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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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Amount of contributions received by defined benefit plan from participant which increase benefit obligation.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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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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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Number of shares authorized for issuance under share-based payment arrangement.

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

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

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Share-Based Compensation Plans - Additional Information (Details) - USD ($) shares in Thousands, $ in Thousands		1 Months Ended		12 Months Ended
	Jun. 30, 2024	Jul. 31, 2024	Apr. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-Based Compensation
Shares available for grant				962
Share-based compensation				$ 14,225	$ 13,204	$ 12,642
Minimum eligible age to participate in the plan				21 years
University made discretionary matching contributions				$ 3,092	2,951	2,744
General and administrative
Share-Based Compensation
Share-based compensation				$ 4,205	$ 3,787	$ 3,777
Maximum
Share-Based Compensation
Shares authorized				3,000
Restricted Stock Grants
Share-Based Compensation
Shares granted				120	140	193
Shares withheld for taxes		2
Common stock in lieu of taxes		$ 324
Shares vested	5	5		151	147	134
Unrecognized share-based compensation cost				$ 30,345
Costs are expected to be recognized over a weighted average period				2 years 10 days
Restricted Stock Grants \| General and administrative
Share-Based Compensation
Share-based compensation	$ 558
Restricted Stock Grants \| Share-based payment arrangement, employee
Share-Based Compensation
Shares granted				117	136	189
Vesting period				5 years
Shares withheld for taxes				55	56	52
Common stock in lieu of taxes				$ 7,446	$ 6,331	$ 4,625
Restricted Stock Grants \| Share-based payment arrangement, nonemployee
Share-Based Compensation
Shares granted				3	4	4
Vesting period			1 year	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%