v3.26.1
Revenue Recognition - Management Agreements (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Related Party Transaction [Line Items]        
Total revenues $ 45,526 $ 44,068 $ 154,269 $ 136,965
Managed Equity REITs and SEVN        
Related Party Transaction [Line Items]        
Total revenues 33,468 31,189 120,389 96,275
Private Capital Clients        
Related Party Transaction [Line Items]        
Total revenues 12,058 12,879 33,880 40,690
Base business management revenues | Managed Equity REITs and SEVN        
Related Party Transaction [Line Items]        
Total revenues 20,802 19,476 60,125 59,453
Base business management revenues | Private Capital Clients        
Related Party Transaction [Line Items]        
Total revenues 5,264 7,216 15,367 20,602
Property management revenues | Managed Equity REITs and SEVN        
Related Party Transaction [Line Items]        
Total revenues 10,091 9,211 29,163 27,527
Property management revenues | Private Capital Clients        
Related Party Transaction [Line Items]        
Total revenues 6,134 5,198 16,627 18,460
Construction supervision revenues | Managed Equity REITs and SEVN        
Related Party Transaction [Line Items]        
Total revenues 1,142 1,158 3,517 5,619
Construction supervision revenues | Private Capital Clients        
Related Party Transaction [Line Items]        
Total revenues 660 465 1,886 1,628
Incentive business management revenues        
Related Party Transaction [Line Items]        
Total revenues 90 229 23,715 316
Incentive business management revenues | Managed Equity REITs and SEVN        
Related Party Transaction [Line Items]        
Total revenues 90 229 23,715 316
Advisory services revenues        
Related Party Transaction [Line Items]        
Total revenues 1,343 1,115 3,869 3,360
Advisory services revenues | Managed Equity REITs and SEVN        
Related Party Transaction [Line Items]        
Total revenues $ 1,343 $ 1,115 $ 3,869 $ 3,360