Leases (Details) - USD ($) $ in Millions |
Mar. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Leases: | ||
| ROU lease assets | $ 3.0 | $ 3.2 |
| Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets | Other Assets |
| Operating lease liability | $ 3.3 | $ 3.5 |
| Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] | Accrued Liabilities and Other Liabilities | Accrued Liabilities and Other Liabilities |