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