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v3.23.3

Investment Securities (Amortized Cost and Estimated Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Available-for-sale securities: |  |  |
Amortized Cost | $ 93,052 |  | $ 95,999
Gross Unrealized Gains | 30 |  | 7
Gross Unrealized Losses | 13,939 |  | 12,419
Investment securities - AFS | 79,143 |  | 83,587
Held-to-maturity securities: |  |  |
Amortized Cost | 523,177 |  | 559,455
Gross Unrealized Gains | 2 |  | 35
Gross Unrealized Losses | 77,527 |  | 64,863
Estimated Fair Value | 445,652 |  | 494,627
Allowance for Credit Losses | 126 | $ 163 | 0
U.S. Government agencies |  |  |
Available-for-sale securities: |  |  |
Amortized Cost | 23,622 |  | 21,798
Gross Unrealized Gains | 4 |  | 5
Gross Unrealized Losses | 3,995 |  | 3,625
Investment securities - AFS | 19,631 |  | 18,178
Held-to-maturity securities: |  |  |
Amortized Cost | 143,494 |  | 148,097
Gross Unrealized Gains | 0 |  | 0
Gross Unrealized Losses | 14,873 |  | 13,601
Estimated Fair Value | 128,621 |  | 134,496
Allowance for Credit Losses | 0 |  | 0
Mortgage-backed-residential |  |  |
Available-for-sale securities: |  |  |
Amortized Cost | 63,371 |  | 72,183
Gross Unrealized Gains | 0 |  | 2
Gross Unrealized Losses | 9,798 |  | 8,666
Investment securities - AFS | 53,573 |  | 63,519
Held-to-maturity securities: |  |  |
Amortized Cost | 367,712 |  | 398,884
Gross Unrealized Gains | 0 |  | 0
Gross Unrealized Losses | 61,177 |  | 50,464
Estimated Fair Value | 306,535 |  | 348,420
Allowance for Credit Losses | 0 |  | 0
Other debt securities |  |  |
Available-for-sale securities: |  |  |
Amortized Cost | 6,059 |  | 2,018
Gross Unrealized Gains | 26 |  | 0
Gross Unrealized Losses | 146 |  | 128
Investment securities - AFS | 5,939 |  | 1,890
Held-to-maturity securities: |  |  |
Amortized Cost | 10,500 |  | 11,000
Gross Unrealized Gains | 0 |  | 0
Gross Unrealized Losses | 1,409 |  | 770
Estimated Fair Value | 9,091 |  | 10,230
Allowance for Credit Losses | 126 |  | 0
States and political subdivisions |  |  |
Held-to-maturity securities: |  |  |
Amortized Cost | 1,471 |  | 1,474
Gross Unrealized Gains | 2 |  | 35
Gross Unrealized Losses | 68 |  | 28
Estimated Fair Value | 1,405 |  | 1,481
Allowance for Credit Losses | $ 0 |  | $ 0

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