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Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Subject to amortization |  |
Accumulated amortization | $ (135,703) | $ (78,389)
Net | 67,158 |
Total |  |
Intangible assets, gross | 462,123 | 351,400
Intangible assets, net | 326,420 | 273,011
Trade names |  |
Not Subject to amortization |  |
Indefinite-lived intangible assets | 259,262 | 185,400
Student relationships |  |
Subject to amortization |  |
Gross carrying amount | 202,861 | 166,000
Accumulated amortization | (135,703) | (78,389)
Net | $ 67,158 | $ 87,611

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