Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (191,125)	$ (180,007)
Indefinite-Lived Intangible Assets [Line Items]
Intangible assets, gross	451,666	456,387
Accumulated Amortization	(191,125)	(180,007)
Intangible assets, net	260,541	276,380
Trade names
Indefinite-Lived Intangible Assets [Line Items]
Trade names	251,481	255,078
Student relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	200,185	201,309
Accumulated Amortization	(191,125)	(180,007)
Net	9,060	21,302
Indefinite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (191,125)	$ (180,007)