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v3.23.3

Securities (Tables) | 9 Months Ended
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Sep. 30, 2023
Securities [Abstract] |
Schedule of Available-for-sale Securities Reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2023
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
Available-for-sale: | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
U.S. Treasury | ​ | $ | 84,550 | ​ | $ | — | ​ | $ | (10,817) | ​ | $ | 73,733
U.S. Government-sponsored enterprises (GSEs) | ​ | ​ | 59,683 | ​ | ​ | 1,430 | ​ | ​ | (160) | ​ | ​ | 60,953
Municipal securities | ​ |  | 18,661 | ​ |  | 2 | ​ |  | (1,158) | ​ |  | 17,505
Other debt securities | ​ |  | 34,784 | ​ |  | 67 | ​ |  | (4,225) | ​ |  | 30,626
Mortgage-backed securities (GSEs) | ​ |  | 231,153 | ​ |  | — | ​ |  | (28,839) | ​ |  | 202,314
Total | ​ | $ | 428,831 | ​ | $ | 1,499 | ​ | $ | (45,199) | ​ | $ | 385,131
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
Available-for-sale: | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
U.S. Treasury | ​ | $ | 241,506 | ​ | $ | — | ​ | $ | (17,853) | ​ | $ | 223,653
U.S. Government-sponsored enterprises (GSEs) | ​ | ​ | 1,593 | ​ | ​ | — | ​ | ​ | (18) | ​ | ​ | 1,575
Municipal securities | ​ |  | 19,210 | ​ |  | 17 | ​ |  | (616) | ​ |  | 18,611
Other debt securities | ​ |  | 32,959 | ​ |  | — | ​ |  | (2,408) | ​ |  | 30,551
Mortgage-backed securities (GSEs) | ​ |  | 233,948 | ​ |  | 6 | ​ |  | (24,451) | ​ |  | 209,503
Total | ​ | $ | 529,216 | ​ | $ | 23 | ​ | $ | (45,346) | ​ | $ | 483,893
Schedule of Held-to-maturity Securities Reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2023
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
Held-to-maturity: | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
U.S. Treasury | ​ | $ | 150,126 | ​ | $ | — | ​ | $ | (2,925) | ​ | $ | 147,201
U.S. Government-sponsored enterprises (GSEs) | ​ |  | 49,642 | ​ |  | — | ​ |  | (9,013) | ​ |  | 40,629
Municipal securities | ​ |  | 52,947 | ​ |  | — | ​ |  | (8,872) | ​ |  | 44,075
Mortgage-backed securities (GSEs) | ​ |  | 29,598 | ​ |  | — | ​ |  | (5,178) | ​ |  | 24,420
Total | ​ | $ | 282,313 | ​ | $ | — | ​ | $ | (25,988) | ​ | $ | 256,325
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
Held-to-maturity: | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
U.S. Treasury | ​ | $ | 150,295 | ​ | $ | — | ​ | $ | (5,613) | ​ | $ | 144,682
U.S. Government-sponsored enterprises (GSEs) | ​ | ​ | 50,539 | ​ | ​ | — | ​ | ​ | (8,037) | ​ | ​ | 42,502
Municipal securities | ​ |  | 53,694 | ​ |  | — | ​ |  | (7,550) | ​ |  | 46,144
Mortgage-backed securities (GSEs) | ​ |  | 31,421 | ​ |  | — | ​ |  | (4,136) | ​ |  | 27,285
Total | ​ | $ | 285,949 | ​ | $ | — | ​ | $ | (25,336) | ​ | $ | 260,613
Investments Classified by Contractual Maturity Date | The amortized cost and estimated fair value of securities at September 30, 2023 by contractual maturity for non-mortgage backed securities are shown below (in thousands). Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2023
​ |  | Amortized |  | Fair
Available-for-sale: | ​ | Cost | ​ | Value
Due in one year or less | ​ | $ | 11,410 | ​ | $ | 11,386
Due from one year to five years | ​ |  | 56,074 | ​ |  | 49,911
Due from five years to ten years | ​ |  | 119,939 | ​ |  | 112,003
Due after ten years | ​ |  | 10,255 | ​ |  | 9,517
​ | ​ |  | 197,678 | ​ |  | 182,817
Mortgage-backed securities | ​ |  | 231,153 | ​ |  | 202,314
Total | ​ | $ | 428,831 | ​ | $ | 385,131
​ | ​ | ​ | ​ | ​ | ​ | ​
Held-to-maturity: | ​ | ​ | ​ | ​ | ​ | ​
Due in one year or less | ​ | $ | 150,126 | ​ | $ | 147,201
Due from one year to five years | ​ |  | — | ​ |  | —
Due from five years to ten years | ​ |  | 47,513 | ​ |  | 39,301
Due after ten years | ​ |  | 55,076 | ​ |  | 45,403
​ | ​ |  | 252,715 | ​ |  | 231,905
Mortgage-backed securities | ​ |  | 29,598 | ​ |  | 24,420
Total | ​ | $ | 282,313 | ​ | $ | 256,325
​
Schedule of Unrealized Loss on Investments | The following tables present the gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities AFS and HTM have been in a continuous unrealized loss position (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2023
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number
​ | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of
Available-for-sale: | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities
