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Investments (Tables) | 6 Months Ended
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Jun. 30, 2022
Schedule of Investments [Abstract] |
Schedule of Available-for-sale Securities | A summary of investment securities available-for-sale is as follows: Schedule of Available-for-sale Securities
|  | As of June 30, 2022 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | unrealized |  |  | unrealized |  |  | Estimated |
(Dollars in thousands) |  | cost |  |  | gains |  |  | losses |  |  | fair value |
U. S. treasury securities |  | $ | 141,227 |  |  | $ | - |  |  | $ | (5,768 | ) |  | $ | 135,459 |
U. S. federal agency obligations |  |  | 15,072 |  |  |  | - |  |  |  | (141 | ) |  |  | 14,931 |
Municipal obligations, tax exempt |  |  | 138,153 |  |  |  | 127 |  |  |  | (3,286 | ) |  |  | 134,994 |
Municipal obligations, taxable |  |  | 52,569 |  |  |  | 18 |  |  |  | (3,231 | ) |  |  | 49,356 |
Agency mortgage-backed securities |  |  | 163,660 |  |  |  | 31 |  |  |  | (11,798 | ) |  |  | 151,893 |
Total available-for-sale |  | $ | 510,681 |  |  | $ | 176 |  |  | $ | (24,224 | ) |  | $ | 486,633 |
|  |  | As of December 31, 2021
|  |  |  |  |  |  | Gross |  |  |  | Gross |  |  |  |  |
|  |  | Amortized |  |  |  | unrealized |  |  |  | unrealized |  |  |  | Estimated |
(Dollars in thousands) |  |  | cost |  |  |  | gains |  |  |  | losses |  |  |  | fair value |
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 available-for-sale |  | $ | 375,579 |  |  | $ | 7,065 |  |  | $ | (1,927 | ) |  | $ | 380,717 |
Schedule of Available for Sale Securities Continuous Unrealized Loss Position Fair Value | Schedule of Available for Sale Securities Continuous Unrealized Loss Position Fair Value
|  |  |  |  | As of June 30, 2022 |
(Dollars in thousands) |  |  |  |  | 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 |  |  | 71 |  |  | $ | 131,024 |  |  | $ | (5,564 | ) |  | $ | 4,435 |  |  | $ | (204 | ) |  | $ | 135,459 |  |  | $ | (5,768 | )
U.S. federal agency obligations |  |  | 5 |  |  |  | 5,996 |  |  |  | (17 | ) |  |  | 6,930 |  |  |  | (124 | ) |  |  | 12,926 |  |  |  | (141 | )
Municipal obligations, tax exempt |  |  | 242 |  |  |  | 95,906 |  |  |  | (3,177 | ) |  |  | 2,272 |  |  |  | (109 | ) |  |  | 98,178 |  |  |  | (3,286 | )
Municipal obligations, taxable |  |  | 83 |  |  |  | 39,540 |  |  |  | (2,867 | ) |  |  | 3,553 |  |  |  | (364 | ) |  |  | 43,093 |  |  |  | (3,231 | )
Agency mortgage-backed securities |  |  | 93 |  |  |  | 133,056 |  |  |  | (10,395 | ) |  |  | 13,830 |  |  |  | (1,403 | ) |  |  | 146,886 |  |  |  | (11,798 | )
Total |  |  | 494 |  |  | $ | 405,522 |  |  | $ | (22,020 | ) |  | $ | 31,020 |  |  | $ | (2,204 | ) |  | $ | 436,542 |  |  | $ | (24,224 | )
|  |  |  |  |  | As of December 31, 2021 |
(Dollars in thousands) |  |  |  |  |  |  | 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
(Dollars in thousands) |  | Amortized |  |  | Estimated |
|  | cost |  |  | fair value |
Due in less than one year |  | $ | 24,994 |  |  | $ | 24,848 |
Due after one year but within five years |  |  | 342,614 |  |  |  | 326,409 |
Due after five years but within ten years |  |  | 99,159 |  |  |  | 93,743 |
Due after ten years |  |  | 43,914 |  |  |  | 41,633 |
Total |  | $ | 510,681 |  |  | $ | 486,633 |
Schedule of Realized Gain (loss) | Sales proceeds and gross realized gains and losses on sales of available-for-sale securities were as follows for the periods indicated: Schedule of Realized Gain (loss)
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
(Dollars in thousands) |  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Sales proceeds |  | $ | - |  |  | $ | 1,878 |  |  | $ | - |  |  | $ | 15,224 |
Realized gains |  | $ | - |  |  | $ | 33 |  |  | $ | - |  |  | $ | 1,108 |
Realized losses |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Net realized gains |  | $ | - |  |  | $ | 33 |  |  | $ | - |  |  | $ | 1,108 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 + Details
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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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