Tax Receivable Agreement (Details) $ in Millions	6 Months Ended
Jun. 30, 2019 USD ($)
Tax Receivable Agreement
Payment on applicable cash tax savings (as a percent)	85.00%
Realized tax savings	$ 0.0
Payments to TRA obligation	0.0
Deferred tax asset recorded in connection with a stock offering	95.5
Amount of payment liability pursuant to tax receivable agreements	$ 81.1

Deferred tax asset recorded in connection with a stock offering.

No definition available.

Name:	evop_DeferredTaxAssetRelatedToStockOffering
Namespace Prefix:	evop_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of payment liability pursuant to tax receivable agreements.

No definition available.

Name:	evop_PaymentLiabilityPursuantToTaxReceivableAgreements
Namespace Prefix:	evop_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The cash outflows associated with payment of tax receivable agreement obligation.

No definition available.

Name:	evop_PaymentMadeToTaxReceivableAgreementObligation
Namespace Prefix:	evop_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the percentage of applicable cash tax savings, which the entity will pay to the counterparty under the terms of the agreement.

No definition available.

Name:	evop_TaxReceivableAgreementPaymentsPercentageOfCashTaxSavings
Namespace Prefix:	evop_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the amount of realized tax savings under tax receivable agreement.

No definition available.

Name:	evop_TaxReceivableAgreementRealizedTaxSavings
Namespace Prefix:	evop_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

No definition available.

Name:	evop_TaxReceivableAgreementsAbstract
Namespace Prefix:	evop_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration