v3.26.3
Debt - Narrative (Details)
3 Months Ended 9 Months Ended
Aug. 14, 2026
USD ($)
Feb. 02, 2026
USD ($)
Jan. 13, 2026
USD ($)
Aug. 22, 2025
USD ($)
Jul. 08, 2025
USD ($)
Jan. 14, 2025
USD ($)
Jun. 28, 2024
USD ($)
Apr. 27, 2021
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
multi-familyApartmentCommunity
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]                          
Proceeds from issuance of senior unsecured notes, net                     $ 173,130,000 $ 193,505,000  
Mortgages payable on real estate                 $ 758,776,000   758,776,000    
Loss on extinguishment of debt                 0 $ 448,000 $ 985,000 448,000  
Spread on variable interest rate                     0.26161%    
Number of multi-family apartments sold during period | multi-familyApartmentCommunity                     1    
NYM Preferred Trust I And II                          
Debt Instrument [Line Items]                          
Debt instrument, variable interest rate, type [Extensible Enumeration]                     CME Term, SOFR    
Spread on variable interest rate                     0.26161%    
Senior unsecured notes                          
Debt Instrument [Line Items]                          
Debt face amount                 437,500,000   $ 437,500,000   $ 357,500,000
Debt instrument, redemption price, percentage                     100.00%    
Unrealized net gains (losses) on debt                 2,900,000 $ (5,200,000) $ 6,200,000 $ 200,000  
9.600% Senior Notes due 2031 | Senior unsecured notes                          
Debt Instrument [Line Items]                          
Debt face amount $ 90,000,000.0               90,000,000   90,000,000   0
Interest rate 9.60%                        
Proceeds from issuance of senior unsecured notes, net $ 86,600,000                        
9.250% Senior Notes due 2031 | Senior unsecured notes                          
Debt Instrument [Line Items]                          
Debt face amount     $ 90,000,000.0           90,000,000   90,000,000   0
Interest rate     9.25%                    
Proceeds from issuance of senior unsecured notes, net     $ 86,600,000                    
9.875% Senior Notes due 2030 | Senior unsecured notes                          
Debt Instrument [Line Items]                          
Debt face amount       $ 25,000,000.0 $ 90,000,000.0       115,000,000   115,000,000   115,000,000
Interest rate         9.875%                
Proceeds from issuance of senior unsecured notes, net       $ 24,800,000 $ 86,600,000                
9.125% Senior Notes due 2030 | Senior unsecured notes                          
Debt Instrument [Line Items]                          
Debt face amount           $ 82,500,000     82,500,000   82,500,000   82,500,000
Interest rate           9.125%              
Proceeds from issuance of senior unsecured notes, net           $ 79,300,000              
2029 Senior Notes at fair value | Senior unsecured notes                          
Debt Instrument [Line Items]                          
Debt face amount             $ 60,000,000.0   60,000,000   60,000,000   60,000,000
Interest rate             9.125%            
Proceeds from issuance of senior unsecured notes, net             $ 57,500,000            
2026 Senior Notes at amortized cost, net | Senior unsecured notes                          
Debt Instrument [Line Items]                          
Debt face amount               $ 100,000,000.0 $ 0   0   $ 100,000,000
Interest rate               5.75%         5.75%
Proceeds from issuance of senior unsecured notes, net               $ 96,300,000          
Debt instrument, percentage of principal issued               100.00%          
Debt instrument, redemption price, percentage   100.00%                      
Mortgages payable on real estate                         $ 100,000,000.0
Deferred loan fees, net                         $ 400,000
Debt issuance costs, amortization rate                         6.73%
Debt principal repaid   $ 100,000,000.0                      
Repayments of debt   $ 101,500,000                      
Loss on extinguishment of debt                     $ 300,000