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BUSINESS SEGMENTS - Schedule of Income and Total Assets for Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Net interest income | $ 48,040 | $ 45,525 | $ 42,893 | $ 39,622 | $ 37,212 | $ 35,211 | $ 33,845 | $ 31,793 | $ 176,080 |  | $ 138,061 |  | $ 127,602 |
Noninterest income |  |  |  |  |  |  |  |  | 66,417 |  | 72,243 |  | 61,760 |
Total income |  |  |  |  |  |  |  |  | 242,497 |  | 210,304 |  | 189,362 |
Provision for credit losses/ loan losses | 1,930 | 599 | 1,449 | 2,375 | 3,750 | 1,600 | 900 | 225 | 6,353 | [1] | 6,475 | [1] | 32,400 | [1]
Compensation and benefits |  |  |  |  |  |  |  |  | 89,476 |  | 81,864 |  | 77,516 |
Premises and equipment expense |  |  |  |  |  |  |  |  | 18,719 |  | 17,165 |  | 16,377 |
FDIC insurance expense |  |  |  |  |  |  |  |  | 1,939 |  | 2,071 |  | 1,975 |
Other noninterest expense |  |  |  |  |  |  |  |  | 23,666 |  | 25,067 |  | 29,091 |
Total noninterest expense |  |  |  |  |  |  |  |  | 140,153 |  | 132,642 |  | 157,359 |
Income before income tax expense | 29,510 | 27,749 | 27,293 | 17,792 | 20,722 | 19,207 | 19,939 | 17,794 | 102,344 |  | 77,662 |  | 32,003 |
Income tax expense | 8,931 | 7,623 | 7,193 | 4,351 | 5,867 | 5,036 | 5,521 | 4,616 | 28,098 |  | 21,040 |  | 5,811 |
Net income | 20,579 | $ 20,126 | $ 20,100 | $ 13,441 | 14,855 | $ 14,171 | $ 14,418 | $ 13,178 | 74,246 |  | 56,622 |  | 26,192 |
Total assets at period end | 6,353,593 |  |  |  | 6,077,993 |  |  |  | 6,353,593 |  | 6,077,993 |  | 5,890,442 |
Banking Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net interest income |  |  |  |  |  |  |  |  | 167,893 |  | 132,195 |  | 121,583 |
Noninterest income |  |  |  |  |  |  |  |  | 9,919 |  | 17,342 |  | 19,104 |
Total income |  |  |  |  |  |  |  |  | 177,812 |  | 149,537 |  | 140,687 |
Provision for credit losses/ loan losses |  |  |  |  |  |  |  |  | 6,353 |  | 6,475 |  | 32,400 |
Compensation and benefits |  |  |  |  |  |  |  |  | 61,975 |  | 56,970 |  | 54,044 |
Premises and equipment expense |  |  |  |  |  |  |  |  | 15,774 |  | 14,805 |  | 14,056 |
FDIC insurance expense |  |  |  |  |  |  |  |  | 1,939 |  | 2,071 |  | 1,975 |
Other noninterest expense |  |  |  |  |  |  |  |  | 13,590 |  | 14,407 |  | 19,694 |
Total noninterest expense |  |  |  |  |  |  |  |  | 99,631 |  | 94,728 |  | 122,169 |
Income before income tax expense |  |  |  |  |  |  |  |  | 78,181 |  | 54,809 |  | 18,518 |
Income tax expense |  |  |  |  |  |  |  |  | 21,453 |  | 14,847 |  | 2,170 |
Net income |  |  |  |  |  |  |  |  | 56,728 |  | 39,962 |  | 16,348 |
Total assets at period end | 6,256,664 |  |  |  | 5,973,343 |  |  |  | 6,256,664 |  | 5,973,343 |  | 5,798,770 |
Wealth Management Division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net interest income |  |  |  |  |  |  |  |  | 8,187 |  | 5,866 |  | 6,019 |
Noninterest income |  |  |  |  |  |  |  |  | 56,498 |  | 54,901 |  | 42,656 |
Total income |  |  |  |  |  |  |  |  | 64,685 |  | 60,767 |  | 48,675 |
Provision for credit losses/ loan losses |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Compensation and benefits |  |  |  |  |  |  |  |  | 27,501 |  | 24,894 |  | 23,472 |
Premises and equipment expense |  |  |  |  |  |  |  |  | 2,945 |  | 2,360 |  | 2,321 |
FDIC insurance expense |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Other noninterest expense |  |  |  |  |  |  |  |  | 10,076 |  | 10,660 |  | 9,397 |
Total noninterest expense |  |  |  |  |  |  |  |  | 40,522 |  | 37,914 |  | 35,190 |
Income before income tax expense |  |  |  |  |  |  |  |  | 24,163 |  | 22,853 |  | 13,485 |
Income tax expense |  |  |  |  |  |  |  |  | 6,645 |  | 6,193 |  | 3,641 |
Net income |  |  |  |  |  |  |  |  | 17,518 |  | 16,660 |  | 9,844 |
Total assets at period end | $ 96,929 |  |  |  | $ 104,650 |  |  |  | $ 96,929 |  | $ 104,650 |  | $ 91,672 |
[1] | (1) Commencing on January 1, 2022, the allowance calculation is based on the current expected credit loss ("CECL") methodology. Prior to January 1, 2022, the calculation was based on the incurred loss methodology.

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