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Goodwill and Other Intangible Assets - Schedule of Net Book Value of Intangible Assets Other Than Goodwill (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Cost | $ 62,760 | $ 32,970
Accumulated Amortization | (15,981) | (8,662)
Impairments | (1,115) |
Net Book Value of Amortizable intangible assets, net | 45,664 | 24,308
Non-amortizable intangible assets | 7,900 | 7,900
Intangible assets, net of amortization of $15,981 and $8,662 as of December 31, 2022 and 2021, respectively | 53,564 | 32,208
Accreditation Rights [Member] |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Non-amortizable intangible assets | 1,000 | 1,000
Course Curriculum |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Cost | 2,790 | 1,400
Accumulated Amortization | (1,461) | (856)
Net Book Value of Amortizable intangible assets, net | 1,329 | 544
CTU Trade Name [Member] |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Non-amortizable intangible assets | 6,900 | 6,900
Customer Relationship |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Cost | 38,090 | 22,300
Accumulated Amortization | (10,815) | (5,588)
Impairments | (111) |
Net Book Value of Amortizable intangible assets, net | 27,164 | 16,712
Developed Technology Rights |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Cost | 8,820 | 2,790
Accumulated Amortization | (1,022) | (278)
Impairments | (461) |
Net Book Value of Amortizable intangible assets, net | 7,337 | 2,512
Trade Names |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Cost | 13,060 | 6,480
Accumulated Amortization | (2,683) | (1,940)
Impairments | (543) |
Net Book Value of Amortizable intangible assets, net | $ 9,834 | $ 4,540

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