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v3.23.2

Investment Securities (Tables) | 6 Months Ended
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Jun. 30, 2023
Investment Securities [Abstract] |
Activity in the ACL on held-to maturity securities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
(Dollars in thousands) | ​ | June 30, 2023 | ​ | June 30, 2023
Provision for credit losses - HTM Debt Securities | ​ | $ | — | ​ | $ | 163
Schedule of Available-for-Sale Securities Reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | Gross |  | Gross |  | Estimated
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
(Dollars in thousands) | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
Available-for-sale securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
June 30, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agencies | ​ | $ | 21,465 | ​ | $ | 5 | ​ | $ | 3,408 | ​ | $ | 18,062
Mortgage-backed | ​ |  | 66,367 | ​ |  | — | ​ |  | 8,188 | ​ |  | 58,179
Other debt securities | ​ | ​ | 2,014 | ​ | ​ | — | ​ | ​ | 186 | ​ | ​ | 1,828
Total | ​ | $ | 89,846 | ​ | $ | 5 | ​ | $ | 11,782 | ​ | $ | 78,069
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agencies | ​ | $ | 21,798 | ​ | $ | 5 | ​ | $ | 3,625 | ​ | $ | 18,178
Mortgage-backed | ​ |  | 72,183 | ​ |  | 2 | ​ |  | 8,666 | ​ |  | 63,519
Other debt securities | ​ |  | 2,018 | ​ |  | — | ​ |  | 128 | ​ |  | 1,890
Total | ​ | $ | 95,999 | ​ | $ | 7 | ​ | $ | 12,419 | ​ | $ | 83,587
Schedule of Held-to-Maturity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | Gross |  | Gross |  | Estimated | ​ | Allowance
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair | ​ | for credit
(Dollars in thousands) | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value | ​ | losses
Held-to-maturity securities: |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ | ​ | ​ | ​
June 30, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agencies | ​ | $ | 144,882 | ​ | $ | — | ​ | $ | 13,035 | ​ | $ | 131,847 | ​ | $ | —
Mortgage-backed | ​ | ​ | 379,779 | ​ | ​ | — | ​ | ​ | 49,407 | ​ | ​ | 330,372 | ​ | ​ | —
States and political subdivisions | ​ |  | 1,472 | ​ |  | 39 | ​ |  | 30 | ​ |  | 1,481 | ​ |  | —
Other debt securities | ​ |  | 11,000 | ​ |  | — | ​ |  | 1,404 | ​ |  | 9,596 | ​ |  | 163
Total | ​ | $ | 537,133 | ​ | $ | 39 | ​ | $ | 63,876 | ​ | $ | 473,296 | ​ | $ | 163
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agencies | ​ | $ | 148,097 | ​ | $ | — | ​ | $ | 13,601 | ​ | $ | 134,496 | ​ | $ | —
Mortgage-backed | ​ | ​ | 398,884 | ​ | ​ | — | ​ | ​ | 50,464 | ​ | ​ | 348,420 | ​ | ​ | —
States and political subdivisions | ​ |  | 1,474 | ​ |  | 35 | ​ |  | 28 | ​ |  | 1,481 | ​ |  | —
Other debt securities | ​ |  | 11,000 | ​ |  | — | ​ |  | 770 | ​ |  | 10,230 | ​ |  | —
Total | ​ | $ | 559,455 | ​ | $ | 35 | ​ | $ | 64,863 | ​ | $ | 494,627 | ​ | $ | —
Schedule of Amortized Cost of Held-to-Maturity Securities Based on Credit Rating | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | June 30, 2023
​ | ​ | ​ | Investment Grade
(Dollars in thousands) | ​ | ​ | Aaa | ​ | ​ | Aa1 | ​ | ​ | A3 | ​ | ​ | Baa1 | ​ | ​ | Baa2 | ​ | ​ | Baa3 | ​ | ​ | NR | ​ | ​ | Total
U.S. Government agencies | ​ | $ | 137,359 | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 7,523 | ​ | $ | 144,882
Mortgage-backed | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 379,779 | ​ | ​ | 379,779
States and political subdivisions | ​ | ​ | — | ​ | ​ | 1,472 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,472
Other debt securities | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,000 | ​ | ​ | 4,000 | ​ | ​ | 500 | ​ | ​ | 500 | ​ | ​ | 2,000 | ​ | ​ | 11,000
Total Held-to Maturity Securities | ​ | $ | 137,359 | ​ | $ | 1,472 | ​ | $ | 4,000 | ​ | $ | 4,000 | ​ | $ | 500 | ​ | $ | 500 | ​ | $ | 389,302 | ​ | $ | 537,133
Available-For-Sale Securities and Held-to-Maturity, Continuous Unrealized Loss Position, Fair Value | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than | ​ | More than | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 12 Months | ​ | 12 Months | ​ | Total
​ |  | Fair |  | Unrealized |  | Fair |  | Unrealized |  | Fair |  | Unrealized
(Dollars in thousands) | ​ | Value | ​ | Losses | ​ | Value | ​ | Losses | ​ | Value | ​ | Losses
June 30, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available-for-sale securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agencies | ​ | $ | 952 | ​ | $ | 5 | ​ | $ | 16,705 | ​ | $ | 3,403 | ​ | $ | 17,657 | ​ | $ | 3,408
Mortgage-backed | ​ |  | 1,128 | ​ |  | 29 | ​ |  | 57,051 | ​ |  | 8,159 | ​ |  | 58,179 | ​ |  | 8,188
Other debt securities | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,828 | ​ | ​ | 186 | ​ | ​ | 1,828 | ​ | ​ | 186
Total | ​ | $ | 2,080 | ​ | $ | 34 | ​ | $ | 75,584 | ​ | $ | 11,748 | ​ | $ | 77,664 | ​ | $ | 11,782
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than | ​ | More than | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 12 Months | ​ | 12 Months | ​ | Total
​ |  | Fair |  | Unrealized |  | Fair |  | Unrealized |  | Fair |  | Unrealized
(Dollars in thousands) | ​ | Value | ​ | Losses | ​ | Value | ​ | Losses | ​ | Value | ​ | Losses
December 31, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available-for-sale securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agencies | ​ | $ | 1,165 | ​ | $ | 4 | ​ | $ | 16,585 | ​ | $ | 3,621 | ​ | $ | 17,750 | ​ | $ | 3,625
Mortgage-backed | ​ |  | 29,125 | ​ |  | 2,409 | ​ |  | 34,167 | ​ |  | 6,257 | ​ |  | 63,292 | ​ |  | 8,666
Other debt securities | ​ | ​ | 1,890 | ​ | ​ | 128 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,890 | ​ | ​ | 128
Total | ​ | $ | 32,180 | ​ | $ | 2,541 | ​ | $ | 50,752 | ​ | $ | 9,878 | ​ | $ | 82,932 | ​ | $ | 12,419
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held-to-maturity securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agencies | ​ | $ | 67,332 | ​ | $ | 2,786 | ​ | $ | 67,163 | ​ | $ | 10,815 | ​ | $ | 134,495 | ​ | $ | 13,601
Mortgage-backed | ​ | ​ | 148,771 | ​ | ​ | 9,402 | ​ | ​ | 199,649 | ​ | ​ | 41,062 | ​ | ​ | 348,420 | ​ | ​ | 50,464
States and political subdivisions | ​ | ​ | 780 | ​ | ​ | 28 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 780 | ​ | ​ | 28
Other debt securities | ​ |  | 8,091 | ​ |  | 409 | ​ |  | 2,139 | ​ |  | 361 | ​ |  | 10,230 | ​ |  | 770
Total | ​ | $ | 224,974 | ​ | $ | 12,625 | ​ | $ | 268,951 | ​ | $ | 52,238 | ​ | $ | 493,925 | ​ | $ | 64,863
Schedule of Securities Debt Maturities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Available for sale | ​ | Held to maturity
​ |  | Amortized |  | ​ | ​ |  | Amortized |  | ​ | ​
(Dollars in thousands) | ​ | Cost | ​ | Fair Value | ​ | Cost | ​ | Fair Value
Due in one year or less | ​ | $ | 30 | ​ | $ | 30 | ​ | $ | 1,019 | ​ | $ | 1,009
Due after one year through five years | ​ |  | 8,771 | ​ |  | 8,345 | ​ |  | 123,636 | ​ |  | 114,964
Due after five years through ten years | ​ |  | 36,753 | ​ |  | 32,325 | ​ |  | 58,643 | ​ |  | 52,809
Due after ten years | ​ |  | 44,292 | ​ |  | 37,369 | ​ |  | 353,835 | ​ |  | 304,514
Total | ​ | $ | 89,846 | ​ | $ | 78,069 | ​ | $ | 537,133 | ​ | $ | 473,296

X
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