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Debt Securities (Tables) | 12 Months Ended
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Dec. 31, 2023
Debt Securities |
Schedule of Amortized Cost and Approximate Fair Values of Debt Securities | Schedule of Amortized Cost and Approximate Fair Values of Debt Securities
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
At December 31, 2023: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SBA Pool Securities |  | $ | 706 |  |  | $ | — |  |  | $ | (16 | ) |  | $ | 690 |
Collateralized mortgage obligations |  |  | 138 |  |  |  | — |  |  |  | (15 | ) |  |  | 123 |
Taxable municipal securities |  |  | 16,690 |  |  |  | — |  |  |  | (4,480 | ) |  |  | 12,210 |
Mortgage-backed securities |  |  | 13,927 |  |  |  | — |  |  |  | (2,595 | ) |  |  | 11,332 |
Total |  | $ | 31,461 |  |  | $ | — |  |  | $ | (7,106 | ) |  | $ | 24,355 |
Held-to-maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collateralized mortgage obligations |  | $ | 353 |  |  | $ | — |  |  | $ | (35 | ) |  | $ | 318 |
Mortgage-backed securities |  |  | 7 |  |  |  | 1 |  |  |  | — |  |  |  | 8 |
Total |  | $ | 360 |  |  | $ | 1 |  |  |  | (35 | ) |  | $ | 326 |
(continued) OPTIMUMBANK HOLDINGS, INC. AND SUBSIDIARY Notes to Consolidated Financial Statements (2) Debt Securities, Continued.
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
At December 31, 2022: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SBA Pool Securities |  | $ | 834 |  |  | $ | 1 |  |  | $ | (18 | ) |  | $ | 817 |
Collateralized mortgage obligations |  |  | 145 |  |  |  | — |  |  |  | (15 | ) |  |  | 130 |
Taxable municipal securities |  |  | 16,729 |  |  |  | — |  |  |  | (5,109 | ) |  |  | 11,620 |
Mortgage-backed securities |  |  | 15,180 |  |  |  | — |  |  |  | (2,645 | ) |  |  | 12,535 |
Total |  | $ | 32,888 |  |  | $ | 1 |  |  | $ | (7,787 | ) |  | $ | 25,102 |
Held-to-maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collateralized mortgage obligations |  | $ | 475 |  |  | $ | — |  |  | $ | (35 | ) |  | $ | 440 |
Mortgage-backed securities |  |  | 65 |  |  |  | — |  |  |  | (1 | ) |  |  | 64 |
Total |  | $ | 540 |  |  | $ | — |  |  | $ | (36 | ) |  | $ | 504 |
Schedule of Debt Securities Available for Sale with Gross Unrealized Losses, by Investment Category | Debt securities with gross unrealized losses, aggregated by investment category and length of time that individual debt securities have been in a continuous loss position, is as follows (in thousands): Schedule of Debt Securities Available for Sale with Gross Unrealized Losses, by Investment Category
|  | Over Twelve Months |  |  | Less Than Twelve Months |
|  | Gross Unrealized Losses |  |  | Fair Value |  |  | Gross Unrealized Losses |  |  | Fair Value |
At December 31, 2023: |  |  |  |  |  |  |  |  |  |  |  |
Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SBA Pool Securities |  | $ | (16 | ) |  |  | 690 |  |  |  | — |  |  |  | — |
Collateralized mortgage obligations |  | $ | — |  |  |  | — |  |  |  | (15 | ) |  |  | 123 |
Taxable municipal securities |  | $ | (4,480 | ) |  |  | 12,210 |  |  |  | — |  |  |  | — |
Mortgage-backed securities |  | $ | (2,595 | ) |  |  | 11,332 |  |  |  | — |  |  |  | — |
Total |  |  | (7,091 | ) |  |  | 24,232 |  |  |  | (15 | ) |  |  | 123 |
At December 31, 2022: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SBA Pool Securities |  | $ | 18 |  |  | $ | 657 |  |  | $ | — |  |  | $ | — |
Collateralized mortgage obligations |  |  | — |  |  |  | — |  |  |  | 15 |  |  |  | 130 |
Taxable municipal securities |  | $ | 5,109 |  |  | $ | 11,620 |  |  | $ | — |  |  | $ | — |
Mortgage-backed securities |  | $ | 2,621 |  |  | $ | 12,292 |  |  | $ | 24 |  |  | $ | 243 |
Total |  |  | 7,748 |  |  |  | 24,569 |  |  |  | 39 |  |  |  | 373 |

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