v3.26.1
Preferred Stock - Narrative (Details) - USD ($)
 3 Months Ended
Mar. 12, 2026
Mar. 31, 2026
Dec. 31, 2025
Class of Stock [Line Items]      
Carrying amount   $ 741,000,000 $ 349,000,000
Preferred stock, issued (in shares)   12,750 8,750
Noncontrolling interest   $ 295,000,000 $ 295,000,000
Preferred Class A      
Class of Stock [Line Items]      
Annual dividend rate   3.75%  
Preferred stock, issued (in shares)   300,000  
Preferred stock, liquidation preference per share (in dollars per share)   $ 1,000  
Basis spread on variable rate   1.11161%  
Noncontrolling interest   $ 295,000,000 295,000,000
Preferred Class A | Variable Rate Basis Spread, Percentage One      
Class of Stock [Line Items]      
Basis spread on variable rate   0.26161%  
Preferred Class A | Variable Rate Basis Spread, Percentage Two      
Class of Stock [Line Items]      
Basis spread on variable rate   0.85%  
Preferred Class B | FT Real Estate Securities Company, Inc.      
Class of Stock [Line Items]      
Annual dividend rate   9.50%  
Preferred stock, liquidation preference per share (in dollars per share)   $ 1,000,000  
Preferred stock issuance (in shares)   50  
Preferred Class B | FT Real Estate Securities Company, Inc. | Non Affiliates      
Class of Stock [Line Items]      
Preferred stock issuance (in shares)   47  
Series H      
Class of Stock [Line Items]      
Carrying amount $ 400,000,000 $ 392,000,000 $ 0
Annual dividend rate 6.75% 6.75%