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Securities (Tables) | 9 Months Ended
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Sep. 30, 2023
Debt Securities, Trading, and Equity Securities, FV-NI, Cost [Abstract] |
Schedule of Gross Unrealized Gains and (Losses) | The fair value of equity securities and the related gross unrealized gains and (losses) recognized in noninterest income were as follows:
| September 30, 2023 |
|  |  |  | Gross |  |  | Gross |  |  |  |
(Dollars in thousands) | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
| Cost |  |  | Gains |  |  | Losses |  |  | Value |
Equity securities | $ | 7,928 |  |  | $ | 208 |  |  | $ | (874 | ) |  | $ | 7,262 |
| December 31, 2022 |
|  |  |  | Gross |  |  | Gross |  |  |  |
(Dollars in thousands) | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
| Cost |  |  | Gains |  |  | Losses |  |  | Value |
Equity securities | $ | 8,982 |  |  | $ | 305 |  |  | $ | (721 | ) |  | $ | 8,566 |
Schedule of Gross Unrealized Gains and Losses on Investment Securities Available for Sale Recognized in Accumulated Other Comprehensive Income (loss) | The following tables present the amortized cost and fair value of securities available for sale and the gross unrealized gains and losses recognized in accumulated other comprehensive income (loss) and the amortized cost and fair value of securities held to maturity and the related gross unrealized gains and losses. Mortgage backed security and collateralized mortgage obligation maturities are based on the average life at the prepayment speed and all other security types are based on the pre-refund date, call date, or maturity date:
| September 30, 2023 |
|  |  |  | Gross |  |  | Gross |  |  |  |
(Dollars in thousands) | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
Available for Sale: | Cost |  |  | Gains |  |  | Losses |  |  | Value |
U.S. Treasury notes and bonds | $ | 90,463 |  |  | $ | - |  |  | $ | (13,431 | ) |  | $ | 77,032 |
State and municipal |  | 260,976 |  |  |  | - |  |  |  | (48,262 | ) |  |  | 212,714 |
Mortgage-backed |  | 219,113 |  |  |  | 9 |  |  |  | (30,058 | ) |  |  | 189,064 |
Corporate |  | 760 |  |  |  | - |  |  |  | (51 | ) |  |  | 709 |
Asset-backed securities |  | 11,675 |  |  |  | - |  |  |  | (390 | ) |  |  | 11,285 |
Total | $ | 582,987 |  |  | $ | 9 |  |  | $ | (92,192 | ) |  | $ | 490,804 |
Held to Maturity: |  |  |  |  |  |  |  |  |  |  |
U.S. Government and federal agency | $ | 2,971 |  |  | $ | - |  |  | $ | (396 | ) |  | $ | 2,575 |
State and municipal |  | 196,580 |  |  |  | 3 |  |  |  | (42,986 | ) |  |  | 153,597 |
Mortgage-backed |  | 194,545 |  |  |  | - |  |  |  | (33,599 | ) |  |  | 160,946 |
Corporate |  | 20,005 |  |  |  | 16 |  |  |  | (3,117 | ) |  |  | 16,904 |
Asset-backed securities |  | 642 |  |  |  | - |  |  |  | (39 | ) |  |  | 603 |
Total | $ | 414,743 |  |  | $ | 19 |  |  | $ | (80,137 | ) |  | $ | 334,625 |
| December 31, 2022 |
|  |  |  | Gross |  |  | Gross |  |  |  |
(Dollars in thousands) | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
Available for Sale: | Cost |  |  | Gains |  |  | Losses |  |  | Value |
U.S. Treasury notes and bonds | $ | 90,810 |  |  | $ | - |  |  | $ | (12,606 | ) |  | $ | 78,204 |
State and municipal |  | 277,489 |  |  |  | - |  |  |  | (47,551 | ) |  |  | 229,938 |
Mortgage-backed |  | 236,703 |  |  |  | - |  |  |  | (28,140 | ) |  |  | 208,563 |
Corporate |  | 757 |  |  |  | - |  |  |  | (46 | ) |  |  | 711 |
Asset-backed securities |  | 13,031 |  |  |  | - |  |  |  | (698 | ) |  |  | 12,333 |
Total | $ | 618,790 |  |  | $ | - |  |  | $ | (89,041 | ) |  | $ | 529,749 |
Held to Maturity: |  |  |  |  |  |  |  |  |  |  |
U.S. Government and federal agency | $ | 2,966 |  |  | $ | - |  |  | $ | (421 | ) |  | $ | 2,545 |
State and municipal |  | 201,890 |  |  |  | 1 |  |  |  | (39,355 | ) |  |  | 162,536 |
Mortgage-backed |  | 200,473 |  |  |  | - |  |  |  | (29,868 | ) |  |  | 170,605 |
Corporate |  | 19,603 |  |  |  | - |  |  |  | (2,285 | ) |  |  | 17,318 |
Asset-backed securities |  | 974 |  |  |  | - |  |  |  | (77 | ) |  |  | 897 |
Total | $ | 425,906 |  |  | $ | 1 |  |  | $ | (72,006 | ) |  | $ | 353,901 |
Schedule of Available for Sale Securities with Unrealize Losses | with unrealized losses as of September 30, 2023 and December 31, 2022, aggregated by investment category and length of time the individual securities have been in an unrealized loss position, were as follows:
