XML 79 R67.htm IDEA: XBRL DOCUMENT v3.26.1
FAIR VALUE OF FINANCIAL INSTRUMENTS - Quantitative Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Mar. 31, 2026
Sep. 30, 2025
Level 1    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 0 $ 0
Level 2    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value 0 0
Level 3    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value 4,822,116 4,599,269
Level 3 | Valuation, Market Approach    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 29,635 32,321
Level 3 | Valuation, Market Approach | Minimum | Measurement Input, Appraised Value    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Range of estimated selling cost (percentage) 3.00%  
Level 3 | Valuation, Market Approach | Maximum | Measurement Input, Appraised Value    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Range of estimated selling cost (percentage) 42.00%  
Nonrecurring | Commercial finance    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 29,635 32,321
Nonrecurring | Commercial finance | Level 1    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value 0 0
Nonrecurring | Commercial finance | Level 2    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value 0 0
Nonrecurring | Commercial finance | Level 3    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 29,635 $ 32,321