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Investments (Schedule Of Unrealized Loss On Investments) (Details) $ in Thousands | Sep. 30, 2024 USD ($) security | Dec. 31, 2023 USD ($) security | Sep. 30, 2023 USD ($)
--- | --- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |  |
Less than 12 months: Fair Value | $ 12,070 | $ 55,638 |
Less than 12 months: Unrealized Losses | $ (43) | $ (913) |
Less than 12 months: Count | security | 9 | 43 |
12 months or more: Fair Value | $ 418,837 | $ 402,548 |
12 months or more: Unrealized Losses | $ (37,309) | $ (48,641) |
12 months or more: Count | security | 525 | 521 |
Fair Value | $ 430,907 | $ 458,186 |
Unrealized Losses | $ (37,352) | $ (49,554) | $ (12,200)
Count | security | 534 | 564 |
U.S Treasury [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
12 months or more: Fair Value | $ 75,688 | $ 74,091 |
12 months or more: Unrealized Losses | $ (7,271) | $ (9,403) |
12 months or more: Count | security | 28 | 28 |
Fair Value | $ 75,688 | $ 74,091 |
Unrealized Losses | $ (7,271) | $ (9,403) |
Count | security | 28 | 28 |
Municipal [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
12 months or more: Fair Value | $ 139,722 | $ 138,618 |
12 months or more: Unrealized Losses | $ (18,411) | $ (22,721) |
12 months or more: Count | security | 166 | 168 |
Fair Value | $ 139,722 | $ 138,618 |
Unrealized Losses | $ (18,411) | $ (22,721) |
Count | security | 166 | 168 |
Corporate [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Less than 12 months: Fair Value |  | $ 1,483 |
Less than 12 months: Unrealized Losses |  | $ (167) |
Less than 12 months: Count | security |  | 5 |
12 months or more: Fair Value | $ 23,335 | $ 21,715 |
12 months or more: Unrealized Losses | $ (2,031) | $ (2,971) |
12 months or more: Count | security | 50 | 46 |
Fair Value | $ 23,335 | $ 23,198 |
Unrealized Losses | $ (2,031) | $ (3,138) |
Count | security | 50 | 51 |
Agency Mortgage & Asset-Backed [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Less than 12 months: Fair Value | $ 1,562 | $ 6,227 |
Less than 12 months: Unrealized Losses | $ (2) | $ (186) |
Less than 12 months: Count | security | 4 | 19 |
12 months or more: Fair Value | $ 107,560 | $ 118,053 |
12 months or more: Unrealized Losses | $ (7,310) | $ (9,878) |
12 months or more: Count | security | 223 | 223 |
Fair Value | $ 109,122 | $ 124,280 |
Unrealized Losses | $ (7,312) | $ (10,064) |
Count | security | 227 | 242 |
Non-Agency Mortgage & Asset-Backed [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Less than 12 months: Fair Value | $ 10,508 | $ 47,928 |
Less than 12 months: Unrealized Losses | $ (41) | $ (560) |
Less than 12 months: Count | security | 5 | 19 |
12 months or more: Fair Value | $ 72,532 | $ 50,071 |
12 months or more: Unrealized Losses | $ (2,286) | $ (3,668) |
12 months or more: Count | security | 58 | 56 |
Fair Value | $ 83,040 | $ 97,999 |
Unrealized Losses | $ (2,327) | $ (4,228) |
Count | security | 63 | 75 |

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