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GOODWILL AND OTHER INTANGIBLES (Tables) | 12 Months Ended
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Dec. 31, 2023
GOODWILL AND OTHER INTANGIBLES |
Schedule of Goodwill | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | 2023 |  | 2022
Balance at beginning of year | ​ | $ | 119,477 | ​ | $ | 119,477
Acquisition | ​ |  | — | ​ |  | —
Balance at end of year | ​ | $ | 119,477 | ​ | $ | 119,477
Schedule of Finite-Lived Intangible Assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2023
​ | ​ | Gross | ​ | Accumulated | ​ | Net Intangible
(in thousands) |  | Intangible Assets |  | Amortization |  | Assets
Core deposit intangible (non-maturity deposits) | ​ | $ | 9,483 | ​ | $ | (5,686) | ​ | $ | 3,797
Customer list and other intangibles | ​ |  | 2,118 | ​ |  | (1,046) | ​ |  | 1,072
Total | ​ | $ | 11,601 | ​ | $ | (6,732) | ​ | $ | 4,869
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2022
​ | ​ | Gross | ​ | Accumulated | ​ | Net Intangible
(in thousands) |  | Intangible Assets |  | Amortization |  | Assets
Core deposit intangible (non-maturity deposits) | ​ | $ | 9,483 | ​ | $ | (4,948) | ​ | $ | 4,535
Customer list and other intangibles | ​ |  | 2,118 | ​ |  | (852) | ​ |  | 1,266
Total | ​ | $ | 11,601 | ​ | $ | (5,800) | ​ | $ | 5,801
Schedule of Future Amortization Expense | ​
​ | ​ | ​ | ​
​ | ​ | Other Intangible
(in thousands) |  | Assets
2024 | ​ | $ | 932
2025 | ​ |  | 932
2026 | ​ |  | 932
2027 | ​ |  | 932
2028 | ​ |  | 959
and thereafter | ​ |  | 182
Total | ​ | $ | 4,869
​

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