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Percentage of revenue for the remaining performance obligations on existing contracts expected to be recognized greater than three years from the balance sheet date.

No definition available.

Name:	pega_RevenueRemainingPerformanceObligationExpectedPercentageToBeRecognizedGreaterThan3years
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Percentage of Revenue for the remaining performance obligations on existing contracts expected to be recognized one to two years from the balance sheet date.

No definition available.

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Percentage of Revenue for the remaining performance obligations on existing contracts expected to be recognized two to three years from the balance sheet date.

No definition available.

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Revenue for the remaining performance obligations on existing contracts expected to be recognized within one year from the balance sheet date.

No definition available.

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Revenue for the remaining performance obligations on existing contracts expected to be recognized greater than three years from the balance sheet date.

No definition available.

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Revenue for the remaining performance obligations on existing contracts expected to be recognized one to two years from the balance sheet date.

No definition available.

Name:	pega_RevenueRemainingPerformanceObligationExpectedToBeRecognizedYears1to2
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Revenue for the remaining performance obligations on existing contracts expected to be recognized two to three years from the balance sheet date.

No definition available.

Name:	pega_RevenueRemainingPerformanceObligationExpectedToBeRecognizedYears2to3
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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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