Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Subject to amortization
Accumulated amortization	$ (182,903)	$ (180,007)
Total
Intangible assets, gross	459,170	456,387
Intangible assets, net	276,267	276,380
Trade names
Not Subject to amortization
Indefinite-lived intangible assets	257,295	255,078
Student relationships
Subject to amortization
Gross carrying amount	201,875	201,309
Accumulated amortization	(182,903)	(180,007)
Net	$ 18,972	$ 21,302

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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