Securities Fair Value Option Securities (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Fair Value Option Securities [Line Items] | ||
| Fair value option securities, Fair Value | $ 178,098 | $ 102,096 |
| Fair value option securities, Net Unrealized Gain (Loss) | (2,630) | (556) |
| Residential agency mortgage-backed securities [Member] | ||
| Fair Value Option Securities [Line Items] | ||
| Fair value option securities, Fair Value | 165,706 | 102,096 |
| Fair value option securities, Net Unrealized Gain (Loss) | (2,513) | (556) |
| Commercial agency mortgage-backed securities [Member] | ||
| Fair Value Option Securities [Line Items] | ||
| Fair value option securities, Fair Value | 12,392 | 0 |
| Fair value option securities, Net Unrealized Gain (Loss) | $ (117) | $ 0 |