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Investments (Schedule Of Unrealized Loss On Investments) (Details) $ in Thousands | Mar. 31, 2022 USD ($) security | Dec. 31, 2021 USD ($) security
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 389,669 | $ 236,472
Less than 12 months: Unrealized Losses | $ (20,095) | $ (3,624)
Less than 12 months: Count | security | 403 | 187
12 months or more: Fair Value | $ 52,372 | $ 35,053
12 months or more: Unrealized Losses | $ (4,537) | $ (1,042)
12 months or more: Count | security | 61 | 40
Fair Value | $ 442,041 | $ 271,525
Unrealized Losses | $ (24,632) | $ (4,666)
Count | security | 464 | 227
U.S Treasury Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 79,012 | $ 76,383
Less than 12 months: Unrealized Losses | $ (5,713) | $ (698)
Less than 12 months: Count | security | 28 | 21
Fair Value | $ 79,012 | $ 76,383
Unrealized Losses | $ (5,713) | $ (698)
Count | security | 28 | 21
Municipal [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 143,337 | $ 38,997
Less than 12 months: Unrealized Losses | $ (8,389) | $ (910)
Less than 12 months: Count | security | 158 | 44
12 months or more: Fair Value | $ 18,653 | $ 15,404
12 months or more: Unrealized Losses | $ (2,531) | $ (512)
12 months or more: Count | security | 21 | 16
Fair Value | $ 161,990 | $ 54,401
Unrealized Losses | $ (10,920) | $ (1,422)
Count | security | 179 | 60
Corporate [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 13,989 | $ 8,954
Less than 12 months: Unrealized Losses | $ (420) | $ (132)
Less than 12 months: Count | security | 27 | 17
12 months or more: Fair Value | $ 3,781 | $ 1,694
12 months or more: Unrealized Losses | $ (219) | $ (56)
12 months or more: Count | security | 7 | 3
Fair Value | $ 17,770 | $ 10,648
Unrealized Losses | $ (639) | $ (188)
Count | security | 34 | 20
Agency Mortgage-Backed & asset-backed [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 124,484 | $ 96,923
Less than 12 months: Unrealized Losses | $ (4,592) | $ (1,669)
Less than 12 months: Count | security | 165 | 94
12 months or more: Fair Value | $ 26,240 | $ 15,991
12 months or more: Unrealized Losses | $ (1,616) | $ (417)
12 months or more: Count | security | 28 | 18
Fair Value | $ 150,724 | $ 112,914
Unrealized Losses | $ (6,208) | $ (2,086)
Count | security | 193 | 112
Non-Agency mortgage & asset-backed [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 months: Fair Value | $ 28,847 | $ 15,215
Less than 12 months: Unrealized Losses | $ (981) | $ (215)
Less than 12 months: Count | security | 25 | 11
12 months or more: Fair Value | $ 3,698 | $ 1,964
12 months or more: Unrealized Losses | $ (171) | $ (57)
12 months or more: Count | security | 5 | 3
Fair Value | $ 32,545 | $ 17,179
Unrealized Losses | $ (1,152) | $ (272)
Count | security | 30 | 14

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