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Contingencies - Additional Information (Detail) | 1 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
May 31, 2017 | Sep. 30, 2017 USD ($) Student | Dec. 31, 2016 USD ($) | Jan. 13, 2012 Finding | Mar. 05, 2008 Claim
Loss Contingencies [Line Items] |  |  |  |  |
Accrual for legal fees and settlements | $ |  | $ 2,200,000 | $ 34,500,000 |  |
Number of OIG Findings |  |  |  | 3 |
Number of documentation of attendance of students enrolled in CTU's |  |  |  | 1 |
Number of calculation of returns of Title IV Program funds |  |  |  | 1 |
Surrett [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of alleged claims for equitable relief | Claim |  |  |  |  | 2
Surrett [Member] | Maximum [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of individuals in certified class | Student |  | 1,275 |  |  |
OIG Audit [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Expected audit resolve period | 30 days |  |  |  |
OIG Audit [Member] | Maximum [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Potential liability related to audit | $ |  | $ 1,000,000 |  |  |

X
- Definition The number of campuses that the Office of Inspector General has identified to have findings and have calculated those amounts in regards to a legal investigation. + References No definition available. + Details
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- Definition The number of campuses that the Office of Inspector General has identified to have findings in regards to a legal investigation. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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