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Securities (Tables) | 12 Months Ended
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Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract] |
Schedule of fair value of securities | The fair value of equity securities and the related gross unrealized gains recognized in noninterest income at December 31 were as follows:
|  | 2019 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
(Dollars in thousands) |  | Amortized |  |  | Unrealized |  |  | Unrealized |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  | Value |
Equity securities |  | $ | 2,426 |  |  | $ | 425 |  |  | $ | — |  |  | $ | 2,851 |
|  | 2018 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
(Dollars in thousands) |  | Amortized |  |  | Unrealized |  |  | Unrealized |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  | Value |
Equity securities |  | $ | 2,502 |  |  | $ | 459 |  |  | $ | (114 | ) |  | $ | 2,847 |
Schedule of fair value of securities available for sale | The fair value of securities available for sale and the related gross unrealized gains and losses recognized in accumulated other comprehensive income (loss) at December 31 were as follows:
|  | 2019 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
(Dollars in thousands) |  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
U.S. Government and federal agency |  | $ | 17,231 |  |  | $ | 23 |  |  | $ | (39 | ) |  | $ | 17,215 |
U.S. Treasury notes and bonds |  |  | 1,994 |  |  |  | 14 |  |  |  | — |  |  |  | 2,008 |
State and municipal |  |  | 172,487 |  |  |  | 2,694 |  |  |  | (1,257 | ) |  |  | 173,924 |
Mortgage-backed |  |  | 142,504 |  |  |  | 585 |  |  |  | (329 | ) |  |  | 142,760 |
Corporate |  |  | 2,649 |  |  |  | 24 |  |  |  | (1 | ) |  |  | 2,672 |
Trust preferred securities |  |  | 1,000 |  |  |  | — |  |  |  | — |  |  |  | 1,000 |
Total |  | $ | 337,865 |  |  | $ | 3,340 |  |  | $ | (1,626 | ) |  | $ | 339,579 |
|  | 2018 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
(Dollars in thousands) |  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
U.S. Government and federal agency |  | $ | 34,079 |  |  | $ | 1 |  |  | $ | (551 | ) |  | $ | 33,529 |
U.S. Treasury notes and bonds |  |  | 1,992 |  |  |  | — |  |  |  | (45 | ) |  |  | 1,947 |
State and municipal |  |  | 104,317 |  |  |  | 544 |  |  |  | (933 | ) |  |  | 103,928 |
Mortgage-backed |  |  | 21,654 |  |  |  | 126 |  |  |  | (205 | ) |  |  | 21,575 |
Corporate |  |  | 5,147 |  |  |  | 1 |  |  |  | (46 | ) |  |  | 5,102 |
Trust preferred securities |  |  | 500 |  |  |  | — |  |  |  | — |  |  |  | 500 |
Asset-backed securities |  |  | 21 |  |  |  | — |  |  |  | — |  |  |  | 21 |
Total |  | $ | 167,710 |  |  | $ | 672 |  |  | $ | (1,780 | ) |  | $ | 166,602 |
Schedule of sales of equity securities and securities available for sale | Information regarding sales of equity securities and securities available for sale for the year ended December 31 follows:
(Dollars in thousands) |  |  |  |  |  |  |  |  |
|  | 2019 |  |  | 2018 |  |  | 2017 |
Proceeds from sales of securities |  | $ | 178,913 |  |  | $ | 2,634 |  |  | $ | 57,595 |
Gross realized gains |  |  | 22 |  |  |  | 42 |  |  |  | 184 |
Gross realized losses |  |  | — |  |  |  | 8 |  |  |  | 464 |
Schedule of contractual maturities of equity securities and securities available for sale | Contractual maturities of equity securities and securities available for sale at December 31, 2019 were as follows:
