Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (196,535)	$ (191,125)
Indefinite-Lived Intangible Assets [Line Items]
Intangible assets, gross	449,888	451,666
Accumulated Amortization	(196,535)	(191,125)
Intangible assets, net	253,353	260,541
Trade names
Indefinite-Lived Intangible Assets [Line Items]
Trade names	249,789	251,481
Student relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	200,099	200,185
Accumulated Amortization	(196,535)	(191,125)
Net	3,564	9,060
Indefinite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (196,535)	$ (191,125)