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Student Receivables - Additional Information (Detail) - USD ($) $ in Thousands | 9 Months Ended |
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Sep. 30, 2025 | Dec. 31, 2024
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Approximate length of current academic year | 210 days |
Student receivables, net of allowance for doubtful accounts | $ 4,868 | $ 6,195
Minimum [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Student receivables write-off period, days past due | 90 days |

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