Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income (loss)	$ 5,284us-gaap_NetIncomeLoss	$ 4,388us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	3,962us-gaap_DepreciationAndAmortization	3,515us-gaap_DepreciationAndAmortization
Deferred income taxes	2,959us-gaap_DeferredIncomeTaxExpenseBenefit	2,495us-gaap_DeferredIncomeTaxExpenseBenefit
Amortization of debt issue costs	194us-gaap_AmortizationOfFinancingCosts	201us-gaap_AmortizationOfFinancingCosts
Amortization of syndication contracts	86evc_AmortizationOfSyndicationContracts	122evc_AmortizationOfSyndicationContracts
Payments on syndication contracts	(122)evc_PaymentsOnSyndicationContracts	(158)evc_PaymentsOnSyndicationContracts
Non-cash stock-based compensation	867us-gaap_ShareBasedCompensation	708us-gaap_ShareBasedCompensation
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	15,976	3,510
(Increase) decrease in prepaid expenses and other assets	(561)	(993)
Increase (decrease) in accounts payable, accrued expenses and other liabilities	(3,840)	(7,041)
Net cash provided by (used in) operating activities	24,805	6,747
Cash flows from investing activities:
Purchases of property and equipment and intangibles	(2,972)	(1,918)
Net cash provided by (used in) investing activities	(2,972)	(1,918)
Cash flows from financing activities:
Proceeds from stock option exercises	900	1,636
Payments on long-term debt	(938)us-gaap_RepaymentsOfLongTermDebt	(938)us-gaap_RepaymentsOfLongTermDebt
Dividends paid	(2,191)us-gaap_PaymentsOfDividends	(2,224)us-gaap_PaymentsOfDividends
Payment of contingent consideration	(1,000)evc_PaymentOfContingentConsideration
Net cash provided by (used in) financing activities	(3,229)	(1,526)
Net increase (decrease) in cash and cash equivalents	18,604	3,303
Cash and cash equivalents:
Beginning	31,260	43,822
Ending	49,864	47,125
Cash payments for:
Interest	3,032us-gaap_InterestPaidNet	5,420us-gaap_InterestPaidNet
Income taxes	$ 587us-gaap_IncomeTaxesPaidNet	$ 489us-gaap_IncomeTaxesPaidNet

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