(Dollars in thousands) |  | Amortized |  |  | Fair |
|  | Cost |  |  | Value |
Due within one year |  | $ | 26,742 |  |  | $ | 26,849 |
Due after one year through five years |  |  | 55,484 |  |  |  | 56,527 |
Due after five years through ten years |  |  | 69,356 |  |  |  | 70,526 |
Due after ten years |  |  | 43,779 |  |  |  | 42,917 |
Total debt securities |  |  | 195,361 |  |  |  | 196,819 |
Mortgage-backed securities |  |  | 142,504 |  |  |  | 142,760 |
Equity securities |  |  | 2,426 |  |  |  | 2,851 |
Total |  | $ | 340,291 |  |  | $ | 342,430 |
Schedule of securities pledged as collateral | The carrying amount of securities pledged as collateral at December 31 was as follows:
(Dollars in thousands) |  | 2019 |  |  | 2018 |
Securities pledged for securities sold under agreements to repurchase |  | $ | 252 |  |  | $ | 257 |
Schedule of securities in a continuous unrealized loss position | Securities with unrealized losses at year-end 2019 and 2018, aggregated by investment category and length of time the individual securities have been in an unrealized loss position, were as follows:
|  | 2019 |
|  | Less than 12 months |  |  | More than 12 months |  |  | Total |
(Dollars in thousands) |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. Government and federal agency |  | $ | 7,175 |  |  | $ | (39 | ) |  | $ | — |  |  | $ | — |  |  | $ | 7,175 |  |  | $ | (39 | )
U.S. Treasury notes and bonds |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
State and municipal |  |  | 75,099 |  |  |  | (1,256 | ) |  |  | 252 |  |  |  | (1 | ) |  |  | 75,351 |  |  |  | (1,257 | )
Mortgage-backed |  |  | 109,652 |  |  |  | (327 | ) |  |  | 373 |  |  |  | (2 | ) |  |  | 110,025 |  |  |  | (329 | )
Corporate |  |  | — |  |  |  | — |  |  |  | 300 |  |  |  | (1 | ) |  |  | 300 |  |  |  | (1 | )
Total temporarily impaired |  | $ | 191,926 |  |  | $ | (1,622 | ) |  | $ | 925 |  |  | $ | (4 | ) |  | $ | 192,851 |  |  | $ | (1,626 | )
|  | 2018 |
|  | Less than 12 months |  |  | More than 12 months |  |  | Total |
(Dollars in thousands) |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. Government and federal agency |  | $ | — |  |  | $ | — |  |  | $ | 31,499 |  |  | $ | (551 | ) |  | $ | 31,499 |  |  | $ | (551 | )
U.S. Treasury notes and bonds |  |  | — |  |  |  | — |  |  |  | 1,947 |  |  |  | (45 | ) |  |  | 1,947 |  |  |  | (45 | )
State and municipal |  |  | 9,726 |  |  |  | (36 | ) |  |  | 56,763 |  |  |  | (897 | ) |  |  | 66,489 |  |  |  | (933 | )
Mortgage-backed |  |  | 5,384 |  |  |  | (28 | ) |  |  | 7,443 |  |  |  | (177 | ) |  |  | 12,827 |  |  |  | (205 | )
Corporate |  |  | — |  |  |  | — |  |  |  | 4,604 |  |  |  | (46 | ) |  |  | 4,604 |  |  |  | (46 | )
Total temporarily impaired |  | $ | 15,110 |  |  | $ | (64 | ) |  | $ | 102,256 |  |  | $ | (1,716 | ) |  | $ | 117,366 |  |  | $ | (1,780 | )
Schedule of unrealized gains and losses on equity securities | Following is information regarding unrealized gains and losses on equity securities for the years ending December 31:
|  | 2019 |  |  | 2018 |
New gains and losses recognized during the period |  | $ | — |  |  | $ | 71 |
Less: Net gains and losses recognized during the period on securities sold |  |  | (5 | ) |  |  | 9 |
Unrealized gains and losses recognized during the reporting period on securities still held at the reporting date |  | $ | 5 |  |  | $ | 62 |

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