Goodwill and Intangible Assets - Schedule of Other Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	$ 40,826	$ 39,861
Accumulated Amortization	21,360	9,500
Net Carrying Amount	19,466	30,361
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross/net carrying amount	41,221	54,721
Gross carrying amount, before impairment	54,721
Impairment	13,500
Total intangible assets, Gross	95,547	94,582
Total intangible assets, Impairment	13,500
Total intangible assets, Net	60,687	85,082
Trade name
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross/net carrying amount	28,498	28,498
Accreditation, licensing, and Title IV
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross/net carrying amount	12,686	26,186
Gross carrying amount, before impairment	26,186
Impairment	13,500
Affiliation agreements
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross/net carrying amount	37	37
Student roster
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	20,000	20,000
Accumulated Amortization	10,833	3,333
Net Carrying Amount	9,167	16,667
Curricula
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	14,563	14,405
Accumulated Amortization	5,500	1,961
Net Carrying Amount	9,063	12,444
Student and customer contracts and relationships
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	4,614	3,870
Accumulated Amortization	4,093	3,870
Net Carrying Amount	521	0
Lead conversions
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	1,500	1,500
Accumulated Amortization	813	250
Net Carrying Amount	687	1,250
Non-compete agreements
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	86	86
Accumulated Amortization	86	86
Net Carrying Amount	0	$ 0
Tradename
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	35
Accumulated Amortization	26
Net Carrying Amount	9
Accreditation and licenses
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	28
Accumulated Amortization	9
Net Carrying Amount	$ 19

Indefinite-Lived Intangible Assets (Excluding Goodwill), Before Impairment

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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