Represents the amount of loan issued for paying withholding taxes.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Number of minority owned subsidiaries entered into agreement

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of wholly owned subsidiaries entered into agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	evop_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflows relating to fees to related party.

+ References

No definition available.

+ Details

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

- Definition

Amount of receivables due from related companies by means of direct or indirect ownership, due within 1 year (or 1 business cycle).

+ References

No definition available.

+ Details

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

- Definition

The monthly lease payment for office space in a related party transaction.

+ References

No definition available.

+ Details

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

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.1(c))
-URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evop_MinorityHeldAffiliatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evop_CertainEmployeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evop_NfpMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=evop_ConsultingServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evop_MDPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=evop_TreasuryPayrollTaxPreparationAndOtherServicesMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evop_BlueappleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=evop_SatisfactionOfObligationToPayCommissionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=evop_CardBasedProcessingServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CounterpartyNameAxis=evop_UnrelatedThirdPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evop_FederatedPaymentSystemsLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_RelatedPartyTransactionAxis=evop_MarketingServicesMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evop_FederatedPaymentCanadaCorporationMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_RelatedPartyTransactionAxis=evop_OfficeSpaceOwnedByRelatedPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_RelatedPartyTransactionAxis=evop_MarketingServicesAndEquipmentInExchangeMember
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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evop_RelativeOfMemberOfCompanyMember
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Related Party Transactions - Transactions (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) subsidiary	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Related Party Transactions
Receivables from related companies	$ 876		$ 876		$ 974
Members of EVO, LLC
Related Party Transactions
Receivables from related companies	600		600		800
Minority held affiliates
Related Party Transactions
Receivables from related companies	700		700		$ 300
Certain employees
Related Party Transactions
Loans issued for paying withholding taxes	900		900
NFP
Related Party Transactions
Payment of fees			100	$ 200
NFP \| Maximum
Related Party Transactions
Payment of fees	100	$ 100
Consulting services \| MDP \| Maximum
Related Party Transactions
Payment of fees	100	100	100	5,700
Treasury, Payroll, Tax Preparation and Other Services \| Blueapple
Related Party Transactions
Expenses with related parties		100	100	200
Treasury, Payroll, Tax Preparation and Other Services \| Blueapple \| Maximum
Related Party Transactions
Expenses with related parties	$ 100
Satisfaction of Obligation to Pay Commissions \| Blueapple
Related Party Transactions
Expenses with related parties			$ 2,400
Card-based processing services \| Unrelated Third Party
Related Party Transactions
Ownership interest (as a percent)	0.33%		0.33%
Card-based processing services \| Federated US
Related Party Transactions
Revenue from related parties	$ 100	100	$ 400	400
Ownership interest (as a percent)	0.33%		0.33%
Marketing services \| Federated Canada
Related Party Transactions
Payment of fees	$ 1,900	2,300	$ 5,800	6,400
Ownership interest (as a percent)	0.33%		0.33%
515 Broadhollow, LLC
Related Party Transactions
Monthly lease payment for office space in a related party transaction			$ 100
Marketing services and equipment in exchange \| Relative of Chairman
Related Party Transactions
Payment of fees	$ 100	$ 100	$ 400	$ 200
Number of wholly owned subsidiaries \| subsidiary			1
Number of minority owned subsidiaries \| subsidiary			1