v3.26.3
BUSINESS SEGMENT DATA - Concentration Risk (Details) - Product Concentration Risk
9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Assets, Total | Income Properties      
Concentration Risk      
Concentration risk (as a percent) 66.00%   71.00%
Assets, Total | Commercial Loans and Investments      
Concentration Risk      
Concentration risk (as a percent) 31.00%   25.00%
Revenue Benchmark | Income Properties      
Concentration Risk      
Concentration risk (as a percent) 65.00% 82.00%  
Revenue Benchmark | Commercial Loans and Investments      
Concentration Risk      
Concentration risk (as a percent) 35.00% 17.00%