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, 2025	Dec. 31, 2024
Intangible Assets Net Excluding Goodwill [Line Items]
Cost	$ 115,860	$ 115,860
Accumulated Amortization	(44,786)	(27,725)
Accumulated Impairments	$ (10,829)	$ (10,829)
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Asset Impairment Charges	Asset Impairment Charges
Net Book Value of Amortizable intangible assets, net	$ 60,245	$ 77,306
Non-amortizable intangible assets	17,700	17,700
Intangible assets, net of amortization of $44,786 and $27,725 as of December 31, 2025 and 2024, respectively	77,945	95,006
Accreditation Rights [Member]
Intangible Assets Net Excluding Goodwill [Line Items]
Cost	25,000	25,000
Accumulated Amortization	(2,257)	(174)
Net Book Value of Amortizable intangible assets, net	22,743	24,826
Non-amortizable intangible assets	1,000	1,000
Course Curriculum
Intangible Assets Net Excluding Goodwill [Line Items]
Cost	18,290	18,290
Accumulated Amortization	(6,571)	(2,418)
Net Book Value of Amortizable intangible assets, net	11,719	15,872
Customer Relationship
Intangible Assets Net Excluding Goodwill [Line Items]
Cost	52,090	52,090
Accumulated Amortization	(29,051)	(19,068)
Accumulated Impairments	(111)	(111)
Net Book Value of Amortizable intangible assets, net	22,928	32,911
Developed Technology Rights
Intangible Assets Net Excluding Goodwill [Line Items]
Cost	8,820	8,820
Accumulated Amortization	(3,307)	(2,980)
Accumulated Impairments	(5,513)	(5,513)
Net Book Value of Amortizable intangible assets, net		327
Trade Names
Intangible Assets Net Excluding Goodwill [Line Items]
Cost	11,660	11,660
Accumulated Amortization	(3,600)	(3,085)
Accumulated Impairments	(5,205)	(5,205)
Net Book Value of Amortizable intangible assets, net	2,855	3,370
Non-amortizable intangible assets	$ 16,700	$ 16,700