ACQUISITIONS, DIVESTITURES AND PRO FORMA SUMMARY (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Acquisition [Line Items]
Payments to Acquire Businesses, Gross			$ 83,553	$ 0	$ 0
Purchase price allocation [Abstract]
Property, Plant and Equipment, Gross			181,861	162,516
Property Plant And Equipment Net			57,993	44,662
Depreciation			7,419	6,748	7,543
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Merger and acquisition costs			6,836	1,042	0
Merger and acquisition costs and restructuring charges			6,836	1,042	0
Restructuring Charges			2,858
Unaudited Pro Forma Summary Of Financial Information
Net revenues			442,485	437,597	377,618
Net income			$ 33,050	$ 22,736	$ 26,024
Net income per common share - basic			$ 0.81	$ 0.56	$ 0.7
Net income per common share - diluted			$ 0.79	$ 0.55	$ 0.68
Business Acquisitions Pro Forma Net Income Loss Available to Common Shareholders			$ 30,850	$ 21,086	$ 26,024
Lease Abandonment Liability				700
Lease Abandonment Expense Recovery				600
Acquisition Price Paid Using Convertible Preferred Stock			27,500	0
Adjustment [Member]
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Restructuring Charges			(13)
Lease abandonment expense [Member]
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Restructuring Charges			687
Cost Of Terminating Contracts [Member]
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Restructuring Charges			646
One Time Termination Expenses [Member]
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Restructuring Charges			1,538
Accrued Restructuring Costs [Member]
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Restructuring Charges			1,686	0	0
Realized Restructuring Costs [Member]
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Restructuring Charges			(1,172)	0	$ 0
Equipment [Member]
Purchase price allocation [Abstract]
Property, Plant and Equipment, Gross			$ 108,399	97,509
Equipment [Member] | Maximum [Member]
Purchase price allocation [Abstract]
Tangible assets amortization period			40 years
Equipment [Member] | Minimum [Member]
Purchase price allocation [Abstract]
Tangible assets amortization period			3 years
Building [Member]
Purchase price allocation [Abstract]
Property, Plant and Equipment, Gross			$ 22,711	21,836
Building [Member] | Maximum [Member]
Purchase price allocation [Abstract]
Tangible assets amortization period			40 years
Building [Member] | Minimum [Member]
Purchase price allocation [Abstract]
Tangible assets amortization period			20 years
Radio Broadcasting Licences [Member]
Purchase price allocation [Abstract]
Total intangible assets			$ 79,209	0
LFM [Member]
Acquisition [Line Items]
Acquisition price paid from borrowing			42,000
Purchases of radio station assets			(77,500)
Purchase price allocation [Abstract]
Total tangible assets		$ 18,175	18,175
Total intangible assets		87,447	87,447
Total assets	$ 120,729	120,729	120,771
Net assets acquired	113,490	113,490	113,298
Total current assets	15,107	15,107	15,149
Total current liabilities	3,967	3,967	4,201
Total liabilities acquired	7,239	7,239	7,473
Total long-term assets acquired			3,272
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Merger and acquisition costs and restructuring charges	0		3,978	$ 1,042
Unaudited Pro Forma Summary Of Financial Information
Acquisition Price Paid Using Convertible Preferred Stock			27,500
Aquisition Related Working Capital Reimbursement			11,000
Aquisition Related Working Capital Credit			2,700
Aquisition Purchase Price Total			$ 105,000
Discount Rates			9.60%
LFM [Member] | Adjustment [Member]
Purchase price allocation [Abstract]
Total assets			$ 42
Net assets acquired			(192)
Total current assets			42
Total current liabilities			234
Total liabilities acquired			234
LFM [Member] | Cash [Member]
Purchase price allocation [Abstract]
Total current assets	2,246	2,246	2,246
LFM [Member] | Accounts Receivable [Member]
Purchase price allocation [Abstract]
Total current assets	11,908	11,908	11,933
LFM [Member] | Accounts Receivable [Member] | Adjustment [Member]
Purchase price allocation [Abstract]
Total current assets			25
LFM [Member] | Prepaid Expenses And Other Current Assets [Member]
Purchase price allocation [Abstract]
Total current assets	953	953	970
LFM [Member] | Prepaid Expenses And Other Current Assets [Member] | Adjustment [Member]
Purchase price allocation [Abstract]
Total current assets			$ 17
LFM [Member] | Maximum [Member]
Unaudited Pro Forma Summary Of Financial Information
Fair Value Inputs Long Term Revenue Growth Rate			1.50%
LFM [Member] | Minimum [Member]
Unaudited Pro Forma Summary Of Financial Information
Fair Value Inputs Long Term Revenue Growth Rate			1.00%
LFM [Member] | Unfavorable lease liability [Member]
Purchase price allocation [Abstract]
Total current liabilities	3,272	3,272
LFM [Member] | Accrued Liabilities [Member]
Purchase price allocation [Abstract]
Total current liabilities	3,232	3,232	$ 3,466
LFM [Member] | Accrued Liabilities [Member] | Adjustment [Member]
Purchase price allocation [Abstract]
Total current liabilities			234
