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Investments (Schedule Of Unrealized Loss On Investments) (Details) $ in Thousands | Sep. 30, 2022 USD ($) security | Dec. 31, 2021 USD ($) security
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 277,785 | $ 236,472
Less than 12 months: Unrealized Losses | $ (31,605) | $ (3,624)
Less than 12 months: Count | security | 414 | 187
12 months or more: Fair Value | $ 197,570 | $ 35,053
12 months or more: Unrealized Losses | $ (33,421) | $ (1,042)
12 months or more: Count | security | 185 | 40
Fair Value | $ 475,355 | $ 271,525
Unrealized Losses | $ (65,026) | $ (4,666)
Count | security | 599 | 227
U.S Treasury Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 16,836 | $ 76,383
Less than 12 months: Unrealized Losses | $ (1,864) | $ (698)
Less than 12 months: Count | security | 11 | 21
12 months or more: Fair Value | $ 63,073 |
12 months or more: Unrealized Losses | $ (10,532) |
12 months or more: Count | security | 19 |
Fair Value | $ 79,909 | $ 76,383
Unrealized Losses | $ (12,396) | $ (698)
Count | security | 30 | 21
Municipal [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 132,404 | $ 38,997
Less than 12 months: Unrealized Losses | $ (22,568) | $ (910)
Less than 12 months: Count | security | 167 | 44
12 months or more: Fair Value | $ 34,527 | $ 15,404
12 months or more: Unrealized Losses | $ (11,565) | $ (512)
12 months or more: Count | security | 49 | 16
Fair Value | $ 166,931 | $ 54,401
Unrealized Losses | $ (34,133) | $ (1,422)
Count | security | 216 | 60
Corporate [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 15,560 | $ 8,954
Less than 12 months: Unrealized Losses | $ (1,053) | $ (132)
Less than 12 months: Count | security | 31 | 17
12 months or more: Fair Value | $ 7,412 | $ 1,694
12 months or more: Unrealized Losses | $ (636) | $ (56)
12 months or more: Count | security | 15 | 3
Fair Value | $ 22,972 | $ 10,648
Unrealized Losses | $ (1,689) | $ (188)
Count | security | 46 | 20
Agency Mortgage-Backed & asset-backed [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 67,183 | $ 96,923
Less than 12 months: Unrealized Losses | $ (3,158) | $ (1,669)
Less than 12 months: Count | security | 158 | 94
12 months or more: Fair Value | $ 80,796 | $ 15,991
12 months or more: Unrealized Losses | $ (9,397) | $ (417)
12 months or more: Count | security | 89 | 18
Fair Value | $ 147,979 | $ 112,914
Unrealized Losses | $ (12,555) | $ (2,086)
Count | security | 247 | 112
Non-Agency mortgage & asset-backed [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 45,802 | $ 15,215
Less than 12 months: Unrealized Losses | $ (2,962) | $ (215)
Less than 12 months: Count | security | 47 | 11
12 months or more: Fair Value | $ 11,762 | $ 1,964
12 months or more: Unrealized Losses | $ (1,291) | $ (57)
12 months or more: Count | security | 13 | 3
Fair Value | $ 57,564 | $ 17,179
Unrealized Losses | $ (4,253) | $ (272)
Count | security | 60 | 14

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