Goodwill and Intangible Assets - Schedule of Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	$ 40,826	$ 40,826
Accumulated Amortization	40,826	37,508
Net Carrying Amount	0	3,318
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross carrying amount, before impairment	54,721	54,721
Impairment	26,500	26,500
Gross/net carrying amount	28,221	28,221
Total intangible assets, Gross	95,547	95,547
Total intangible assets, Impairment	$ 26,500	$ 26,500
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]	Impairment of goodwill and intangible assets	Impairment of goodwill and intangible assets
Total intangible assets, net	$ 28,221	$ 31,539
Trade name
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross carrying amount, before impairment	28,498	28,498
Impairment	8,000	8,000
Gross/net carrying amount	20,498	20,498
Accreditation, licensing, and Title IV
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross carrying amount, before impairment	26,186	26,186
Impairment	18,500	18,500
Gross/net carrying amount	7,686	7,686
Affiliation agreements
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross carrying amount, before impairment	37	37
Gross/net carrying amount	37	37
Student contracts and relationships
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	4,614	4,614
Accumulated Amortization	4,614	4,465
Net Carrying Amount	0	149
Non-compete agreements
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	86	86
Accumulated Amortization	86	86
Net Carrying Amount	0	0
Curricula
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	14,563	14,563
Accumulated Amortization	14,563	11,400
Net Carrying Amount	0	3,163
Accreditation and licensing
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	28	28
Accumulated Amortization	28	22
Net Carrying Amount	0	6
Lead conversions
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	1,500	1,500
Accumulated Amortization	1,500	1,500
Net Carrying Amount	0	0
Student Roster
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	20,000	20,000
Accumulated Amortization	20,000	20,000
Net Carrying Amount	0	0
Trade name
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	35	35
Accumulated Amortization	35	35
Net Carrying Amount	$ 0	$ 0