v3.26.3
Business Segments (Narrative) (Details)
$ in Thousands
9 Months Ended
Mar. 22, 2018
USD ($)
Sep. 30, 2026
USD ($)
segment
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Business Segments [Line Items]        
Number of reportable segments | segment   7    
Accounts Receivable, Current   $ 537,651   $ 576,754
Proceeds from repayment of related party loan   20,000 $ 0  
Purdue University Global [Member] | Education Division [Member] | Higher Education [Member]        
Business Segments [Line Items]        
Accounts Receivable   40,300    
Kaplan University Transaction [Member] | Purdue University Global [Member] | Education Division [Member] | Higher Education [Member]        
Business Segments [Line Items]        
Advance Related To Kaplan University Transaction $ 20,000      
Proceeds from repayment of related party loan   $ 20,000