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Securities - Unrealized Loss Positions (Details) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 USD ($) security | Dec. 31, 2023 USD ($)
Fair value |  |
Less Than 12 Months, Fair Value | $ 29,731,000 | $ 13,573,000
12 Months or More, Fair Value | 301,852,000 | 365,904,000
Total Fair Value | 331,583,000 | 379,477,000
Unrealized Loss |  |
Less Than 12 Months, Unrealized Loss | 592,000 | 504,000
12 Months or More, Unrealized Loss | 33,075,000 | 33,609,000
Total Unrealized Loss | $ 33,667,000 | 34,113,000
Other information |  |
Number of positions | security | 513 |
Aggregate fair value | $ 331,583,000 | 379,477,000
Other than temporary impairment | 0 |
U.S. Treasury securities |  |
Fair value |  |
12 Months or More, Fair Value | 10,469,000 | 45,103,000
Total Fair Value | 10,469,000 | 45,103,000
Unrealized Loss |  |
12 Months or More, Unrealized Loss | 501,000 | 780,000
Total Unrealized Loss | 501,000 | 780,000
Other information |  |
Aggregate fair value | 10,469,000 | 45,103,000
U.S. government agencies and corporations |  |
Fair value |  |
12 Months or More, Fair Value | 68,124,000 | 87,094,000
Total Fair Value | 68,124,000 | 87,094,000
Unrealized Loss |  |
12 Months or More, Unrealized Loss | 8,938,000 | 9,313,000
Total Unrealized Loss | 8,938,000 | 9,313,000
Other information |  |
Aggregate fair value | 68,124,000 | 87,094,000
Mortgage-backed securities |  |
Fair value |  |
Less Than 12 Months, Fair Value | 4,700,000 | 5,528,000
12 Months or More, Fair Value | 140,346,000 | 150,023,000
Total Fair Value | 145,046,000 | 155,551,000
Unrealized Loss |  |
Less Than 12 Months, Unrealized Loss | 80,000 | 68,000
12 Months or More, Unrealized Loss | 16,066,000 | 16,155,000
Total Unrealized Loss | 16,146,000 | 16,223,000
Other information |  |
Aggregate fair value | 145,046,000 | 155,551,000
Obligations of states and political subdivisions |  |
Fair value |  |
Less Than 12 Months, Fair Value | 22,328,000 | 4,659,000
12 Months or More, Fair Value | 64,748,000 | 65,630,000
Total Fair Value | 87,076,000 | 70,289,000
Unrealized Loss |  |
Less Than 12 Months, Unrealized Loss | 215,000 | 72,000
12 Months or More, Unrealized Loss | 4,570,000 | 3,972,000
Total Unrealized Loss | 4,785,000 | 4,044,000
Other information |  |
Aggregate fair value | 87,076,000 | 70,289,000
Corporate and other debt securities |  |
Fair value |  |
Less Than 12 Months, Fair Value | 2,703,000 | 3,386,000
12 Months or More, Fair Value | 18,165,000 | 18,054,000
Total Fair Value | 20,868,000 | 21,440,000
Unrealized Loss |  |
Less Than 12 Months, Unrealized Loss | 297,000 | 364,000
12 Months or More, Unrealized Loss | 3,000,000 | 3,389,000
Total Unrealized Loss | 3,297,000 | 3,753,000
Other information |  |
Aggregate fair value | $ 20,868,000 | $ 21,440,000

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