Investment Securities - Unrealized Gain (Loss) on Investments (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] | ||||
| Unrealized gain (loss) in the period on investment securities held at the end of the period | $ 28,064 | $ 16,887 | $ 21,920 | $ 19,979 |