v3.25.4
Business and Organization (Details)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Dec. 30, 2025
Jun. 11, 2024
USD ($)
$ / shares
shares
Mar. 31, 2025
segment
Dec. 31, 2025
payment
segment
$ / shares
shares
Dec. 31, 2024
segment
$ / shares
shares
Organization And Basis Of Presentation [Line Items]          
Number of reportable segment | segment     2 2 1
Number of operating segment | segment     2 2 1
Number of payments made on RPL mortgage loans (at least) | payment       5  
Number of payments not made on NPL mortgage loans | payment       3  
Common stock, par value per share (in dollars per share) | $ / shares       $ 0.01 $ 0.01
Issued of common stock (in shares) | shares       7,848,703 7,847,520
Stock split ratio, common stock 0.01667        
Residential RPLs          
Organization And Basis Of Presentation [Line Items]          
Number of recent payments made on RPL mortgage loans | payment       7  
Rithm Property Trust II REIT Inc.          
Organization And Basis Of Presentation [Line Items]          
Ownership percentage by parent (as a percent)       99.70% 99.90%
Former Management Agreement | Common Stock          
Organization And Basis Of Presentation [Line Items]          
Issued of common stock (in shares) | shares   500,000      
Payment for management fee | $   $ 0.6      
Rithm | Secured Debt | Line of Credit          
Organization And Basis Of Presentation [Line Items]          
Sale of stock, consideration received on transaction | $   $ 14.0      
Common stock, par value per share (in dollars per share) | $ / shares   $ 0.01      
Stock price of common stock (in dollars per share) | $ / shares   $ 29.22      
Sale of stock, average trailing closing price, period (in days)   5 days