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No definition available.

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Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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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.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

+ References

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Share-Based Compensation - Additional Information (Details) shares in Thousands, $ in Thousands	1 Months Ended	6 Months Ended
	Jun. 30, 2026 shares	Jun. 30, 2026 USD ($) item shares	Jun. 30, 2025 USD ($)
Share-Based Compensation
Share-based compensation \| $		$ 7,054	$ 7,117
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense
Share-Based Compensation
Share-based compensation \| $		1,727	1,699
Location, Statement of Income, Balance [Axis]: us-gaap:MarketingExpense
Share-Based Compensation
Share-based compensation \| $		153	132
Location, Statement of Income, Balance [Axis]: lope:CounselingServicesAndSupport
Share-Based Compensation
Share-based compensation \| $		3,868	3,834
Location, Statement of Income, Balance [Axis]: lope:TechnologyAndAcademicServices
Share-Based Compensation
Share-based compensation \| $		$ 1,306	$ 1,452
2017 Plan
Share-Based Compensation
Shares available for grant \| shares	1,497	1,497
Restricted Stock Grants
Share-Based Compensation
Shares granted \| shares		87
Shares withheld for taxes \| shares		47
Common stock in lieu of taxes \| $		$ 7,521
Shares vested \| shares		123
Restricted Stock Grants \| Share-based payment arrangement, employee
Share-Based Compensation
Shares granted \| shares		85
Vesting period		5 years
Number of anniversaries of the vesting date following the date of grant \| item		4
Restricted Stock Grants \| Share-based payment arrangement, nonemployee
Share-Based Compensation
Shares granted \| shares	2
Vesting period	1 year
Restricted Stock Grants \| Share-based Compensation Award, Tranche One \| Share-based payment arrangement, employee
Share-Based Compensation
Vesting right percentage		20.00%
Restricted Stock Grants \| Share-based Compensation Award, Tranche Two \| Share-based payment arrangement, employee
Share-Based Compensation
Vesting right percentage		20.00%
Restricted Stock Grants \| Share-based Compensation Award, Tranche Three \| Share-based payment arrangement, employee
Share-Based Compensation
Vesting right percentage		20.00%
Restricted Stock Grants \| Share-based Compensation Award Tranche Four \| Share-based payment arrangement, employee
Share-Based Compensation
Vesting right percentage		20.00%
Restricted Stock Grants \| Share-based Compensation Award Tranche Five \| Share-based payment arrangement, employee
Share-Based Compensation
Vesting right percentage		20.00%