Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (200,002)	$ (200,002)
Indefinite-Lived Intangible Assets [Line Items]
Intangible assets, gross	448,857	451,625
Accumulated Amortization	(200,002)	(200,002)
Intangible assets, net	248,855	251,623
Trade names
Indefinite-Lived Intangible Assets [Line Items]
Trade names	248,855	251,623
Student relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	200,002	200,002
Accumulated Amortization	(200,002)	(200,002)
Net	0	0
Indefinite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (200,002)	$ (200,002)