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Revenue Recognition - Summary of Disaggregation of Revenue by Major Source (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue |  | $ 169,828 | $ 179,923 | $ 504,832 | $ 562,085
Tuition, Net [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue | [1] | 160,904 | 170,316 | 478,117 | 530,959
Technology and Other Fees [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 7,538 | 7,943 | 22,727 | 25,139
Tuition and Fees, Net [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 168,442 | 178,259 | 500,844 | 556,098
Other [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue | [2] | 1,386 | 1,664 | 3,988 | 5,987
University Group [Member] | CTU [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 115,742 | 120,552 | 342,139 | 364,336
University Group [Member] | AIUS [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 53,887 | 59,226 | 162,114 | 197,128
University Group [Member] | Tuition, Net [Member] | CTU [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue | [1] | 109,730 | 114,104 | 324,148 | 344,966
University Group [Member] | Tuition, Net [Member] | AIUS [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue | [1] | 51,174 | 56,212 | 153,969 | 185,993
University Group [Member] | Technology and Other Fees [Member] | CTU [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 5,107 | 5,269 | 15,445 | 16,112
University Group [Member] | Technology and Other Fees [Member] | AIUS [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 2,431 | 2,674 | 7,282 | 9,027
University Group [Member] | Tuition and Fees, Net [Member] | CTU [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 114,837 | 119,373 | 339,593 | 361,078
University Group [Member] | Tuition and Fees, Net [Member] | AIUS [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 53,605 | 58,886 | 161,251 | 195,020
University Group [Member] | Other [Member] | CTU [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue | [2] | 905 | 1,179 | 2,546 | 3,258
University Group [Member] | Other [Member] | AIUS [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue | [2] | 282 | 340 | 863 | 2,108
Corporate and Other [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 199 | 145 | 579 | 621
Corporate and Other [Member] | Other [Member] |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Total revenue | [2] | $ 199 | $ 145 | $ 579 | $ 621
[1] | Tuition includes revenue earned for all degree-granting programs as well as revenue earned for non-degree and professional development programs.
[2] | Other revenue primarily includes contract training revenue and miscellaneous non-student related revenue.

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