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Debt Securities, Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
Continuous unrealized loss position of securities [Abstract] |  |  |
Impairment loss realized |  | $ 0 |
Securities in continuous unrealized loss position, fair value [Abstract] |  |  |
Less than twelve months |  | 1,160 | $ 173,165
Twelve months or longer |  | 168,327 | 0
Fair value |  | 169,487 | 173,165
Securities in continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than twelve months |  | (200) | (12,152)
Twelve months or longer |  | (7,814) | 0
Unrealized losses |  | (8,014) | (12,152)
U.S. Federal Agencies [Member] |  |  |
Securities in continuous unrealized loss position, fair value [Abstract] |  |  |
Less than twelve months |  | 0 | 1,142
Twelve months or longer |  | 135 | 0
Fair value |  | 135 | 1,142
Securities in continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than twelve months |  | 0 | (150)
Twelve months or longer |  | (3) | 0
Unrealized losses |  | (3) | (150)
Mortgage-Backed Securities [Member] |  |  |
Securities in continuous unrealized loss position, fair value [Abstract] |  |  |
Less than twelve months |  | 0 | 38,074
Twelve months or longer |  | 34,502 | 0
Fair value |  | 34,502 | 38,074
Securities in continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than twelve months |  | 0 | (4,879)
Twelve months or longer |  | (3,963) | 0
Unrealized losses |  | (3,963) | (4,879)
State and Political Subdivisions [Member] |  |  |
Securities in continuous unrealized loss position, fair value [Abstract] |  |  |
Less than twelve months | [1] | 1,160 | 28,356
Twelve months or longer | [1] | 24,696 | 0
Fair value | [1] | 25,856 | 28,356
Securities in continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than twelve months | [1] | (5) | (2,276)
Twelve months or longer | [1] | (1,507) | 0
Unrealized losses | [1] | (1,512) | (2,276)
State and Political Subdivisions [Member] | BBB+ or Better Rating [Member] |  |  |
Securities in continuous unrealized loss position, fair value [Abstract] |  |  |
Fair value |  | 22,840 | 25,020
State and Political Subdivisions [Member] | Not Rated [Member] |  |  |
Securities in continuous unrealized loss position, fair value [Abstract] |  |  |
Fair value |  | 3,020 | 3,340
U.S. Treasuries [Member] |  |  |
Securities in continuous unrealized loss position, fair value [Abstract] |  |  |
Less than twelve months |  | 0 | 100,660
Twelve months or longer |  | 104,657 | 0
Fair value |  | 104,657 | 100,660
Securities in continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than twelve months |  | 0 | (4,280)
Twelve months or longer |  | (1,373) | 0
Unrealized losses |  | (1,373) | (4,280)
Corporate Debt Securities [Member] |  |  |
Securities in continuous unrealized loss position, fair value [Abstract] |  |  |
Less than twelve months |  | 0 | 4,933
Twelve months or longer |  | 4,337 | 0
Fair value |  | 4,337 | 4,933
Securities in continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than twelve months |  | (195) | (567)
Twelve months or longer |  | (968) | 0
Unrealized losses |  | $ (1,163) | $ (567)
[1] | Of our state and political subdivision securities, $22.84 million and $25.02 million are rated BBB+ or better and $3.02 million and $3.34 million are not rated as of December 31, 2023 and December 31, 2022, respectively.

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