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Investments (Unrealized Gain (Loss) On Investments) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | $ 521,919 | $ 548,333
Gross unrealized gains | 138 | 34
Gross unrealized losses | (49,554) | (61,531)
Fair value | 472,503 | 486,836
U.S Treasury [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 83,494 | 101,980
Gross unrealized losses | (9,403) | (11,723)
Fair value | 74,091 | 90,257
Municipal [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 161,339 | 186,007
Gross unrealized gains |  | 14
Gross unrealized losses | (22,721) | (30,566)
Fair value | 138,618 | 155,455
Corporate [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 26,336 | 26,316
Gross unrealized losses | (3,138) | (2,077)
Fair value | 23,198 | 24,239
Agency Mortgage-Backed & Asset-Backed [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 142,565 | 163,274
Gross unrealized gains | 90 | 19
Gross unrealized losses | (10,064) | (12,358)
Fair value | 132,591 | 150,935
Non-Agency Mortgage & Asset-Backed [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 108,185 | 70,756
Gross unrealized gains | 48 | 1
Gross unrealized losses | (4,228) | (4,807)
Fair value | $ 104,005 | $ 65,950

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