GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS: (Details 7) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets, Gross	$ 355,739	$ 353,180
Less: Accumulated amortization	(121,738)	(90,200)
Other intangible assets, net	234,001	262,980
Trade Names [Member]
Finite-Lived Intangible Assets, Gross	17,133	17,133
Trade Names [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	2 years
Trade Names [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Talent Agreement [Member]
Finite-Lived Intangible Assets, Gross	19,549	19,549
Finite-Lived Intangible Asset, Useful Life	10 years
Debt Financing and Modification Costs [Member]
Finite-Lived Intangible Assets, Gross	18,674	16,115
Finite Lived Intangible Asset Period Of Amortization	Term of debt
Intellectual Property [Member]
Finite-Lived Intangible Assets, Gross	14,151	14,151
Intellectual Property [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	4 years
Intellectual Property [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Affiliate Agreements [Member]
Finite-Lived Intangible Assets, Gross	186,755	186,755
Affiliate Agreements [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	1 year
Affiliate Agreements [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Acquired Income Leases [Member]
Finite-Lived Intangible Assets, Gross	1,282	1,282
Acquired Income Leases [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Acquired Income Leases [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	9 years
Noncompete Agreements [Member]
Finite-Lived Intangible Assets, Gross	1,260	1,260
Noncompete Agreements [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	1 year
Noncompete Agreements [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Advertiser Agreements [Member]
Finite-Lived Intangible Assets, Gross	47,688	47,688
Advertiser Agreements [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	2 years
Advertiser Agreements [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	7 years
Favorable Office and Transmitter Leases [Member]
Finite-Lived Intangible Assets, Gross	3,358	3,358
Favorable Office and Transmitter Leases [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	2 years
Favorable Office and Transmitter Leases [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	60 years
Brand Names [Member]
Finite-Lived Intangible Assets, Gross	2,539	2,539
Finite-Lived Intangible Asset, Useful Life	2 years 6 months
Brand Names Unamortized [Member]
Finite-Lived Intangible Assets, Gross	39,688	39,688
Other Intangibles Asset [Member]
Finite-Lived Intangible Assets, Gross	$ 3,662	$ 3,662
Other Intangibles Asset [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	1 year
Other Intangibles Asset [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	5 years

A description of the amortization period of a major finite-lived intangible asset class.

No definition available.

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Namespace Prefix:	roia_
Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

The net carrying amount as of the balance sheet date of other indefinite-lived and finite-lived intangible assets that are not separately presented on the statement of financial position.

+ References

No definition available.

+ Details

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