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GOODWILL AND INTANGIBLE ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2024
GOODWILL AND INTANGIBLE ASSETS |
Schedule of goodwill | Goodwill was as follows at year-end: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2024 |  | 2023 |  | 2022
Beginning of year | ​ | $ | 86,985 | ​ | $ | 86,985 | ​ | $ | 86,135
Acquired goodwill | ​ |  | 13,041 | ​ |  | — | ​ |  | 850
Impairment | ​ |  | — | ​ |  | — | ​ |  | —
End of year | ​ | $ | 100,026 | ​ | $ | 86,985 | ​ | $ | 86,985
Schedule of intangible assets subject to amortization | ​ Intangible assets subject to amortization at December 31, 2024 and 2023 are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2024 |  | 2023
​ | ​ | Gross | ​ | Accumulated | ​ | Gross | ​ | Accumulated
(Dollar amounts in thousands) | ​ | Amount | ​ | Amortization | ​ | Amount | ​ | Amortization
Core deposit intangible | ​ | $ | 21,858 | ​ | $ | 17,159 | ​ | $ | 21,857 | ​ | $ | 16,271
Acquired core deposit intangible | ​ |  | 19,788 | ​ |  | 2,942 | ​ |  | — | ​ |  | —
​ | ​ | $ | 41,646 | ​ | $ | 20,101 | ​ | $ | 21,857 | ​ | $ | 16,271
​
Schedule of estimated amortization expense | Estimated amortization expense for the next five years is as follows: ​
​ | ​ | ​ | ​
​ |  | In thousands
2025 | ​ | $ | 5,310
2026 | ​ |  | 4,015
2027 | ​ |  | 2,995
2028 | ​ |  | 2,888
2029 | ​ |  | 2,471
​

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