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v3.23.1

Investments, Gross Unrealized Losses and Fair Value and Net Unrealized Gains (Losses) (Details) $ in Thousands | Mar. 31, 2023 USD ($) Security | Dec. 31, 2022 USD ($)
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Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract] |  |
Number of securities owned with fair value less than cost | Security | 340 |
Less than twelve months, Fair value | $ 52,164 | $ 181,562
Twelve months or greater, Fair value | 376,351 | 246,164
Total, Fair value | 428,515 | 427,726
Less than twelve months, Gross unrealized losses | (901) | (11,648)
Twelve months or greater, Gross unrealized losses | (37,686) | (35,889)
Total, Gross Unrealized Losses | (38,587) | (47,537)
U.S. Agency Securities [Member] |  |
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract] |  |
Less than twelve months, Fair value | 23,681 | 39,729
Twelve months or greater, Fair value | 47,167 | 30,948
Total, Fair value | 70,848 | 70,677
Less than twelve months, Gross unrealized losses | (388) | (1,892)
Twelve months or greater, Gross unrealized losses | (5,823) | (5,987)
Total, Gross Unrealized Losses | (6,211) | (7,879)
U.S. Treasury Securities [Member] |  |
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract] |  |
Less than twelve months, Fair value | 4,503 | 32,673
Twelve months or greater, Fair value | 147,207 | 115,897
Total, Fair value | 151,710 | 148,570
Less than twelve months, Gross unrealized losses | (112) | (1,337)
Twelve months or greater, Gross unrealized losses | (10,478) | (12,329)
Total, Gross Unrealized Losses | (10,590) | (13,666)
Obligations of State and Political Subdivisions [Member] |  |
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract] |  |
Less than twelve months, Fair value | 11,731 | 66,725
Twelve months or greater, Fair value | 87,625 | 35,782
Total, Fair value | 99,356 | 102,507
Less than twelve months, Gross unrealized losses | (189) | (4,887)
Twelve months or greater, Gross unrealized losses | (8,467) | (5,410)
Total, Gross Unrealized Losses | (8,656) | (10,297)
Corporate Obligations [Member] |  |
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract] |  |
Less than twelve months, Fair value | 1,241 | 2,165
Twelve months or greater, Fair value | 8,111 | 6,218
Total, Fair value | 9,352 | 8,383
Less than twelve months, Gross unrealized losses | (9) | (165)
Twelve months or greater, Gross unrealized losses | (963) | (787)
Total, Gross Unrealized Losses | (972) | (952)
Mortgage-backed Securities in Government Sponsored Entities [Member] |  |
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract] |  |
Less than twelve months, Fair value | 11,008 | 40,270
Twelve months or greater, Fair value | 86,241 | 57,319
Total, Fair value | 97,249 | 97,589
Less than twelve months, Gross unrealized losses | (203) | (3,367)
Twelve months or greater, Gross unrealized losses | (11,955) | (11,376)
Total, Gross Unrealized Losses | $ (12,158) | $ (14,743)

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