Provision for Discounting and Credit Losses (Reconciliation Of Allowance For Credit Losses) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Provision for Credit Losses [Line Items] | ||
| Allowance for credit losses, Beginning balance | $ 654 | $ 861 |
| Change in estimates during the period | 4,758 | (207) |
| Allowance for credit losses, Ending balance | 5,412 | 654 |
| Trade receivables [Member] | ||
| Provision for Credit Losses [Line Items] | ||
| Change in estimates during the period | 3,858 | (88) |
| Other assets [Member] | ||
| Provision for Credit Losses [Line Items] | ||
| Change in estimates during the period | 900 | (119) |
| Trade receivables [Member] | ||
| Provision for Credit Losses [Line Items] | ||
| Allowance for credit losses, Beginning balance | 179 | 267 |
| Allowance for credit losses, Ending balance | 4,037 | 179 |
| Other assets [Member] | ||
| Provision for Credit Losses [Line Items] | ||
| Allowance for credit losses, Beginning balance | 475 | 594 |
| Allowance for credit losses, Ending balance | $ 1,375 | $ 475 |