Securities - Schedule of Realized Gain (Loss) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Debt Securities [Abstract] | ||
| Gross realized gains from sales of AFS securities | $ 0 | $ 0 |
| Gross realized losses from sales of AFS securities | 0 | (269,638) |
| Net losses from sales of AFS securities | $ 0 | $ (269,638) |