Significant Accounting Policies (Policies)	9 Months Ended
Sep. 30, 2012
Significant Accounting Policies [Abstract]
Deferred Acquisition Payment	*Deferred Acquisition Payment* The Company’s deferred acquisition payments represent consideration payable related to a business combination, which may be paid in either cash or shares of the Company’s Class B common stock at the Company’s discretion. Any deferred acquisition payments settled in Class B common stock will be increased by 5%. The deferred acquisition payments were originally recognized at fair value at the date of the business combination and are recorded as liabilities on the balance sheet. Interest expense on the principal amounts due is accreted each period using the effective interest rate method. Both deferred acquisition payments were paid in cash in April 2012 and October 2012.
Recently Issued Accounting Pronouncements	*Recently Issued Accounting Pronouncements* In July 2012, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update No. 2012-02, Intangibles—Goodwill and Other (Topic 350)—Testing Indefinite-Lived Intangible Assets for Impairment (ASU 2012-02), to allow entities to use a qualitative approach to test indefinite-lived intangible assets for impairment. ASU 2012-02 permits an entity to first perform a qualitative assessment to determine whether it is more likely than not that the fair value of an indefinite-lived intangible asset is less than its carrying value. If it is concluded that this is the case, it is necessary to perform the currently prescribed quantitative impairment test by comparing the fair value of the indefinite-lived intangible asset with its carrying value. ASU 2012-02 is effective for annual and interim impairment tests performed for fiscal years beginning after September 15, 2012 and early adoption is permitted. The Company is currently evaluating the impact of the adoption of ASU 2012-02 on the consolidated financial statements.
Intangibles-Goodwill and Other (Topic 350)-Testing Indefinite-Lived Intangible Assets for Impairment	Intangibles—Goodwill and Other (Topic 350)—Testing Indefinite-Lived Intangible Assets for Impairment (ASU 2012-02),
Revenues	*Revenues*

Disclosure of accounting policy for indefinite-lived intangible assets (that is, those intangible assets not subject to amortization). This accounting policy also may address how the entity assesses whether events and circumstances continue to support an indefinite useful life and how the entity assesses and measures impairment of such assets.

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Disclosure of accounting policy for revenue recognition. If the entity has different policies for different types of revenue transactions, the policy for each material type of transaction is generally disclosed. If a sales transaction has multiple element arrangements (for example, delivery of multiple products, services or the rights to use assets) the disclosure may indicate the accounting policy for each unit of accounting as well as how units of accounting are determined and valued. The disclosure may encompass important judgment as to appropriateness of principles related to recognition of revenue. The disclosure also may indicate the entity's treatment of any unearned or deferred revenue that arises from the transaction.

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