| September 30, 2023 |
| Less than 12 months |  |  | More than 12 months |  |  | Total |
(Dollars in thousands) | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
Available for Sale: | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. Treasury notes and bonds | $ | - |  |  | $ | - |  |  | $ | 77,032 |  |  | $ | 13,431 |  |  | $ | 77,032 |  |  | $ | 13,431 |
State and municipal |  | 529 |  |  |  | 35 |  |  |  | 212,185 |  |  |  | 48,227 |  |  |  | 212,714 |  |  |  | 48,262 |
Mortgage-backed |  | 4,099 |  |  |  | 160 |  |  |  | 174,956 |  |  |  | 29,898 |  |  |  | 179,055 |  |  |  | 30,058 |
Corporate |  | - |  |  |  | - |  |  |  | 709 |  |  |  | 51 |  |  |  | 709 |  |  |  | 51 |
Asset-backed securities |  | - |  |  |  | - |  |  |  | 11,285 |  |  |  | 390 |  |  |  | 11,285 |  |  |  | 390 |
Total temporarily impaired | $ | 4,628 |  |  | $ | 195 |  |  | $ | 476,167 |  |  | $ | 91,997 |  |  | $ | 480,795 |  |  | $ | 92,192 |
| December 31, 2022 |
| Less than 12 months |  |  | More than 12 months |  |  | Total |
(Dollars in thousands) | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
Available for Sale: | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. Treasury notes and bonds | $ | - |  |  | $ | - |  |  | $ | 78,204 |  |  | $ | 12,606 |  |  | $ | 78,204 |  |  | $ | 12,606 |
State and municipal |  | 89,158 |  |  |  | 12,612 |  |  |  | 140,390 |  |  |  | 34,939 |  |  |  | 229,548 |  |  |  | 47,551 |
Mortgage-backed |  | 63,249 |  |  |  | 3,093 |  |  |  | 144,318 |  |  |  | 25,047 |  |  |  | 207,567 |  |  |  | 28,140 |
Corporate |  | 711 |  |  |  | 46 |  |  |  | - |  |  |  | - |  |  |  | 711 |  |  |  | 46 |
Asset-backed securities |  | - |  |  |  | - |  |  |  | 12,333 |  |  |  | 698 |  |  |  | 12,333 |  |  |  | 698 |
Total temporarily impaired | $ | 153,118 |  |  | $ | 15,751 |  |  | $ | 375,245 |  |  | $ | 73,290 |  |  | $ | 528,363 |  |  | $ | 89,041 |
Schedule of Held to Maturity Securities with Unrealize Losses | Held to maturity securities with unrealized losses as of September 30, 2023 and December 31, 2022, aggregated by investment category and length of time the individual securities have been in an unrealized loss position, were as follows:
| September 30, 2023 |
| Less than 12 months |  |  | More than 12 months |  |  | Total |
(Dollars in thousands) | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
Held to Maturity: | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. Government and federal agency | $ | - |  |  | $ | - |  |  | $ | 2,575 |  |  | $ | 396 |  |  | $ | 2,575 |  |  | $ | 396 |
State and municipal |  | 125 |  |  |  | 6 |  |  |  | 153,293 |  |  |  | 42,980 |  |  |  | 153,418 |  |  |  | 42,986 |
Mortgage-backed |  | - |  |  |  | - |  |  |  | 160,946 |  |  |  | 33,599 |  |  |  | 160,946 |  |  |  | 33,599 |
Corporate |  | - |  |  |  | - |  |  |  | 15,251 |  |  |  | 3,117 |  |  |  | 15,251 |  |  |  | 3,117 |
Asset-backed securities |  | - |  |  |  | - |  |  |  | 603 |  |  |  | 39 |  |  |  | 603 |  |  |  | 39 |
Total temporarily impaired | $ | 125 |  |  | $ | 6 |  |  | $ | 332,668 |  |  | $ | 80,131 |  |  | $ | 332,793 |  |  | $ | 80,137 |
| December 31, 2022 |
| Less than 12 months |  |  | More than 12 months |  |  | Total |
(Dollars in thousands) | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
Held to Maturity: | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. Government and federal agency | $ | - |  |  | $ | - |  |  | $ | 2,545 |  |  | $ | 421 |  |  | $ | 2,545 |  |  | $ | 421 |
State and municipal |  | 13,457 |  |  |  | 1,899 |  |  |  | 149,016 |  |  |  | 37,456 |  |  |  | 162,473 |  |  |  | 39,355 |
Mortgage-backed |  | 25,582 |  |  |  | 822 |  |  |  | 145,024 |  |  |  | 29,046 |  |  |  | 170,606 |  |  |  | 29,868 |
Corporate |  | 5,296 |  |  |  | 603 |  |  |  | 10,771 |  |  |  | 1,682 |  |  |  | 16,067 |  |  |  | 2,285 |
Asset-backed securities |  | - |  |  |  | - |  |  |  | 897 |  |  |  | 77 |  |  |  | 897 |  |  |  | 77 |
Total temporarily impaired | $ | 44,335 |  |  | $ | 3,324 |  |  | $ | 308,253 |  |  | $ | 68,682 |  |  | $ | 352,588 |  |  | $ | 72,006 |
Schedule of Maturities of Securities | Presented below is a schedule of maturities of securities as of September 30, 2023. Available for sale securities are reported at fair value and held to maturity securities are reported at amortized cost. Callable securities in the money are presumed called and matured at the callable date.
