Interim Financial Data, Basis of Presentation:	6 Months Ended
Jun. 30, 2011
Interim Financial Data, Basis of Presentation: [Abstract]
Interim Financial Data, Basis of Presentation:	1. Interim Financial Data, Basis of Presentation: *Interim Financial Data* The accompanying unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements of Cumulus Media Inc. (the “Company”) and the notes related thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010. These financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements. In the opinion of management, all adjustments necessary for a fair statement of results of the interim periods have been made and such adjustments were of a normal and recurring nature. The results of operations and cash flows for the six months ended June 30, 2011 are not necessarily indicative of the results of operations or cash flows that can be expected for any other interim period or for the fiscal year ending December 31, 2011. The preparation of financial statements in conformity with GAAP requires management to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosures of contingent assets and liabilities. On an on-going basis, the Company evaluates its estimates, including those related to bad debts, intangible assets, derivative financial instruments, income taxes, stock-based compensation, contingencies and litigation. The Company bases its estimates on historical experience and on various assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual amounts and results may differ materially from these estimates under different assumptions or conditions. *Recent Accounting Pronouncements* ASU 2010-28. In December 2010, the Financial Accounting Standards Board (“FASB”) provided additional guidance for performing Step 1 of the test for goodwill impairment when an entity has reporting units with zero or negative carrying values. This Accounting Standards Update (“ASU”) updates Accounting Standards Codification (“ASC”) 350, Intangibles — Goodwill and Other, to amend the criteria for performing Step 2 of the goodwill impairment test for reporting units with zero or negative carrying amounts and requires performing Step 2 if qualitative factors indicate that it is more likely than not that a goodwill impairment exists. The Company adopted this guidance effective on January 1, 2011. The update did not have a material impact on the Company’s consolidated financial statements. ASU 2010-29. In December 2010, the FASB issued clarification of the accounting guidance related to disclosure of pro forma information for business combinations that occur in the current reporting period. The guidance requires companies to present pro forma information in their comparative financial statements as if the acquisition date for any business combinations taking place in the current reporting period had occurred at the beginning of the prior year reporting period. The Company adopted this guidance effective January 1, 2011. The guidance did not have a material impact on the Company’s financial statements. ASU 2011-04. In May 2011, the FASB issued an amendment for measuring fair value. The amendment clarifies the FASB’s intent about the application of existing fair value measurement requirements and expands the disclosures for fair value measurements. Expanded disclosures are required for fair value measurements categorized within Level 3 of the fair value hierarchy. Additional disclosures are also required for nonfinancial assets that differ from the asset’s highest and best use when measured at fair value or when its fair value is measured on the basis of its highest and best use as well as the categorization by level of the fair value hierarchy for items that are not measured at fair value but for which the fair value is required to be disclosed. The amendments are effective for interim and annual periods beginning after December 15, 2011 and are not expected to have a material impact on the Company’s financial statements.

1. Interim Financial Data, Basis of Presentation:

Interim Financial Data

The accompanying unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements of Cumulus Media Inc. (the “Company”) and the notes related thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010. These financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements. In the opinion of management, all adjustments necessary for a fair statement of results of the interim periods have been made and such adjustments were of a normal and recurring nature. The results of operations and cash flows for the six months ended June 30, 2011 are not necessarily indicative of the results of operations or cash flows that can be expected for any other interim period or for the fiscal year ending December 31, 2011.

The preparation of financial statements in conformity with GAAP requires management to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosures of contingent assets and liabilities. On an on-going basis, the Company evaluates its estimates, including those related to bad debts, intangible assets, derivative financial instruments, income taxes, stock-based compensation, contingencies and litigation. The Company bases its estimates on historical experience and on various assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual amounts and results may differ materially from these estimates under different assumptions or conditions.

Recent Accounting Pronouncements

ASU 2010-28. In December 2010, the Financial Accounting Standards Board (“FASB”) provided additional guidance for performing Step 1 of the test for goodwill impairment when an entity has reporting units with zero or negative carrying values. This Accounting Standards Update (“ASU”) updates Accounting Standards Codification (“ASC”) 350, Intangibles — Goodwill and Other, to amend the criteria for performing Step 2 of the goodwill impairment test for reporting units with zero or negative carrying amounts and requires performing Step 2 if qualitative factors indicate that it is more likely than not that a goodwill impairment exists. The Company adopted this guidance effective on January 1, 2011. The update did not have a material impact on the Company’s consolidated financial statements.

ASU 2010-29. In December 2010, the FASB issued clarification of the accounting guidance related to disclosure of pro forma information for business combinations that occur in the current reporting period. The guidance requires companies to present pro forma information in their comparative financial statements as if the acquisition date for any business combinations taking place in the current reporting period had occurred at the beginning of the prior year reporting period. The Company adopted this guidance effective January 1, 2011. The guidance did not have a material impact on the Company’s financial statements.

ASU 2011-04. In May 2011, the FASB issued an amendment for measuring fair value. The amendment clarifies the FASB’s intent about the application of existing fair value measurement requirements and expands the disclosures for fair value measurements. Expanded disclosures are required for fair value measurements categorized within Level 3 of the fair value hierarchy. Additional disclosures are also required for nonfinancial assets that differ from the asset’s highest and best use when measured at fair value or when its fair value is measured on the basis of its highest and best use as well as the categorization by level of the fair value hierarchy for items that are not measured at fair value but for which the fair value is required to be disclosed. The amendments are effective for interim and annual periods beginning after December 15, 2011 and are not expected to have a material impact on the Company’s financial statements.