ACQUISITIONS, DIVESTITURES AND PRO FORMA SUMMARY (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Acquisition [Line Items]
Payments to Acquire Businesses, Gross			$ 9,000,000	$ 0
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Merger and acquisition costs	1,542,000		1,542,000
Unaudited Pro Forma Summary Of Financial Information
Net revenues	100,429,000	104,041,000	287,772,000	293,084,000
Net income	7,959,000	11,414,000	58,451,000	30,804,000
Net income per common share - basic	$ 0.22	$ 0.32	$ 1.61	$ 0.86
Net income per common share - diluted	$ 0.21	$ 0.31	$ 1.55	$ 0.82
Radio Broadcasting Licences [Member] | KUFXFM [Member]
Purchase price allocation [Abstract]
Intangible assets non amortizable	8,050,000		8,050,000
KUFXFM [Member]
Acquisition [Line Items]
Payments to Acquire Businesses, Gross			9,000,000
Acquisition price paid from borrowing	7,600,000		7,600,000
Acquisition price paid as deposit	1,400,000		1,400,000
Net time brokerage agreement (income) fees	200,000		200,000
Purchase price allocation [Abstract]
Total tangible assets	645,000		645,000
Total intangible assets	9,193,000		9,193,000
Total assets	9,838,000		9,838,000
Net assets acquired	9,000,000		9,000,000
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Merger and acquisition costs	100,000		100,000
KUFXFM [Member] | Income agreements [Member]
Purchase price allocation [Abstract]
Intangible assets amortizable	200,000		200,000
Intangible assets amortization period minimum			3.8
Intangible assets amortization period maximum			4.6
KUFXFM [Member] | Advertiser lists and customer relationships [Member]
Purchase price allocation [Abstract]
Intangible assets amortizable	161,000		161,000
Intangible assets amortization period			3
KUFXFM [Member] | Acquired advertising contracts [Member]
Purchase price allocation [Abstract]
Intangible assets amortizable	59,000		59,000
Intangible assets amortization period			1
KUFXFM [Member] | Goodwill [Member]
Purchase price allocation [Abstract]
Intangible assets non amortizable	723,000		723,000
KUFXFM [Member] | Leasehold improvements [Member]
Purchase price allocation [Abstract]
Total tangible assets	113,000		113,000
Tangible assets amortization period minimum			3.8
Tangible assets amortization period maximum			7.5
KUFXFM [Member] | Furniture and equipment [Member]
Purchase price allocation [Abstract]
Total tangible assets	69,000		69,000
Tangible assets amortization period minimum			1
Tangible assets amortization period maximum			3
KUFXFM [Member] | Equipment [Member]
Purchase price allocation [Abstract]
Total tangible assets	463,000		463,000
Tangible assets amortization period minimum			3
Tangible assets amortization period maximum			5
KUFXFM [Member] | Unfavorable lease liability [Member]
Purchase price allocation [Abstract]
Other liabilities	(765,000)		(765,000)
Intangible assets amortization period			7.5
KUFXFM [Member] | Asset retirement liabilities [Member]
Purchase price allocation [Abstract]
Other liabilities	(73,000)		(73,000)
Intangible assets amortization period minimum			3.8
Intangible assets amortization period maximum			7.5
Acquired advertising contracts [Member] | Lease abandonment expense [Member]
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Merger and acquisition costs	775,000		775,000
Legal and advisory expenses [Member]
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Merger and acquisition costs	$ 767,000		$ 767,000