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v3.22.4

Noninterest Income (Tables) | 12 Months Ended
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Dec. 31, 2022
Noninterest Income |
Schedule of noninterest income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended
​ | ​ | December 31,
(dollars in thousands) |  | 2022 |  | 2021 |  | 2020
Retirement and benefits | ​ | $ | 67,135 | ​ | $ | 71,709 | ​ | $ | 60,956
Wealth management | ​ |  | 20,870 | ​ |  | 21,052 | ​ | ​ | 17,451
Mortgage banking (1) | ​ |  | 16,921 | ​ |  | 48,502 | ​ | ​ | 61,641
Service charges on deposit accounts | ​ |  | 1,434 | ​ |  | 1,395 | ​ | ​ | 1,409
Net gains (losses) on investment securities (1) | ​ |  | — | ​ |  | 125 | ​ | ​ | 2,737
Other | ​ |  |  | ​ |  |  | ​ | ​ |
Interchange fees | ​ |  | 2,246 | ​ |  | 2,180 | ​ | ​ | 2,140
Bank-owned life insurance income (1) | ​ |  | 835 | ​ |  | 793 | ​ | ​ | 797
Misc. transactional fees | ​ |  | 1,429 | ​ |  | 1,218 | ​ | ​ | 1,246
Other noninterest income | ​ |  | 353 | ​ |  | 413 | ​ | ​ | 994
Total noninterest income | ​ | $ | 111,223 | ​ | $ | 147,387 | ​ | $ | 149,371
(1) | Not within the scope of ASC 606.

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