v3.26.1
Investment in Securities (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Securities, Available-for-sale [Line Items]      
Debt Securities, Available-for-sale, Allowance for Credit Loss $ 43,100   $ 42,300
Available-for-sale securities Realizes Losses - Write offs (3,200) $ (2,500)  
Catch-up premium amortization adjustment $ 21 900  
Proprietary reverse mortgage loans      
Securities, Available-for-sale [Line Items]      
Transfer to held-for-investment from held-for-sale - Loan UPB   $ 97,400