Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Subject to amortization
Accumulated amortization	$ (180,007)	$ (135,703)
Total
Intangible assets, gross	456,387	462,123
Intangible assets, net	276,380	326,420
Net	21,302
Trade names
Not Subject to amortization
Indefinite-lived intangible assets	255,078	259,262
Student relationships
Subject to amortization
Gross carrying amount	201,309	202,861
Accumulated amortization	(180,007)	(135,703)
Total
Net	$ 21,302	$ 67,158