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Investment Securities (Tables) | 12 Months Ended
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Dec. 31, 2022
Schedule of Investments [Abstract] |
Schedule of Available-for-sale Securities | A summary of investment securities available-for-sale and securities held-to-maturity is as follows: Schedule of Available-for-sale Securities
(Dollars in thousands) |  | As of December 31, 2022 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | unrealized |  |  | unrealized |  |  | Estimated |
|  | cost |  |  | gains |  |  | losses |  |  | fair value |
Available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. treasury securities |  | $ | 130,684 |  |  | $ | - |  |  | $ | (7,573 | ) |  | $ | 123,111 |
U. S. federal agency obligations |  |  | 2,002 |  |  |  | - |  |  |  | (14 | ) |  |  | 1,988 |
Municipal obligations, tax exempt |  |  | 130,848 |  |  |  | 59 |  |  |  | (3,645 | ) |  |  | 127,262 |
Municipal obligations, taxable |  |  | 73,520 |  |  |  | 14 |  |  |  | (6,290 | ) |  |  | 67,244 |
Agency mortgage-backed securities |  |  | 185,451 |  |  |  | 172 |  |  |  | (15,922 | ) |  |  | 169,701 |
Total available-for-sale |  | $ | 522,505 |  |  | $ | 245 |  |  | $ | (33,444 | ) |  | $ | 489,306 |
Held-to-maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other |  | $ | 3,524 |  |  | $ | 5 |  |  | $ | (77 | ) |  | $ | 3,452 |
Total held-to-maturity |  | $ | 3,524 |  |  | $ | 5 |  |  | $ | (77 | ) |  | $ | 3,452 |
|  | As of December 31, 2021 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | unrealized |  |  | unrealized |  |  | Estimated |
|  | cost |  |  | gains |  |  | losses |  |  | fair value |
Available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |
U. S. treasury securities |  | $ | 43,098 |  |  | $ | - |  |  | $ | (423 | ) |  | $ | 42,675 |
U. S. federal agency obligations |  |  | 17,165 |  |  |  | 67 |  |  |  | (37 | ) |  |  | 17,195 |
Municipal obligations, tax exempt |  |  | 133,558 |  |  |  | 4,488 |  |  |  | (62 | ) |  |  | 137,984 |
Municipal obligations, taxable |  |  | 39,011 |  |  |  | 1,171 |  |  |  | (136 | ) |  |  | 40,046 |
Agency mortgage-backed securities |  |  | 142,747 |  |  |  | 1,339 |  |  |  | (1,269 | ) |  |  | 142,817 |
Total |  | $ | 375,579 |  |  | $ | 7,065 |  |  | $ | (1,927 | ) |  | $ | 380,717 |
Schedule of Available for Sale Securities Continuous Unrealized Loss Position Fair Value | Securities which were temporarily impaired are shown below, along with the length of time in a continuous unrealized loss position. Schedule of Available for Sale Securities Continuous Unrealized Loss Position Fair Value
(Dollars in thousands) |  |  |  |  | As of December 31, 2022 |
|  |  |  |  | Less than 12 months |  |  | 12 months or longer |  |  | Total |
|  | No. of |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
Available-for-sale |  | securities |  |  | value |  |  | losses |  |  | value |  |  | losses |  |  | value |  |  | losses |
U. S. treasury securities |  |  | 67 |  |  | $ | 85,988 |  |  | $ | (4,591 | ) |  | $ | 37,123 |  |  | $ | (2,982 | ) |  | $ | 123,111 |  |  | $ | (7,573 | )
U. S. federal agency obligations |  |  | 1 |  |  |  | 1,988 |  |  |  | (14 | ) |  |  | - |  |  |  | - |  |  |  | 1,988 |  |  |  | (14 | )
Municipal obligations, tax exempt |  |  | 274 |  |  |  | 107,262 |  |  |  | (3,020 | ) |  |  | 8,495 |  |  |  | (625 | ) |  |  | 115,757 |  |  |  | (3,645 | )
