v3.22.4
Goodwill - Narrative (Details)
$ in Thousands
3 Months Ended
Dec. 01, 2022
USD ($)
segment
Dec. 31, 2022
USD ($)
segment
Sep. 30, 2022
USD ($)
Nov. 01, 2021
USD ($)
Sep. 30, 2021
USD ($)
Dec. 31, 1998
USD ($)
Finite-Lived Intangible Assets [Line Items]            
Goodwill   $ 26,992 $ 16,859   $ 16,859  
Number of reportable segments | segment 2 2        
Concorde Career Colleges Inc            
Finite-Lived Intangible Assets [Line Items]            
Goodwill $ 10,133 $ 10,100        
MIAT College of Technology            
Finite-Lived Intangible Assets [Line Items]            
Goodwill       $ 8,637    
Motorcycle And Marine Education Business            
Finite-Lived Intangible Assets [Line Items]            
Goodwill           $ 8,200