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Investments - Investment Securities with Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Investments [Abstract] |  |
Less than 12 months, Fair value | $ 13,247 | $ 23,461
Less than 12 months, Unrealized losses | 144 | 798
12 months or longer, Fair value | 156,644 | 163,974
12 months or longer, Unrealized losses | 18,138 | 23,803
Fair value | 169,891 | 187,435
Unrealized losses | 18,282 | 24,601
U.S. Treasury Securities and Obligations of U.S. Government Agencies and Authorities [Member] |  |
Investments [Abstract] |  |
Less than 12 months, Fair value | 739 | 3,753
Less than 12 months, Unrealized losses | 7 | 33
12 months or longer, Fair value | 14,050 | 16,136
12 months or longer, Unrealized losses | 1,602 | 2,111
Fair value | 14,789 | 19,889
Unrealized losses | 1,609 | 2,144
Loan Backed and Structured Securities [Member] |  |
Investments [Abstract] |  |
Less than 12 months, Fair value | 850 | 1,010
Less than 12 months, Unrealized losses | 4 | 5
12 months or longer, Fair value | 15,802 | 16,069
12 months or longer, Unrealized losses | 2,041 | 2,452
Fair value | 16,652 | 17,079
Unrealized losses | 2,045 | 2,457
Obligations of States and Political Subdivisions [Member] |  |
Investments [Abstract] |  |
Less than 12 months, Fair value | 406 | 0
Less than 12 months, Unrealized losses | 0 | 0
12 months or longer, Fair value | 5,966 | 5,839
12 months or longer, Unrealized losses | 1,389 | 1,517
Fair value | 6,372 | 5,839
Unrealized losses | 1,389 | 1,517
Corporate Securities [Member] |  |
Investments [Abstract] |  |
Less than 12 months, Fair value | 11,252 | 18,510
Less than 12 months, Unrealized losses | 133 | 755
12 months or longer, Fair value | 120,826 | 125,930
12 months or longer, Unrealized losses | 13,106 | 17,723
Fair value | 132,078 | 144,440
Unrealized losses | $ 13,239 | 18,478
Redeemable Preferred Stocks [Member] |  |
Investments [Abstract] |  |
Less than 12 months, Fair value |  | 188
Less than 12 months, Unrealized losses |  | 5
12 months or longer, Fair value |  | 0
12 months or longer, Unrealized losses |  | 0
Fair value |  | 188
Unrealized losses |  | $ 5

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