v3.26.1
Revenue Recognition - Summary of Disaggregation of Revenue by Major Source (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Disaggregation Of Revenue [Line Items]    
Total revenue $ 221,743 $ 213,004
Tuition and Fees, Net [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue [1] 220,622 211,848
Other [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue [2] 1,121 1,156
University Group [Member] | CTU [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 120,756 116,074
University Group [Member] | AIUS [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 57,816 57,564
University Group [Member] | USAHS [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 43,008 39,183
University Group [Member] | Tuition and Fees, Net [Member] | CTU [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue [1] 120,012 115,347
University Group [Member] | Tuition and Fees, Net [Member] | AIUS [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue [1] 57,602 57,320
University Group [Member] | Tuition and Fees, Net [Member] | USAHS [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue [1] 43,008 39,181
University Group [Member] | Other [Member] | CTU [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue [2] 744 727
University Group [Member] | Other [Member] | AIUS [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue [2] 214 244
University Group [Member] | Other [Member] | USAHS [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue [2]   2
Corporate and Other [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 163 183
Corporate and Other [Member] | Other [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue [2] $ 163 $ 183
[1] Tuition and fees, net, 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.