Income Tax - Operating Loss Carryforwards (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Income Tax Disclosure [Abstract]
2021	$ 106
2022	97
2023	16
2028	674
2029	1,558
2030	4,198
Indefinitely	$ 884

Net Operating Loss Carryforwards, Expiration Thereafter

No definition available.

Name:	evtc_NetOperatingLossCarryforwardsExpirationThereafter
Namespace Prefix:	evtc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant