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Restructuring Charges - Restructuring Charges by Segment (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Restructuring And Related Cost [Line Items]    
Severance and related expenses [1],[2] $ 507 $ 24,085
University Group [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 84 1,078
Corporate and Other [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 388 4,631
Subtotal [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 472 5,709
All Other Campuses [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 35 18,376
CTU [Member] | University Group [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 18 405
AIU [Member] | University Group [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses $ 66 $ 673
[1] Includes charges related to COBRA and outplacement services which are assumed to be completed by the third month following an employee’s departure.
[2] Severance charges will result in future cash payments through 2018.