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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2025
Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule Of Changes In Balances Of Each Component Of Accumulated Other Comprehensive Income, Net Of Tax | The following table provides changes in the balances of each component of accumulated other comprehensive income, net of tax, for the three- and nine-month periods ended September 30, 2025 and 2024:
Three Months Ended September 30, 2025 (in thousands) | Unrealized Gains and Losses On Available-for-Sale Securities |  | Postretirement Benefits Plans |  | Total
Beginning balance at June 30, 2025 | $ | 717 |  |  | $ | 105 |  |  | $ | 822 |
Other comprehensive income (loss) before calculations | 319 |  |  | (3) |  |  | 316 |
Amounts reclassified from accumulated other comprehensive income | (2) |  |  | — |  |  | (2) |
Net current-period other comprehensive income (loss) | 317 |  |  | (3) |  |  | 314 |
Ending balance | $ | 1,034 |  |  | $ | 102 |  |  | $ | 1,136 |
Three Months Ended September 30, 2024 (in thousands) | Unrealized Gains and Losses On Available-for-Sale Securities |  | Postretirement Benefits Plans |  | Total
Beginning balance at June 30, 2024 | $ | 113 |  |  | $ | 55 |  |  | $ | 168 |
Other comprehensive income before calculations | 920 |  |  | — |  |  | 920 |
Amounts reclassified from accumulated other comprehensive income | — |  |  | — |  |  | — |
Net current-period other comprehensive income | 920 |  |  | — |  |  | 920 |
Ending balance | $ | 1,033 |  |  | $ | 55 |  |  | $ | 1,088 |
Nine Months Ended September 30, 2025 (in thousands) | Unrealized Gains and Losses On Available-for-Sale Securities |  | Postretirement Benefits Plans |  | Total
Beginning balance at December 31, 2024 | $ | 300 |  |  | $ | 55 |  |  | $ | 355 |
Other comprehensive income before calculations | 740 |  |  | 47 |  |  | 787 |
Amounts reclassified from accumulated other comprehensive income | (6) |  |  | — |  |  | (6) |
Net current-period other comprehensive income | 734 |  |  | 47 |  |  | 781 |
Ending balance | $ | 1,034 |  |  | $ | 102 |  |  | $ | 1,136 |
Nine Months Ended September 30, 2024 (in thousands) | Unrealized Gains and Losses On Available-for-Sale Securities |  | Postretirement Benefits Plans |  | Total
Beginning balance at December 31, 2023 | $ | 583 |  |  | $ | 55 |  |  | $ | 638 |
Other comprehensive income before calculations | 394 |  |  | — |  |  | 394 |
Amounts reclassified from accumulated other comprehensive income | 56 |  |  | — |  |  | 56 |
Net current-period other comprehensive income | 450 |  |  | — |  |  | 450 |
Ending balance | $ | 1,033 |  |  | $ | 55 |  |  | $ | 1,088 |
Schedule Of Reclassification Out Of Accumulated Other Comprehensive Income | The following table provides significant amounts reclassified out of each component of accumulated other comprehensive income for the three- and nine-month periods ended September 30, 2025 and 2024:
Three Months Ended September 30, 2025 (in thousands) |  |  |
Details about Accumulated Other Comprehensive Income Components | Amount Reclassified from Accumulated Other Comprehensive Income |  | Affected Line Item in the Consolidated Statements of Operations
Unrealized gains and losses on available-for-sale securities: |  |  |
Net realized gain on investments | $ | 1 |  |  |
Write-down of securities | — |  |  |
Total | $ | 1 |  |  | Net investment gains
Tax | 1 |  |  | Provision for income taxes
Net of Tax | $ | 2 |  |  |
Reclassifications for the period | $ | 2 |  |  |
Three Months Ended September 30, 2024 (in thousands) |  |  |
Details about Accumulated Other Comprehensive Income Components | Amount Reclassified from Accumulated Other Comprehensive Income |  | Affected Line Item in the Consolidated Statements of Operations
Unrealized gains and losses on available-for-sale securities: |  |  |
Net realized gain on investments | $ | — |  |  |
Write-down of securities | — |  |  |
Total | $ | — |  |  | Net investment gains
Tax | — |  |  | Provision for income taxes
Net of Tax | $ | — |  |  |
Reclassifications for the period | $ | — |  |  |
Nine Months Ended September 30, 2025 (in thousands) |  |  |
Details about Accumulated Other Comprehensive Income Components | Amount Reclassified from Accumulated Other Comprehensive Income |  | Affected Line Item in the Consolidated Statements of Operations
Unrealized gains and losses on available-for-sale securities: |  |  |
Net realized gain on investments | $ | 6 |  |  |
Write-down of securities | — |  |  |
Total | $ | 6 |  |  | Net investment gains
Tax | — |  |  | Provision for income taxes
Net of Tax | $ | 6 |  |  |
Reclassifications for the period | $ | 6 |  |  |
Nine Months Ended September 30, 2024 (in thousands) |  |  |
Details about Accumulated Other Comprehensive Income Components | Amount Reclassified from Accumulated Other Comprehensive Income |  | Affected Line Item in the Consolidated Statements of Operations
Unrealized gains and losses on available-for-sale securities: |  |  |
Net realized gain on investments | $ | — |  |  |
Write-down of securities | (74) |  |  |
Total | $ | (74) |  |  | Net investment gains
Tax | 18 |  |  | Provision for income taxes
Net of Tax | $ | (56) |  |  |
Reclassifications for the period | $ | (56) |  |  |

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