U.S. Treasury | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 73,733 | ​ | $ | (10,817) | ​ | 9 | ​ | $ | 73,733 | ​ | $ | (10,817) | ​ | 9
U.S. Government-sponsored enterprises (GSEs) | ​ | ​ | 20,181 | ​ | ​ | (143) | ​ | 4 | ​ | ​ | 1,488 | ​ | ​ | (17) | ​ | 3 | ​ | ​ | 21,669 | ​ | ​ | (160) | ​ | 7
Municipal securities | ​ |  | 7,729 | ​ |  | (283) | ​ | 10 | ​ |  | 9,475 | ​ |  | (875) | ​ | 17 | ​ |  | 17,204 | ​ |  | (1,158) | ​ | 27
Other debt securities | ​ |  | 2,654 | ​ |  | (270) | ​ | 2 | ​ |  | 26,980 | ​ |  | (3,955) | ​ | 25 | ​ |  | 29,634 | ​ |  | (4,225) | ​ | 27
Mortgage-backed securities (GSEs) | ​ |  | 29,670 | ​ |  | (547) | ​ | 15 | ​ |  | 172,645 | ​ |  | (28,292) | ​ | 89 | ​ |  | 202,315 | ​ |  | (28,839) | ​ | 104
Total | ​ | $ | 60,234 | ​ | $ | (1,243) | ​ | 31 | ​ | $ | 284,321 | ​ | $ | (43,956) | ​ | 143 | ​ | $ | 344,555 | ​ | $ | (45,199) | ​ | 174
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2023
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number
​ | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of
Held-to-maturity: | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities
U.S. Treasury | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 147,201 | ​ | $ | (2,925) | ​ | 4 | ​ | $ | 147,201 | ​ | $ | (2,925) | ​ | 4
U.S. Government-sponsored enterprises (GSEs) | ​ |  | — | ​ |  | — | ​ | — | ​ |  | 40,629 | ​ |  | (9,013) | ​ | 13 | ​ |  | 40,629 | ​ |  | (9,013) | ​ | 13
Municipal securities | ​ |  | — | ​ |  | — | ​ | — | ​ |  | 44,076 | ​ |  | (8,872) | ​ | 35 | ​ |  | 44,076 | ​ |  | (8,872) | ​ | 35
Mortgage-backed securities (GSEs) | ​ |  | — | ​ |  | — | ​ | — | ​ |  | 24,419 | ​ |  | (5,178) | ​ | 5 | ​ |  | 24,419 | ​ |  | (5,178) | ​ | 5
Total | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 256,325 | ​ | $ | (25,988) | ​ | 57 | ​ | $ | 256,325 | ​ | $ | (25,988) | ​ | 57
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number
​ | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of
Available-for-sale: | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities
U.S. Treasury | ​ | $ | 134,414 | ​ | $ | (7,610) | ​ | 9 | ​ | $ | 89,239 | ​ | $ | (10,243) | ​ | 11 | ​ | $ | 223,653 | ​ | $ | (17,853) | ​ | 20
U.S. Government-sponsored enterprises (GSEs) | ​ | ​ | 1,266 | ​ | ​ | (14) | ​ | 1 | ​ | ​ | 309 | ​ | ​ | (4) | ​ | 2 | ​ | ​ | 1,575 | ​ | ​ | (18) | ​ | 3
Municipal securities | ​ |  | 13,146 | ​ |  | (616) | ​ | 20 | ​ |  | — | ​ |  | — | ​ | — | ​ |  | 13,146 | ​ |  | (616) | ​ | 20
Other debt securities | ​ |  | 25,044 | ​ |  | (1,866) | ​ | 20 | ​ |  | 5,506 | ​ |  | (542) | ​ | 6 | ​ |  | 30,550 | ​ |  | (2,408) | ​ | 26
Mortgage-backed securities (GSEs) | ​ |  | 111,598 | ​ |  | (8,968) | ​ | 86 | ​ |  | 96,285 | ​ |  | (15,483) | ​ | 28 | ​ |  | 207,883 | ​ |  | (24,451) | ​ | 114
Total | ​ | $ | 285,468 | ​ | $ | (19,074) | ​ | 136 | ​ | $ | 191,339 | ​ | $ | (26,272) | ​ | 47 | ​ | $ | 476,807 | ​ | $ | (45,346) | ​ | 183
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number
​ | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of
Held-to-maturity: | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities
U.S. Treasury | ​ | $ | 144,683 | ​ | $ | (5,613) | ​ | 4 | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 144,683 | ​ | $ | (5,613) | ​ | 4
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | 13,048 | ​ | $ | (2,503) | ​ | 3 | ​ | $ | 29,451 | ​ | $ | (5,534) | ​ | 10 | ​ | $ | 42,499 | ​ | $ | (8,037) | ​ | 13
Municipal securities | ​ |  | 40,770 | ​ |  | (6,387) | ​ | 28 | ​ |  | 5,375 | ​ |  | (1,163) | ​ | 7 | ​ |  | 46,145 | ​ |  | (7,550) | ​ | 35
Mortgage-backed securities (GSEs) | ​ |  | — | ​ |  | — | ​ | — | ​ |  | 27,285 | ​ |  | (4,136) | ​ | 5 | ​ |  | 27,285 | ​ |  | (4,136) | ​ | 5
Total | ​ | $ | 198,501 | ​ | $ | (14,503) | ​ | 35 | ​ | $ | 62,111 | ​ | $ | (10,833) | ​ | 22 | ​ | $ | 260,612 | ​ | $ | (25,336) | ​ | 57
​
Schedule of Other Investments | The following is the amortized cost and carrying value of other investments (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
​ |  | 2023 |  | 2022
Federal Reserve Bank stock | ​ | $ | 9,669 |  | $ | 9,783
Federal Home Loan Bank stock | ​ |  | 3,786 |  | ​ | 5,397
First National Bankers Bank stock | ​ |  | 350 |  | ​ | 350
Total | ​ | $ | 13,805 | ​ | $ | 15,530
​

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