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Schedule of Participating Mortgage Loans (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Schedule of Investments [Line Items]    
Total $ 663,274 $ 688,109
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]    
Schedule of Investments [Line Items]    
Total 635,359 659,488
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member]    
Schedule of Investments [Line Items]    
Total $ 27,915 $ 28,621