XML 20 R34.htm IDEA: XBRL DOCUMENT
v3.20.1

Nature of Business (Details) $ in Thousands | Jan. 22, 2019 USD ($) | Mar. 31, 2020 item
--- | --- | ---
Nature Of Operations [Line Items] |  |
Number of university partners | item |  | 24
Orbis Education |  |
Nature Of Operations [Line Items] |  |
Purchase price | $ | $ 361,184 |

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 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
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=lope_OrbisEducationServicesLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |