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Segment Reporting - Significant Expense Category by Reporting Segment Expenses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | $ 158,182 | $ 120,734 | $ 319,459 | $ 242,720
CTU [Member] | Academics and Student Related [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | 17,644 | 15,481 | 33,616 | 32,722
CTU [Member] | Advertising and Marketing [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | 13,513 | 12,863 | 27,036 | 26,073
CTU [Member] | Admissions [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | 12,627 | 11,807 | 25,159 | 23,985
CTU [Member] | Administrative [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [1] | 22,593 | 22,565 | 45,407 | 43,655
CTU [Member] | Bad Debt [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | 2,545 | 5,000 | 8,419 | 8,028
CTU [Member] | Depreciation and Amortization [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | 2,161 | 2,148 | 4,297 | 4,238
CTU [Member] | All Other Expenses [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [2] | 625 | 74 | 1,256 | 2,650
AIUS [Member] | Academics and Student Related [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | 10,318 | 10,172 | 20,618 | 20,122
AIUS [Member] | Advertising and Marketing [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | 9,729 | 10,269 | 20,185 | 21,298
AIUS [Member] | Admissions [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | 8,393 | 8,157 | 16,940 | 16,869
AIUS [Member] | Administrative [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [1] | 9,813 | 8,986 | 19,254 | 18,944
AIUS [Member] | Bad Debt [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | 2,635 | 1,073 | 4,259 | 4,601
AIUS [Member] | Depreciation and Amortization [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses |  | 702 | 840 | 1,421 | 1,685
AIUS [Member] | All Other Expenses [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [2] | 1,053 | $ 1,299 | 2,141 | $ 2,496
USAHS [Member] | Academics and Student Related [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [3] | 15,978 |  | 31,394 |
USAHS [Member] | Advertising and Marketing [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [3] | 3,798 |  | 7,776 |
USAHS [Member] | Admissions [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [3] | 1,330 |  | 2,717 |
USAHS [Member] | Administrative [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [1],[3] | 5,659 |  | 10,807 |
USAHS [Member] | Bad Debt [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [3] | 279 |  | 340 |
USAHS [Member] | Depreciation and Amortization [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [3] | 7,204 |  | 16,074 |
USAHS [Member] | All Other Expenses [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating expenses | [2],[3] | $ 4,143 |  | $ 8,796 |
[1] | Administrative expense includes allocations from Corporate and Other.
[2] | All other expenses primarily include occupancy and asset impairment.
[3] | USAHS includes financial information starting from the acquisition date on December 2, 2024.

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