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Goodwill and Intangible Assets - Narrative (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |  |  |
Impairment of goodwill |  |  | $ 0 | $ 0 | $ 0
Amortization of intangible assets |  |  | 0 | 11,457,000 | 14,350,000
Student Relationships |  |  |  |  |
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |  |  |
Finite-lived intangible assets | $ 200,000,000.0 |  | $ 200,000,000.0 |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life |  |  | 3 years |  |
Amortization of intangible assets |  |  |  | 8,900,000 | 11,100,000
Trade Names |  |  |  |  |
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |  |  |
Impairments |  | $ 800,000 | $ 800,000 | $ 0 | $ 0
Indefinite-Lived Intangible Assets Excluding Trade Names |  |  |  |  |
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |  |  |
Impairments | $ 0 |  |  |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483154/926-20-50-5 + Details
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