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Debt - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended
Jan. 15, 2022
Apr. 27, 2021
Mar. 31, 2022
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Debt Instrument [Line Items]            
Long-term debt       $ 545,112,000    
Payments made on mortgages payable on real estate       (13,840,000) $ 6,947,000  
Loss on extinguishment of debt     $ 600,000 (1,170,000) $ 603,000  
VIE, Primary Beneficiary | Multi-Family Apartment Properties            
Debt Instrument [Line Items]            
Payments made on mortgages payable on real estate     37,000,000      
Loss on extinguishment of debt     $ 600,000      
5.75% Senior Notes Due 2026 | Senior unsecured notes            
Debt Instrument [Line Items]            
Principal value of trust preferred securities   $ 100,000,000        
Interest rate   5.75%        
Debt instrument, percentage of principal issued   100.00%        
Proceeds from issuance of senior unsecured notes, net   $ 96,300,000        
Long-term debt       100,000,000    
Deferred loan fees, net       $ 2,400,000   $ 2,600,000
Debt issuance costs, amortization rate       6.64%    
5.75% Senior Notes Due 2026 | Senior unsecured notes | Between BB+ and B+ Credit Rating            
Debt Instrument [Line Items]            
Interest rate increase   0.50%        
5.75% Senior Notes Due 2026 | Senior unsecured notes | B+ or Below Credit Rating            
Debt Instrument [Line Items]            
Interest rate increase   0.75%        
5.75% Senior Notes Due 2026 | April 30, 2023 - April 29, 2024 | Senior unsecured notes            
Debt Instrument [Line Items]            
Debt instrument, redemption price, percentage   100.00%        
Debt instrument, redemption price, percentage multiplyer   2.875%        
5.75% Senior Notes Due 2026 | Debt Instrument, Redemption, Period One | Senior unsecured notes            
Debt Instrument [Line Items]            
Debt instrument, redemption price, percentage   100.00%        
6.25% senior convertible notes due 2022 | Convertible notes            
Debt Instrument [Line Items]            
Interest rate 6.25%          
Extinguishment of debt, amount $ 138,000,000