Related Party Transactions - Additional Information (Detail) $ in Millions	Jun. 30, 2015 USD ($)
Related Party Transactions [Abstract]
Letter of credit issued by Popular	$ 4.2

Outstanding letters of credit used for collateral to related party.

No definition available.

Name:	evtc_OutstandingLettersOfCreditForWhichCollateralProvidedToRelatedParty
Namespace Prefix:	evtc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant