XML 97 R82.htm IDEA: XBRL DOCUMENT v3.25.1
NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - NARRATIVE (Details) - USD ($)
 3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Outstanding amount $ 1,834,200,000 $ 1,833,500,000
Line of Credit | Revolving Credit Agreement    
Debt Instrument [Line Items]    
Line of credit maximum borrowing capacity $ 250,000,000.0  
Total capitalization percentage 15.00%  
Debt covenant, required minimum debt to total capitalization ratio 35.00%  
Debt covenant, actual debt to total capitalization ratio at period end 31.30%  
Debt covenant, minimum required consolidated net worth, component one, amount $ 2,674,000,000  
Debt covenant, minimum required consolidated net worth, component two, as a percent of net equity proceeds received from issuance and sale of equity interests 25.00%  
Debt covenant, actual consolidated net worth at period end $ 3,769,600,000  
Debt covenant, required minimum consolidated net worth, amount 2,699,900,000  
Outstanding amount $ 0  
Line of Credit | Revolving Credit Agreement | Credit Spread Adjustment (SOFR)    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.10%  
Line of Credit | Revolving Credit Agreement | SOFR | Minimum    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.375%  
Line of Credit | Revolving Credit Agreement | SOFR | Maximum    
Debt Instrument [Line Items]    
Basis spread on variable rate 2.125%  
Line of Credit | Revolving Credit Agreement | Base Rate | Minimum    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.375%  
Line of Credit | Revolving Credit Agreement | Base Rate | Maximum    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.125%