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Investment Securities (Tables) | 9 Months Ended
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Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract] |
Schedule of Amortized Cost and Estimated Fair Values of Investment Securities Available-For-Sale | The amortized cost and estimated fair values of investment securities are summarized below. As of September 30, 2024 and December 31, 2023, there was no allowance for credit losses on available-for-sale securities. Schedule of Amortized Cost and Estimated Fair Values of Investment Securities Available-For-Sale AVAILABLE-FOR-SALE:
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  |  |
(Dollars in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
September 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Treasury securities |  | $ | 15,815 |  |  | $ | — |  |  | $ | (2,061 | ) |  | $ | 13,754 |
Government Sponsored Enterprises |  |  | 2,500 |  |  |  | — |  |  |  | (289 | ) |  |  | 2,211 |
Mortgage-backed securities |  |  | 245,975 |  |  |  | 70 |  |  |  | (13,264 | ) |  |  | 232,781 |
Small Business Administration pools |  |  | 13,199 |  |  |  | 27 |  |  |  | (296 | ) |  |  | 12,930 |
Corporate and other securities |  |  | 8,757 |  |  |  | — |  |  |  | (880 | ) |  |  | 7,877 |
Total |  | $ | 286,246 |  |  | $ | 97 |  |  | $ | (16,790 | ) |  | $ | 269,553 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  |  |
(Dollars in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Treasury securities |  | $ | 20,791 |  |  | $ | — |  |  | $ | (2,445 | ) |  | $ | 18,346 |
Government Sponsored Enterprises |  |  | 2,500 |  |  |  | — |  |  |  | (371 | ) |  |  | 2,129 |
Mortgage-backed securities |  |  | 255,757 |  |  |  | 15 |  |  |  | (17,613 | ) |  |  | 238,159 |
Small Business Administration pools |  |  | 16,108 |  |  |  | 24 |  |  |  | (411 | ) |  |  | 15,721 |
Corporate and other securities |  |  | 8,759 |  |  |  | — |  |  |  | (888 | ) |  |  | 7,871 |
Total |  | $ | 303,915 |  |  | $ | 39 |  |  | $ | (21,728 | ) |  | $ | 282,226 |
Schedule of Amortized Cost and Estimated Fair Values of Investment Securities Held-To-Maturity | HELD-TO-MATURITY: Schedule of Amortized Cost and Estimated Fair Values of Investment Securities Held-To-Maturity
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  |  |
(Dollars in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
September 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities |  | $ | 108,094 |  |  | $ | — |  |  | $ | (5,931 | ) |  | $ | 102,163 |
State and local government |  |  | 104,149 |  |  |  | 104 |  |  |  | (1,771 | ) |  |  | 102,482 |
Allowance for credit losses on Held-to-Maturity Securities |  |  | (24 | ) |  |  | — |  |  |  | — |  |  |  | (24 | )
Total |  | $ | 212,219 |  |  | $ | 104 |  |  | $ | (7,702 | ) |  | $ | 204,621 |
(Dollars in thousands) |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities |  | $ | 112,740 |  |  |  | — |  |  |  | (8,490 | ) |  | $ | 104,250 |
State and local government |  |  | 104,460 |  |  |  | 283 |  |  |  | (3,445 | ) |  |  | 101,298 |
Allowance for credit losses on Held-to-Maturity Securities |  |  | (30 | ) |  |  | — |  |  |  | — |  |  |  | (30 | )
Total |  | $ | 217,170 |  |  |  | 283 |  |  |  | (11,935 | ) |  | $ | 205,518 |
Schedule of gross unrealized losses and fair values, aggregated by investment category and length of time that individual securities have been in a continuous loss position. | The following tables show gross unrealized losses and fair values of available-for-sale securities for which an allowance for credit losses has not been recorded, aggregated by investment category and length of time that individual securities have been in a continuous loss position, as of September 30, 2024. Schedule of gross unrealized losses and fair values, aggregated by investment category and length of time that individual securities have been in a continuous loss position.
September 30, 2024 |  | Less than 12 months |  |  | 12 months or more |  |  | Total |
Available-for-sale securities: |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(Dollars in thousands) |  | Value |  |  | Loss |  |  | Value |  |  | Loss |  |  | Value |  |  | Loss |
US Treasury Securities |  | $ | — |  |  | $ | — |  |  | $ | 13,754 |  |  | $ | 2,061 |  |  | $ | 13,754 |  |  | $ | 2,061 |
Government Sponsored Enterprise |  |  | — |  |  |  | — |  |  |  | 2,211 |  |  |  | 289 |  |  |  | 2,211 |  |  |  | 289 |
Mortgage-backed securities |  |  | 318 |  |  |  | — |  |  |  | 222,197 |  |  |  | 13,264 |  |  |  | 222,515 |  |  |  | 13,264 |
Small Business Administration pools |  |  | 700 |  |  |  | — |  |  |  | 9,104 |  |  |  | 296 |  |  |  | 9,804 |  |  |  | 296 |
Corporate and other securities |  |  | 1,495 |  |  |  | 263 |  |  |  | 6,377 |  |  |  | 617 |  |  |  | 7,872 |  |  |  | 880 |
Total |  | $ | 2,513 |  |  | $ | 263 |  |  | $ | 253,643 |  |  | $ | 16,527 |  |  | $ | 256,156 |  |  | $ | 16,790 |
The following table shows gross unrealized losses by fair values of available-for-sale securities, aggregated by investment category and length of time that individual securities have been in a continuous loss position as of December 31, 2023.
