Debt Instrument, Maturity, Month and Year

No definition available.

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Namespace Prefix:	evtc_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

+ Details

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

- Details

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

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Debt and Short-Term Borrowings (Parenthetical) (Detail)	6 Months Ended	12 Months Ended
Debt and Short-Term Borrowings (Parenthetical) (Detail)	Jun. 30, 2013	Dec. 31, 2012	Dec. 31, 2011
LIBOR Floor
Debt Instrument [Line Items]
Margin interest rate		1.50%
Alternate Base Rate
Debt Instrument [Line Items]
Margin interest rate		4.00%
Senior Notes
Debt Instrument [Line Items]
Debt, maturity date		Oct. 01, 2018	Oct. 01, 2018
Debt, interest rate		11.00%	11.00%
Debt, interest payment term		Semi-annually	Semi-annually
Senior Secured Credit Facility \| Term A due on April 17, 2018
Debt Instrument [Line Items]
Debt, maturity date	Apr. 17, 2018	Apr. 17, 2018
Margin interest rate	2.50%
Senior Secured Credit Facility \| Term B due on April 17, 2020
Debt Instrument [Line Items]
Debt, maturity date	Apr. 17, 2020	Apr. 17, 2020
Senior Secured Credit Facility \| Term B due on April 17, 2020 \| LIBOR Floor
Debt Instrument [Line Items]
Margin interest rate	0.75%
Senior Secured Credit Facility \| Term B due on April 17, 2020 \| Alternate Base Rate
Debt Instrument [Line Items]
Margin interest rate	2.75%
Senior Secured Credit Facility due on September 30, 2016 paying interest at a variable interest rate (LIBOR plus margin)
Debt Instrument [Line Items]
Debt, maturity year		2016-09	2016-09
Debt, maturity date	Sep. 30, 2016	Sep. 30, 2016
Margin interest rate		1.50%	1.50%