XML 64 R53.htm IDEA: XBRL DOCUMENT v3.22.2.2

Segment Reporting - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2022 Segment
Segment Reporting Information [Line Items]
Number of reporting segments	2
CTU [Member]
Segment Reporting Information [Line Items]
Students enrolled expressed as percentage of enrollment	64.00%
CTU [Member] | Fully Online [Member]
Segment Reporting Information [Line Items]
Percentage of enrollment	97.00%
AIUS [Member]
Segment Reporting Information [Line Items]
Students enrolled expressed as percentage of enrollment	36.00%
AIUS [Member] | Fully Online [Member]
Segment Reporting Information [Line Items]
Percentage of enrollment	97.00%

X

- Definition

Percentage of enrollment.

+ References

No definition available.

+ Details

Name:	prdo_PercentageOfEnrollment
Namespace Prefix:	prdo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The percentage of student enrollment for a specific group of the total entity.

+ References

No definition available.

+ Details

Name:	prdo_PercentageOfStudentEnrollment
Namespace Prefix:	prdo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- 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

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

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=prdo_CTUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=prdo_FullyOnlineProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=prdo_AIUSMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: