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Note 7 - Goodwill and Intangibles (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Notes Tables |
Changes in carrying amount of goodwill | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022 |  | 2021
​ | ​ | (dollars in thousands)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at the beginning of period | ​ | $ | 137,607 | ​ | $ | 74,066 | ​ | $ | 74,066
Acquisition of GFED | ​ | ​ | — | ​ | ​ | 63,541 | ​ | ​ | —
Acquisition of GFED - measurement period adjustment | ​ | ​ | 1,420 | ​ | ​ | — | ​ | ​ | —
Balance at the end of period | ​ | $ | 139,027 | ​ | $ | 137,607 | ​ | $ | 74,066
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of goodwill by reportable segment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023 | ​ | December 31, 2022 | ​ | December 31, 2021
​ | ​ | (dollars in thousands)
Commercial banking: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
QCBT | ​ | $ | 3,223 | ​ | $ | 3,223 | ​ | $ | 3,223
CRBT | ​ |  | 14,980 | ​ |  | 14,980 | ​ |  | 14,980
CSB | ​ | ​ | 9,888 | ​ | ​ | 9,888 | ​ | ​ | 9,888
GB | ​ |  | 110,936 | ​ |  | 109,516 | ​ |  | 45,975
​ | ​ | $ | 139,027 | ​ | $ | 137,607 | ​ | $ | 74,066
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of core deposit intangibles by reportable segment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023 | ​ | December 31, 2022 | ​ | December 31, 2021
​ | ​ | (dollars in thousands)
Commercial Banking: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
CRBT | ​ | $ | 883 | ​ | $ | 1,225 | ​ | $ | 1,702
CSB | ​ | ​ | 1,430 | ​ | ​ | 2,027 | ​ | ​ | 2,653
GB | ​ | ​ | 11,508 | ​ | ​ | 13,507 | ​ | ​ | 4,994
​ | ​ | $ | 13,821 | ​ | $ | 16,759 | ​ | $ | 9,349
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Core Deposits [Member] |
Notes Tables |
Changes in Intangibles | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 | ​ | 2022 | ​ | 2021
​ | ​ | (dollars in thousands)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at the beginning of the period | ​ | $ | 16,759 | ​ | $ | 9,349 | ​ | $ | 11,381
Acquisition of GFED | ​ |  | — | ​ |  | 10,264 | ​ |  | —
Amortization expense | ​ |  | (2,938) | ​ |  | (2,854) | ​ |  | (2,032)
Balance at the end of the period | ​ | $ | 13,821 | ​ | $ | 16,759 | ​ | $ | 9,349
​ | ​ |  |  | ​ |  |  | ​ |  |
Gross carrying amount | ​ | $ | 29,519 | ​ | $ | 29,519 | ​ | $ | 19,255
Accumulated amortization | ​ |  | (15,698) | ​ |  | (12,760) | ​ |  | (9,906)
Net book value | ​ | $ | 13,821 | ​ | $ | 16,759 | ​ | $ | 9,349
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Estimated amortization of intangible assets | ​
​ | ​ | ​ | ​
​ |  | Amount
Years ending December 31, | ​ | (dollars in thousands)
2024 | ​ | $ | 2,761
2025 | ​ |  | 2,645
2026 | ​ |  | 2,360
2027 | ​ |  | 1,874
2028 | ​ |  | 1,316
Thereafter | ​ |  | 2,865
​ | ​ | $ | 13,821
​ | ​ | ​ | ​
​

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