v3.26.1
Investment in Securities (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Securities, Available-for-sale [Line Items]          
Debt Securities, Available-for-sale, Allowance for Credit Loss $ 44,100   $ 44,100   $ 42,300
Available-for-sale securities Realizes Losses - Write offs (6,300) $ (3,900) (9,600) $ (6,400)  
Catch-up premium amortization adjustment $ 200 (100) $ 200 900  
Proprietary reverse mortgage loans          
Securities, Available-for-sale [Line Items]          
Transfer to held-for-investment from held-for-sale - Loan UPB   $ 103,400   $ 200,700