Investment Securities - Schedule of Realized Gain (Loss) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Investments, Debt and Equity Securities [Abstract] | ||||
| Amortized cost of securities sold | $ 2,294,702 | $ 0 | $ 2,294,702 | $ 0 |
| Gross realized gains | 1,893 | 0 | 1,893 | 0 |
| Gross realized losses | (253,193) | 0 | (253,193) | 0 |
| Net loss on sale of securities | $ (251,300) | $ 0 | $ (251,300) | $ 0 |