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v3.23.1

Goodwill and Other Intangible Assets (Other Intangible Assets) (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Amortized Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 543,623 | $ 544,128
Accumulated Amortization | 396,070 | 382,706
Net Carrying Amount | 147,553 | 161,422
Indefinite-Lived Intangible Assets [Line Items] |  |
Indefinite-Lived Intangible Assets | 180,038 | 178,934
Franchise Agreements [Member] |  |
Indefinite-Lived Intangible Assets [Line Items] |  |
Indefinite-Lived Intangible Assets | 85,858 | 85,858
Trade Names and Trademarks [Member] |  |
Indefinite-Lived Intangible Assets [Line Items] |  |
Indefinite-Lived Intangible Assets | 83,009 | 81,905
FCC licenses [Member] |  |
Indefinite-Lived Intangible Assets [Line Items] |  |
Indefinite-Lived Intangible Assets | 11,000 | 11,000
Licensure and Accreditation [Member] |  |
Indefinite-Lived Intangible Assets [Line Items] |  |
Indefinite-Lived Intangible Assets | 150 | 150
Other [Member] |  |
Indefinite-Lived Intangible Assets [Line Items] |  |
Indefinite-Lived Intangible Assets | 21 | 21
Student and Customer Relationships [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Gross Carrying Amount | 298,022 | 297,766
Accumulated Amortization | 236,486 | 230,429
Net Carrying Amount | $ 61,536 | $ 67,337
Student and Customer Relationships [Member] | Minimum [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 2 years | 2 years
Student and Customer Relationships [Member] | Maximum [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 10 years | 10 years
Trade Names and Trademarks [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 148,286 | $ 148,102
Accumulated Amortization | 84,833 | 81,078
Net Carrying Amount | $ 63,453 | $ 67,024
Trade Names and Trademarks [Member] | Minimum [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 2 years | 2 years
Trade Names and Trademarks [Member] | Maximum [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 15 years | 15 years
Network Affiliation Agreements [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 10 years | 10 years
Gross Carrying Amount | $ 17,400 | $ 17,400
Accumulated Amortization | 11,112 | 10,367
Net Carrying Amount | 6,288 | 7,033
Databases and Technology [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Gross Carrying Amount | 36,251 | 36,216
Accumulated Amortization | 33,714 | 32,219
Net Carrying Amount | $ 2,537 | $ 3,997
Databases and Technology [Member] | Minimum [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 3 years | 3 years
Databases and Technology [Member] | Maximum [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 6 years | 6 years
Non-compete Agreements [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 20 | $ 1,000
Accumulated Amortization | 16 | 995
Net Carrying Amount | $ 4 | $ 5
Non-compete Agreements [Member] | Minimum [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 2 years | 2 years
Non-compete Agreements [Member] | Maximum [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 5 years | 5 years
Other [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 43,644 | $ 43,644
Accumulated Amortization | 29,909 | 27,618
Net Carrying Amount | $ 13,735 | $ 16,026
Other [Member] | Minimum [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 1 year | 1 year
Other [Member] | Maximum [Member] |  |
Amortized Intangible Assets [Line Items] |  |
Useful Life | 8 years | 8 years

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