Insurance Contracts Financial Guarantee Insurance Contracts - Summary of Percentage Ceded to Reinsurers and Reinsurance Recoverable and Rating Levels (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Insurance [Abstract] | ||
| Ceded Loss And Loss Expenses Paid Not Yet Recovered | $ 88,194 | $ 71,031 |