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Derivative Instruments (Details) - Not Designated as Hedging Instrument - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Interest rate derivatives - caps      
Derivative [Line Items]      
Notional amount (in thousands) $ 856,680   $ 960,500
Aggregate principal balance on corresponding mortgage loans (in thousands) $ 863,680   $ 959,000
Interest rate derivatives - caps | Minimum      
Derivative [Line Items]      
Strike rate (as a percent) 2.00%   2.00%
Interest rate derivatives - caps | Maximum      
Derivative [Line Items]      
Strike rate (as a percent) 5.25%   4.50%
Interest rate derivatives - caps      
Derivative [Line Items]      
Notional amount (in thousands) $ 576,180 $ 676,500  
Total cost of interest rate caps (in thousands) $ 3,981 $ 2,092  
Interest rate derivatives - caps | Minimum      
Derivative [Line Items]      
Strike rate (as a percent) 3.50% 3.50%  
Interest rate derivatives - caps | Maximum      
Derivative [Line Items]      
Strike rate (as a percent) 5.25% 4.00%