XML 66 R55.htm IDEA: XBRL DOCUMENT v3.22.2.2

Segment Reporting - Summary Financial Information by Reporting Segment (Parenthetical) (Detail)	9 Months Ended
	Sep. 30, 2022
CTU [Member] | Hippo [Member]
Segment Reporting Information [Line Items]
Acquisition date	Sep. 10, 2021
AIUS [Member] | DigitalCrafts [Member]
Segment Reporting Information [Line Items]
Acquisition date	Aug. 02, 2021
AIUS [Member] | CalSouthern [Member]
Segment Reporting Information [Line Items]
Acquisition date	Jul. 01, 2022

X

- Definition

Date when the acquirer obtains control of the acquiree, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=123586518&loc=d3e848-128460

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=123586518&loc=d3e845-128460

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
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_SubsegmentsAxis=prdo_CTUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=prdo_HippoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=prdo_DigtalCraftsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=prdo_CalsouthernMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: