Member]	Aug. 01, 2011 Common Class D [Member] CMP Acquisition [Member]	Aug. 30, 2011 Common Class D [Member] Bain Capital Partners, LLC [Member] CMP Acquisition [Member]	Aug. 30, 2011 Common Class D [Member] Thomas H. Lee Partners, L.P. [Member] CMP Acquisition [Member]	Sep. 16, 2011 Restricted Shares [Member] Citadel Acquisition [Member]	Jun. 30, 2012 Series A preferred stock [Member] Macquarie [Member]	Sep. 16, 2011 Warrants [Member] Citadel Acquisition [Member]	Sep. 16, 2011 Warrants [Member] Common Class A [Member]	Sep. 16, 2011 First Lien Term Loan [Member]	Sep. 16, 2011 First Lien Term Loan [Member] Citadel Acquisition [Member]	Sep. 30, 2012 Second Lien Term Loan [Member]	Sep. 16, 2011 Second Lien Term Loan [Member] Citadel Acquisition [Member]	Sep. 16, 2011 Revolving Credit Facility [Member]
Acquisition and Dispositions (Textual) [Abstract]
Disposal of stations							55		2
Number of Townsquare radio stations acquired							10
Additional cash received							$ 114,900,000																			$ 1,400,000,000
Number of acquisitions of stations in 2011									8
Fair value of assets acquired									17,400,000
Acquisition costs									300,000
Fair value allocated to goodwill	756,600,000	756,600,000							4,300,000		402,600,000
Gain on asset exchange	0	0	15,278,000
Gain on exchange of assets	63,200,000	63,200,000
Equity interest percentage													75.00%
Aggregate acquisition value	2,320,241,000	2,320,241,000																		2,300,000,000
Equity interest previously owned													25.00%
Stock issued to affiliates		22,700,000								9,900,000									2,400,000								4,700,000	3,300,000	23,600,000					3,300,000	3,300,000	900,000	125,000	47,600,000	51,800,000
Common stock, par value																								$ 0.01	$ 0.01					$ 0.01	$ 0.01	$ 0.01	$ 0.01
Warrants to purchase shares of common stock																	3,700,000						7,800,000
Shares issuable upon exercise of CMP warrants													8,300,000
Fair value of interest																		9,800,000
Gain on fair value measurement on the equity investment										11,600,000
Difference in Fair Value and Carrying Value										0
Dividend on outstanding preferred stock of CMP			(41,565,000)								500,000
Series A cumulative redeemable preferred stock	70,854,000	70,854,000			113,447,000							41,600,000
Par value of CMP preferred stock											32,800,000
Cumulative undeclared dividends on CMP preferred stock											8,300,000
Estimated common stock received in exchange for the equity interests										3,300,000
Future market revenue growth rates for residual year		2.00%									2.00%
Weighted average cost of capital		10.00%									10.50%
Amount of outstanding debt paid																				1,400,000,000																							790,000,000
Term loan and revolving credit facilities															200,000,000
Senior Notes issued						610,000,000																610,000,000
Goodwill purchase accounting adjustments related to fair value adjustments of broadcast licenses, current assets		9,100,000
Goodwill purchase accounting adjustments related to fair value adjustments of broadcast licenses, current liabilities		8,300,000
Purchase of exercisable warrants																24,100,000
Percentage of Senior notes		7.75%
Warrants held in reserve for potential future issuance		2,400,000
Purchase of Warrants																					47,600,000
Total term loan and revolving credit facilities	2,081,955,000	2,081,955,000			2,240,537,000																																			1,325,000,000	1,325,000,000	790,000,000		300,000,000
Proceeds from the sale of common stock, preferred stock and warrants to purchase common stock to certain investors															475,000,000
Aggregate purchase price			17,394,000	16,800,000
Acquisition cost related to corporate, general and administrative expenses								$ 1,600,000			$ 1,900,000			$ 57,700,000