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Summary of Significant Accounting Policies - Schedule of Mortgage Loan-Related VIEs (Details)
$ in Thousands
Sep. 30, 2024
USD ($)
entity
Dec. 31, 2023
USD ($)
entity
Variable Interest Entity [Line Items]    
Aggregate carrying value $ 336,210 $ 223,854
Mortgage Receivable | Variable Interest Entity Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Number of VIEs | entity 46 21
Aggregate carrying value $ 311,090 $ 219,449