December 31, 2023 |  | Less than 12 months |  |  | 12 months or more |  |  | Total |
Available-for-sale securities: |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(Dollars in thousands) |  | Value |  |  | Loss |  |  | Value |  |  | Loss |  |  | Value |  |  | Loss |
US Treasury Securities |  | $ | — |  |  | $ | — |  |  | $ | 18,346 |  |  | $ | 2,445 |  |  | $ | 18,346 |  |  | $ | 2,445 |
Government Sponsored Enterprise |  |  | — |  |  |  | — |  |  |  | 2,129 |  |  |  | 371 |  |  |  | 2,129 |  |  |  | 371 |
Mortgage-backed securities |  |  | 8,164 |  |  |  | 423 |  |  |  | 223,844 |  |  |  | 17,190 |  |  |  | 232,008 |  |  |  | 17,613 |
Small Business Administration pools |  |  | 4,253 |  |  |  | 45 |  |  |  | 7,638 |  |  |  | 366 |  |  |  | 11,891 |  |  |  | 411 |
Corporate and other securities |  |  | 1,880 |  |  |  | 115 |  |  |  | 4,236 |  |  |  | 773 |  |  |  | 6,116 |  |  |  | 888 |
Total |  | $ | 14,297 |  |  | $ | 583 |  |  | $ | 256,193 |  |  | $ | 21,145 |  |  | $ | 270,490 |  |  | $ | 21,728 |
The following table shows a roll forward of the allowance for credit losses on held to maturity securities for the three and nine months ended September 30, 2024 and 2023. | The following table shows a roll forward of the allowance for credit losses on held to maturity securities for the three and nine months ended September 30, 2024 and 2023.
|  | Three Months |
|  | Ended |
(Dollars in thousands) |  | September 30, 2024 |
Allowance for Credit Losses on Held-to-Maturity Securities: |  |  |  |
State and local government |  |  |  |
Beginning balance, June 30, 2024 |  | $ | 27 |
Provision for credit losses |  |  | (3 | )
Ending balance, September 30, 2024 |  | $ | 24 |
|  | Three Months |
|  | Ended |
(Dollars in thousands) |  | September 30, 2023 |
Allowance for Credit Losses on Held-to-Maturity Securities: |  |  |  |
State and local government |  |  |  |
Beginning balance, June 30, 2023 |  | $ | 37 |
Provision for credit losses |  |  | (5 | )
Ending balance, September 30, 2023 |  | $ | 32 |
|  | Nine Months |
|  | Ended |
(Dollars in thousands) |  | September 30, 2024 |
Allowance for Credit Losses on Held-to-Maturity Securities: |  |  |  |
State and local government |  |  |  |
Beginning balance, December 31, 2023 |  | $ | 30 |
Provision for credit losses |  |  | (6 | )
Ending balance, September 30, 2024 |  | $ | 24 |
|  | Nine Months |
|  | Ended |
(Dollars in thousands) |  | September 30, 2023 |
Allowance for Credit Losses on Held-to-Maturity Securities: |  |  |  |
State and local government |  |  |  |
Beginning balance, December 31, 2022 |  | $ | — |
Adjustment for adoption of ASC 326 |  |  | 43 |
Provision for credit losses |  |  | (11 | )
Ending balance, September 30, 2023 |  | $ | 32 |
Schedule of Amortized Cost and Fair Value of Investment Securities |
Schedule of Amortized Cost and Fair Value of Investment Securities | The following table shows the amortized cost and fair value of investment securities at September 30, 2024, by expected maturity. Expected maturities differ from contractual maturities because borrowers may have the right to call or prepay the obligations with or without prepayment penalties. Mortgage-backed securities are included in the year corresponding with the remaining expected life. Schedule of Amortized Cost and Fair Value of Investment Securities
|  | Available-for-sale |
September 30, 2024 |  | Amortized |  |  | Fair |
(Dollars in thousands) |  | Cost |  |  | Value |
Due in one year or less |  | $ | 244 |  |  | $ | 240 |
Due after one year through five years |  |  | 12,505 |  |  |  | 12,315 |
Due after five years through ten years |  |  | 33,492 |  |  |  | 30,028 |
Due after ten years |  |  | 240,005 |  |  |  | 226,970 |
Total |  | $ | 286,246 |  |  | $ | 269,553 |
|  | Held-To-Maturity |
September 30, 2024 |  | Amortized |  |  | Fair |
(Dollars in thousands) |  | Cost |  |  | Value |
Due in one year or less |  | $ | 4,665 |  |  | $ | 4,631 |
Due after one year through five years |  |  | 56,606 |  |  |  | 55,635 |
Due after five years through ten years |  |  | 60,346 |  |  |  | 59,285 |
Due after ten years |  |  | 90,626 |  |  |  | 85,094 |
Allowance for Credit Losses on Held-to-Maturity Securities |  |  | (24 | ) |  |  | (24 | )
Total |  | $ | 212,219 |  |  | $ | 204,621 |

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