Equity Securities - Changes in carrying amount (Details) - FHLMC Preferred Stock - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
|
| Debt and Equity Securities, FV-NI [Line Items] | ||
| Net gains and (losses) recognized during the period on equity securities | $ (114) | $ 83 |
| Unrealized gains and (losses) recognized during the period on equity securities still held at the reporting date | $ (114) | $ 83 |