LFM [Member] | Accounts Payable [Member]
Purchase price allocation [Abstract]
Total current liabilities	723	723	723
LFM [Member] | Liability [Member]
Purchase price allocation [Abstract]
Total current liabilities	12	12	12
LFM [Member] | Leasehold improvements [Member]
Purchase price allocation [Abstract]
Total tangible assets		973	973
LFM [Member] | Furniture and equipment [Member]
Purchase price allocation [Abstract]
Total tangible assets		29	29
LFM [Member] | Equipment [Member]
Purchase price allocation [Abstract]
Total tangible assets		8,651	8,651
LFM [Member] | Land and Land Improvements [Member]
Purchase price allocation [Abstract]
Total tangible assets		87	87
LFM [Member] | Land [Member]
Purchase price allocation [Abstract]
Total tangible assets		7,368	7,368
LFM [Member] | Building [Member]
Purchase price allocation [Abstract]
Total tangible assets		1,067	1,067
LFM [Member] | Radio Broadcasting Licences [Member]
Purchase price allocation [Abstract]
Total intangible assets		79,209	79,209
LFM [Member] | Goodwill [Member]
Purchase price allocation [Abstract]
Total intangible assets		5,866	4,502
LFM [Member] | Goodwill [Member] | Adjustment [Member]
Purchase price allocation [Abstract]
Total intangible assets			(1,364)
LFM [Member] | Assets Held For Sale [Member]
Purchase price allocation [Abstract]
Total intangible assets		1,885	1,885
LFM [Member] | Lease Agreements [Member]
Purchase price allocation [Abstract]
Total intangible assets		487	487
LFM [Member] | Other Noncurrent Assets [Member]
Purchase price allocation [Abstract]
Total intangible assets			1,364
Total long-term assets acquired	0	0
LFM [Member] | Other Noncurrent Assets [Member] | Adjustment [Member]
Purchase price allocation [Abstract]
Total intangible assets			1,364
BonnevilleSwap [Member]
Acquisition [Line Items]
Net time brokerage agreement (income) fees			300
Purchase price allocation [Abstract]
Total tangible assets		1,133	1,133
Total intangible assets		54,015	53,326
Total assets	59,323	59,323	59,323
Net assets acquired	59,000	59,000	$ 59,000
Unaudited Pro Forma Summary Of Financial Information
Fair Value Inputs Long Term Revenue Growth Rate			1.00%
Discount Rates			9.20%
BonnevilleSwap [Member] | Adjustment [Member]
Purchase price allocation [Abstract]
Total intangible assets			$ (689)
BonnevilleSwap [Member] | Accounts Receivable [Member]
Purchase price allocation [Abstract]
Total current assets	4,175	4,175	4,864
BonnevilleSwap [Member] | Accounts Receivable [Member] | Adjustment [Member]
Purchase price allocation [Abstract]
Total current assets			689
BonnevilleSwap [Member] | Unfavorable lease liability [Member]
Purchase price allocation [Abstract]
Other long-term liabilities	$ 323	323	323
BonnevilleSwap [Member] | Furniture and equipment [Member]
Purchase price allocation [Abstract]
Total tangible assets		121	121
BonnevilleSwap [Member] | Equipment [Member]
Purchase price allocation [Abstract]
Total tangible assets		1,012	1,012
BonnevilleSwap [Member] | Radio Broadcasting Licences [Member]
Purchase price allocation [Abstract]
Total intangible assets		53,371	53,057
BonnevilleSwap [Member] | Radio Broadcasting Licences [Member] | Adjustment [Member]
Purchase price allocation [Abstract]
Total intangible assets			(314)
BonnevilleSwap [Member] | Goodwill [Member]
Purchase price allocation [Abstract]
Total intangible assets		641	266
BonnevilleSwap [Member] | Goodwill [Member] | Adjustment [Member]
Purchase price allocation [Abstract]
Total intangible assets			(375)
BonnevilleSwap [Member] | Advertiser lists and customer relationships [Member]
Purchase price allocation [Abstract]
Total intangible assets		1	1
BonnevilleSwap [Member] | Trademarks [Member]
Purchase price allocation [Abstract]
Total intangible assets		$ 2	2
KOSI [Member]
Unaudited Pro Forma Summary Of Financial Information
Expected gain on sale of station			1,500
AHFS [Member]
Purchase price allocation [Abstract]
Total intangible assets			1,397
Total assets			6,106
Property Plant And Equipment Net			4,709
Depreciation			796
AHFS [Member] | Radio Broadcasting Licences [Member]
Purchase price allocation [Abstract]
Total intangible assets			1,397
AHFS [Member] | Goodwill [Member]
Purchase price allocation [Abstract]
Total intangible assets			0
AHFS [Member] | Other Noncurrent Assets [Member]
Purchase price allocation [Abstract]
Total intangible assets			0
Property, Plant and Equipment, Gross			5,505
AHFS [Member] | Other Noncurrent Assets [Member] | Leasehold improvements [Member]
Purchase price allocation [Abstract]
Property, Plant and Equipment, Gross			0
AHFS [Member] | Other Noncurrent Assets [Member] | Equipment [Member]
Purchase price allocation [Abstract]
Property, Plant and Equipment, Gross			497
AHFS [Member] | Other Noncurrent Assets [Member] | Land [Member]
Purchase price allocation [Abstract]
Property, Plant and Equipment, Gross			3,972
AHFS [Member] | Other Noncurrent Assets [Member] | Building [Member]
Purchase price allocation [Abstract]
Property, Plant and Equipment, Gross			$ 1,036