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Other Assets - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Schedule of Investments [Line Items]          
Investments in debt securities, net $ 86,617   $ 86,617   $ 86,980
Unamortized discount $ 22,039   $ 22,039    
Initial contractual term 12 months   12 months    
Variable lease income $ 41,301 $ 35,834 $ 113,875 $ 102,960  
Financing costs 11,846   11,846    
Debt issuance costs, unamortized balance 3,702   3,702   5,850
Mortgage Loans          
Schedule of Investments [Line Items]          
Unamortized discount 1,320   1,320    
IH1 2017-1 | Mortgage Loans          
Schedule of Investments [Line Items]          
Unamortized discount 1,320   1,320   $ 1,584
Residential Mortgage Backed Securities          
Schedule of Investments [Line Items]          
Investments in debt securities, net $ 86,617   $ 86,617    
Residential Mortgage Backed Securities | Minimum          
Schedule of Investments [Line Items]          
Retained certificates, expected maturity term     3 months    
Residential Mortgage Backed Securities | Maximum          
Schedule of Investments [Line Items]          
Retained certificates, expected maturity term     4 years