Municipal obligations, taxable |  |  | 108 |  |  |  | 54,746 |  |  |  | (5,006 | ) |  |  | 7,571 |  |  |  | (1,284 | ) |  |  | 62,317 |  |  |  | (6,290 | )
Agency mortgage-backed securities |  |  | 100 |  |  |  | 78,971 |  |  |  | (4,550 | ) |  |  | 79,882 |  |  |  | (11,372 | ) |  |  | 158,853 |  |  |  | (15,922 | )
Total available-for-sale |  |  | 550 |  |  | $ | 328,955 |  |  | $ | (17,181 | ) |  | $ | 133,071 |  |  | $ | (16,263 | ) |  | $ | 462,026 |  |  | $ | (33,444 | )
Other |  |  | 6 |  |  | $ | 3,009 |  |  | $ | (77 | ) |  | $ | - |  |  | $ | - |  |  | $ | 3,009 |  |  | $ | (77 | )
Total |  |  | 6 |  |  | $ | 3,009 |  |  | $ | (77 | ) |  | $ | - |  |  | $ | - |  |  | $ | 3,009 |  |  | $ | (77 | )
|  |  |  |  | As of December 31, 2021 |
|  |  |  |  | Less than 12 months |  |  | 12 months or longer |  |  | Total |
|  | No. of |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | securities |  |  | value |  |  | losses |  |  | value |  |  | losses |  |  | value |  |  | losses |
U. S. treasury securities |  |  | 28 |  |  | $ | 42,675 |  |  | $ | (423 | ) |  | $ | - |  |  | $ | - |  |  | $ | 42,675 |  |  | $ | (423 | )
U. S. federal agency obligations |  |  | 6 |  |  | $ | 12,073 |  |  | $ | (30 | ) |  | $ | 3,048 |  |  | $ | (7 | ) |  |  | 15,121 |  |  |  | (37 | )
Municipal obligations, tax exempt |  |  | 37 |  |  |  | 12,411 |  |  |  | (46 | ) |  |  | 1,879 |  |  |  | (16 | ) |  |  | 14,290 |  |  |  | (62 | )
Municipal obligations, taxable |  |  | 13 |  |  |  | 8,802 |  |  |  | (136 | ) |  |  | - |  |  |  | - |  |  |  | 8,802 |  |  |  | (136 | )
Agency mortgage-backed securities |  |  | 28 |  |  |  | 95,028 |  |  |  | (1,269 | ) |  |  | - |  |  |  | - |  |  |  | 95,028 |  |  |  | (1,269 | )
Total |  |  | 112 |  |  | $ | 170,989 |  |  | $ | (1,904 | ) |  | $ | 4,927 |  |  | $ | (23 | ) |  | $ | 175,916 |  |  | $ | (1,927 | )
Schedule of Investments Classified by Contractual Maturity Date | Schedule of Investments Classified by Contractual Maturity Date
|  | Amortized |  |  | Estimated |
(Dollars in thousands) |  | cost |  |  | fair value |
Due in less than one year |  | $ | 22,482 |  |  | $ | 22,142 |
Due after one year but within five years |  |  | 300,282 |  |  |  | 280,685 |
Due after five years but within ten years |  |  | 147,965 |  |  |  | 138,189 |
Due after ten years |  |  | 51,776 |  |  |  | 48,290 |
Total available-for-sale |  | $ | 522,505 |  |  | $ | 489,306 |
Held-to-maturity |  |  |  |  |  |  |  |
Due after five years but within ten years |  | $ | 3,524 |  |  | $ | 3,452 |
Total held-to-maturity |  | $ | 3,524 |  |  | $ | 3,452 |
Schedule of Realized Gain (loss) | The Company has not sold any investment securities subsequent to December 31, 2022 and the date of this filing. Sales proceeds and gross realized gains and losses on sales of available-for-sale securities are as follows: Schedule of Realized Gain (loss)
(Dollars in thousands) |  | Years ended December 31, |
Available-for-sale |  | 2022 |  |  | 2021 |  |  | 2020 |
Sales proceeds |  | $ | 52,597 |  |  | $ | 16,623 |  |  | $ | 61,163 |
Realized gains |  | $ | - |  |  | $ | 1,138 |  |  | $ | 2,449 |
Realized losses |  |  | (1,103 | ) |  |  | - |  |  |  | (1 | )
Net realized (losses) gains |  | $ | (1,103 | ) |  | $ | 1,138 |  |  | $ | 2,448 |

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- Definition Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27357-111563 + Details
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