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INVESTMENT SECURITIES (Tables) | 3 Months Ended
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Mar. 31, 2020
Investments, Debt and Equity Securities [Abstract] |
Schedule of amortized cost and estimated fair values of available-for-sale | The amortized cost and estimated fair values of investment securities are summarized below:
AVAILABLE-FOR-SALE: |  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  |  |
(Dollars in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
March 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Treasury securities |  | $ | 3,498 |  |  | $ | 36 |  |  | $ | — |  |  | $ | 3,534 |
Government Sponsored Enterprises |  |  | 987 |  |  |  | 28 |  |  |  | — |  |  |  | 1,015 |
Mortgage-backed securities |  |  | 176,507 |  |  |  | 5,818 |  |  |  | 1,491 |  |  |  | 180,834 |
Small Business Administration pools |  |  | 41,255 |  |  |  | 597 |  |  |  | 125 |  |  |  | 41,727 |
State and local government |  |  | 59,187 |  |  |  | 2,577 |  |  |  | 8 |  |  |  | 61,756 |
Other securities |  |  | 15 |  |  |  | — |  |  |  | — |  |  |  | 15 |
|  | $ | 281,449 |  |  | $ | 9,056 |  |  | $ | 1,624 |  |  | $ | 288,881 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  |  |
(Dollars in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Treasury securities |  | $ | 7,190 |  |  | $ | 16 |  |  | $ | 3 |  |  | $ | 7,203 |
Government Sponsored Enterprises |  |  | 984 |  |  |  | 17 |  |  |  | — |  |  |  | 1,001 |
Mortgage-backed securities |  |  | 182,736 |  |  |  | 1,490 |  |  |  | 640 |  |  |  | 183,586 |
Small Business Administration pools |  |  | 45,301 |  |  |  | 259 |  |  |  | 217 |  |  |  | 45,343 |
State and local government |  |  | 47,418 |  |  |  | 2,371 |  |  |  | 141 |  |  |  | 49,648 |
Other securities |  |  | 19 |  |  |  | — |  |  |  | — |  |  |  | 19 |
|  | $ | 283,648 |  |  | $ | 4,153 |  |  | $ | 1,001 |  |  | $ | 286,800 |
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, aggregated by investment category and length of time that individual securities have been in a continuous loss position, at March 31, 2020 and December 31, 2019.
(Dollars in thousands) |  | Less than 12 months |  |  | 12 months or more |  |  | Total |
March 31, 2020 |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
Available-for-sale securities: |  | Value |  |  | Loss |  |  | Value |  |  | Loss |  |  | Value |  |  | Loss |
Mortgage-backed securities |  | $ | 36,949 |  |  | $ | 1,432 |  |  | $ | 4,062 |  |  | $ | 59 |  |  | $ | 41,011 |  |  | $ | 1,491 |
Small Business Administration pools |  |  | 3,038 |  |  |  | 18 |  |  |  | 8,845 |  |  |  | 107 |  |  |  | 11,883 |  |  |  | 125 |
State and local government |  |  | 2,226 |  |  |  | 8 |  |  |  | — |  |  |  | — |  |  |  | 2,226 |  |  |  | 8 |
Total |  | $ | 42,213 |  |  | $ | 1,458 |  |  | $ | 12,907 |  |  | $ | 166 |  |  | $ | 55,120 |  |  | $ | 1,624 |
(Dollars in thousands) |  | Less than 12 months |  |  | 12 months or more |  |  | Total |
December 31, 2019 |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
Available-for-sale securities: |  | Value |  |  | Loss |  |  | Value |  |  | Loss |  |  | Value |  |  | Loss |
US Treasury securities |  | $ | — |  |  | $ | — |  |  | $ | 1,508 |  |  | $ | 3 |  |  | $ | 1,508 |  |  | $ | 3 |
Mortgage-backed securities |  |  | 57,175 |  |  |  | 485 |  |  |  | 12,419 |  |  |  | 155 |  |  |  | 69,594 |  |  |  | 640 |
Small Business Administration pools |  |  | 7,891 |  |  |  | 53 |  |  |  | 13,502 |  |  |  | 164 |  |  |  | 21,393 |  |  |  | 217 |
State and local government |  |  | 5,695 |  |  |  | 141 |  |  |  | — |  |  |  | — |  |  |  | 5,695 |  |  |  | 141 |
Total |  | $ | 70,761 |  |  | $ | 679 |  |  | $ | 27,429 |  |  | $ | 322 |  |  | $ | 98,190 |  |  | $ | 1,001 |
Schedule of the amortized cost and fair value of investment securities by expected maturity |
March 31, 2020 |  | Available-for-sale |
|  | Amortized |  |  | Fair |
(Dollars in thousands) |  | Cost |  |  | Value |
Due in one year or less |  | $ | 7,772 |  |  | $ | 7,842 |
Due after one year through five years |  |  | 122,950 |  |  |  | 125,292 |
Due after five years through ten years |  |  | 123,926 |  |  |  | 128,280 |
Due after ten years |  |  | 26,801 |  |  |  | 27,467 |
Total |  | $ | 281,449 |  |  | $ | 288,881 |

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