| Available for Sale Securities maturing within: |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  | Fair Value |
| Less than |  |  | 1 Year - |  |  | 5 Years - |  |  | More than |  |  | at September 30, |
(Dollars in thousands) | 1 Year |  |  | 5 Years |  |  | 10 Years |  |  | 10 Years |  |  | 2023 |
U.S. Government and federal agency | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
U.S. Treasury notes and bonds |  | - |  |  |  | 55,662 |  |  |  | 21,370 |  |  |  | - |  |  |  | 77,032 |
State and municipal |  | 1,854 |  |  |  | 9,677 |  |  |  | 36,082 |  |  |  | 165,101 |  |  |  | 212,714 |
Corporate |  | 509 |  |  |  | - |  |  |  | 200 |  |  |  | — |  |  |  | 709 |
Asset-backed securities |  | — |  |  |  | 8,195 |  |  |  | 3,090 |  |  |  | — |  |  |  | 11,285 |
Total debt securities |  | 2,363 |  |  |  | 73,534 |  |  |  | 60,742 |  |  |  | 165,101 |  |  |  | 301,740 |
Mortgage-backed securities |  | 14,001 |  |  |  | 59,091 |  |  |  | 109,991 |  |  |  | 5,981 |  |  |  | 189,064 |
Total Available for Sale | $ | 16,364 |  |  | $ | 132,625 |  |  | $ | 170,733 |  |  | $ | 171,082 |  |  | $ | 490,804 |
| Held to Maturity Securities maturing within: |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  | Amortized Cost |
| Less than |  |  | 1 Year - |  |  | 5 Years - |  |  | More than |  |  | at September 30, |
(Dollars in thousands) | 1 Year |  |  | 5 Years |  |  | 10 Years |  |  | 10 Years |  |  | 2023 |
U.S. Government and federal agency | $ | — |  |  | $ | 2,971 |  |  | $ | - |  |  | $ | — |  |  | $ | 2,971 |
State and municipal |  | 1,056 |  |  |  | 9,425 |  |  |  | 80,002 |  |  |  | 106,097 |  |  |  | 196,580 |
Corporate |  | — |  |  |  | - |  |  |  | 20,005 |  |  |  | - |  |  |  | 20,005 |
Asset-backed securities |  | — |  |  |  | 642 |  |  |  | — |  |  |  | — |  |  |  | 642 |
Total debt securities |  | 1,056 |  |  |  | 13,038 |  |  |  | 100,007 |  |  |  | 106,097 |  |  |  | 220,198 |
Mortgage-backed securities |  | 14,753 |  |  |  | 30,664 |  |  |  | 149,128 |  |  |  | — |  |  |  | 194,545 |
Total Held to Maturity | $ | 15,809 |  |  | $ | 43,702 |  |  | $ | 249,135 |  |  | $ | 106,097 |  |  | $ | 414,743 |
Schedule of Unrealized Gains and Losses on Equity Securities | Following is information regarding unrealized gains and losses on equity securities for the three and nine months ended September 30, 2023 and 2022:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Net gains and (losses) recognized during the period |  | $ | (205 | ) |  | $ | (323 | ) |  | $ | (527 | ) |  | $ | (1,006 | )
Less: Net gains and (losses) recognized during the period on securities sold |  |  | (71 | ) |  | — |  |  |  | (71 | ) |  |  | — |
Unrealized gains and (losses) recognized during the reporting period on securities still held at the reporting date |  | $ | (134 | ) |  | $ | (323 | ) |  | $ | (456 | ) |  | $ | (1,006 | )

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