Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Net revenue	$ 59,550us-gaap_Revenues	$ 52,656us-gaap_Revenues
Expenses:
Cost of revenue - digital media	1,360us-gaap_CostOfRevenue
Direct operating expenses (including related parties of $2,167 and $2,292) (including non-cash stock-based compensation of $358 and $90)	26,685us-gaap_DirectOperatingCosts	24,876us-gaap_DirectOperatingCosts
Selling, general and administrative expenses	10,501	8,631
Corporate expenses (including non-cash stock-based compensation of $509 and $618)	4,993evc_CorporateExpenses	4,836evc_CorporateExpenses
Depreciation and amortization (includes direct operating of $2,563 and $2,471; selling, general and administrative of $1,059 and $862 and corporate of $340 and $182) (including related parties of $581 and $581)	3,962us-gaap_DepreciationAndAmortization	3,515us-gaap_DepreciationAndAmortization
Total expenses	47,501us-gaap_OperatingExpenses	41,858us-gaap_OperatingExpenses
Operating income (loss)	12,049us-gaap_OperatingIncomeLoss	10,798us-gaap_OperatingIncomeLoss
Interest expense	(3,227)us-gaap_InterestExpense	(3,438)us-gaap_InterestExpense
Interest income	8us-gaap_InvestmentIncomeInterest	12us-gaap_InvestmentIncomeInterest
Income (loss) before income taxes	8,830	7,372
Income tax (expense) benefit	(3,546)us-gaap_IncomeTaxExpenseBenefit	(2,984)us-gaap_IncomeTaxExpenseBenefit
Net income (loss)	$ 5,284us-gaap_NetIncomeLoss	$ 4,388us-gaap_NetIncomeLoss
Basic and diluted earnings per share:
Net income (loss) per share, basic and diluted	$ 0.06us-gaap_EarningsPerShareBasicAndDiluted	$ 0.05us-gaap_EarningsPerShareBasicAndDiluted
Cash dividends declared per common share	$ 0.03	$ 0.03
Weighted average common shares outstanding, basic	87,531,375	88,683,948
Weighted average common shares outstanding, diluted	90,085,961	90,943,866

Corporate expenses.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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