XML 39 R28.htm IDEA: XBRL DOCUMENT v3.24.3

Nature of Business (Details)	9 Months Ended
	Sep. 30, 2024 item
Nature Of Operations
Number of off-campus classroom and laboratory sites	4
Number of university partners	22
Grand Canyon University
Nature Of Operations
Number of colleges operated	10
Number of off-campus classroom and laboratory sites	8

X

- Definition

Nature Of Operations [Line Items]

+ References

No definition available.

+ Details

Name:	lope_NatureOfOperationsLineItems
Namespace Prefix:	lope_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of online and on ground colleges offering graduate and undergraduate degrees within the university.

+ References

No definition available.

+ Details

Name:	lope_NumberOfColleges
Namespace Prefix:	lope_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of off-campus classroom and laboratory sites.

+ References

No definition available.

+ Details

Name:	lope_NumberOfOffCampusClassroomAndLaboratorySites
Namespace Prefix:	lope_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the number of universities served by the entity.

+ References

No definition available.

+ Details

Name:	lope_NumberOfUniversityServicePartners
Namespace Prefix:	lope_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	dei_LegalEntityAxis=lope_GrandCanyonUniversityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: