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v3.25.3

Securities (Tables) | 9 Months Ended
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Sep. 30, 2025
Securities |
Schedule of amortized cost and fair value of investments classified as available-for-sale | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2025
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | ​ | ​
(Dollar amounts in thousands) | ​ | Cost |  | Gains |  | Losses |  | Fair Value
U.S. Government agencies | ​ | $ | 87,559 | ​ | $ | 95 | ​ | $ | (8,472) | ​ | $ | 79,182
Mortgage Backed Securities - residential | ​ | ​ | 596,918 | ​ | ​ | 897 | ​ | ​ | (62,313) | ​ | ​ | 535,502
Mortgage Backed Securities - commercial |  | ​ | 12,821 |  | ​ | 2 |  | ​ | (313) |  | ​ | 12,510
Collateralized mortgage obligations |  | ​ | 176,523 |  | ​ | 74 |  | ​ | (22,736) |  | ​ | 153,861
State and municipal obligations |  | ​ | 394,013 |  | ​ | 834 |  | ​ | (29,211) |  | ​ | 365,636
Municipal taxable |  | ​ | 40,200 |  | ​ | 83 |  | ​ | (3,710) |  | ​ | 36,573
Collateralized debt obligations |  | ​ | — |  | ​ | 2,843 |  | ​ | — |  | ​ | 2,843
TOTAL | ​ | $ | 1,308,034 | ​ | $ | 4,828 | ​ | $ | (126,755) | ​ | $ | 1,186,107
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2024
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | ​ | ​
(Dollar amounts in thousands) | ​ | Cost |  | Gains |  | Losses |  | Fair Value
U.S. Government agencies | ​ | $ | 90,649 | ​ | $ | 3 | ​ | $ | (11,670) | ​ | $ | 78,982
Mortgage Backed Securities-residential | ​ | ​ | 630,556 | ​ | ​ | 15 | ​ | ​ | (89,251) | ​ | ​ | 541,320
Mortgage Backed Securities-commercial |  | ​ | 14,182 |  | ​ | 2 |  | ​ | (523) |  | ​ | 13,661
Collateralized mortgage obligations |  | ​ | 190,552 |  | ​ | 29 |  | ​ | (27,555) |  | ​ | 163,026
State and municipal obligations |  | ​ | 394,696 |  | ​ | 171 |  | ​ | (34,539) |  | ​ | 360,328
Municipal taxable |  | ​ | 41,162 |  | ​ | 11 |  | ​ | (5,396) |  | ​ | 35,777
Collateralized debt obligations |  | ​ | — |  | ​ | 2,896 |  | ​ | — |  | ​ | 2,896
TOTAL | ​ | $ | 1,361,797 | ​ | $ | 3,127 | ​ | $ | (168,934) | ​ | $ | 1,195,990
Schedule of contractual maturities of debt securities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Available-for-Sale
​ | ​ | Amortized | ​ | Fair
(Dollar amounts in thousands) |  | Cost |  | Value
Due in one year or less | ​ | $ | 11,654 | ​ | $ | 11,621
Due after one but within five years | ​ | ​ | 44,532 | ​ | ​ | 43,683
Due after five but within ten years |  | ​ | 131,477 |  | ​ | 128,522
Due after ten years |  | ​ | 334,109 |  | ​ | 300,408
​ |  | ​ | 521,772 |  | ​ | 484,234
Mortgage-backed securities and collateralized mortgage obligations |  | ​ | 786,262 |  | ​ | 701,873
TOTAL | ​ | $ | 1,308,034 | ​ | $ | 1,186,107
Schedule of gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities have been in continuous unrealized loss position | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2025
​ | ​ | Less Than 12 Months |  | More Than 12 Months |  | Total
​ | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized
(Dollar amounts in thousands) | ​ | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
U.S. Government agencies | ​ | $ | 2,970 | ​ | $ | (21) | ​ | $ | 70,049 | ​ | $ | (8,451) | ​ | $ | 73,019 | ​ | $ | (8,472)
Mortgage Backed Securities - Residential |  | ​ | 10,126 | ​ | ​ | (1) | ​ | ​ | 462,925 | ​ | ​ | (62,312) | ​ | ​ | 473,051 | ​ | ​ | (62,313)
Mortgage Backed Securities - Commercial | ​ | ​ | 5,963 | ​ | ​ | (138) | ​ | ​ | 5,246 | ​ | ​ | (175) | ​ | ​ | 11,209 | ​ | ​ | (313)
Collateralized mortgage obligations |  | ​ | — |  | ​ | — |  | ​ | 144,998 |  | ​ | (22,736) |  | ​ | 144,998 |  | ​ | (22,736)
State and municipal obligations |  | ​ | 36,044 | ​ | ​ | (358) | ​ | ​ | 225,304 | ​ | ​ | (28,853) | ​ | ​ | 261,348 | ​ | ​ | (29,211)
Municipal taxable |  | ​ | — |  | ​ | — |  | ​ | 32,079 |  | ​ | (3,710) |  | ​ | 32,079 |  | ​ | (3,710)
Total temporarily impaired securities | ​ | $ | 55,103 | ​ | $ | (518) | ​ | $ | 940,601 | ​ | $ | (126,237) | ​ | $ | 995,704 | ​ | $ | (126,755)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2024
​ | ​ | Less Than 12 Months |  | More Than 12 Months |  | Total
​ | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized
(Dollar amounts in thousands) |  | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
U.S. Government agencies | ​ | $ | 3,696 | ​ | $ | (107) | ​ | $ | 74,636 | ​ | $ | (11,563) | ​ | $ | 78,332 | ​ | $ | (11,670)
Mortgage Backed Securities - Residential | ​ | ​ | 51,996 | ​ | ​ | (1,113) | ​ | ​ | 481,270 | ​ | ​ | (88,138) |  | ​ | 533,266 |  | ​ | (89,251)
Mortgage Backed Securities - Commercial | ​ | ​ | 6,937 | ​ | ​ | (161) | ​ | ​ | 5,388 | ​ | ​ | (362) | ​ | ​ | 12,325 | ​ | ​ | (523)
Collateralized mortgage obligations |  | ​ | 85 |  | ​ | — |  | ​ | 158,244 |  | ​ | (27,555) |  | ​ | 158,329 |  | ​ | (27,555)
State and municipal obligations | ​ | ​ | 89,321 | ​ | ​ | (953) | ​ | ​ | 232,247 | ​ | ​ | (33,586) |  | ​ | 321,568 |  | ​ | (34,539)
Municipal taxable |  | ​ | 1,587 |  | ​ | (20) |  | ​ | 31,918 |  | ​ | (5,376) |  | ​ | 33,505 |  | ​ | (5,396)
Total temporarily impaired securities | ​ | $ | 153,622 | ​ | $ | (2,354) | ​ | $ | 983,703 | ​ | $ | (166,580) | ​ | $ | 1,137,325 | ​ | $ | (168,934)
Schedule of credit losses recognized in earnings | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30, | ​
(Dollar amounts in thousands) |  | 2025 |  | 2024 | ​ | 2025 |  | 2024 | ​
Beginning balance | ​ | $ | 2,974 | ​ | $ | 2,974 | ​ | $ | 2,974 | ​ | $ | 2,974 | ​
Reductions for securities called during the period |  | ​ | — |  | ​ | — | ​ | ​ | — |  | ​ | — | ​
Ending balance | ​ | $ | 2,974 | ​ | $ | 2,974 | ​ | $ | 2,974 | ​ | $ | 2,974 | ​
​

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