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BUSINESS SEGMENTS - Schedule of Income and Total Assets for Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Net interest income | $ 32,149 | $ 30,085 | $ 95,867 | $ 89,360 |
Noninterest income | 20,211 | 14,416 | 47,354 | 39,171 |
Total income | 52,360 | 44,501 | 143,221 | 128,531 |
Provision for loan and lease losses | 5,150 | 800 | 30,050 | 2,050 |
Compensation and employee benefits | 19,202 | 17,476 | 57,614 | 52,175 |
Premises and equipment expense | 4,109 | 3,849 | 12,188 | 10,837 |
FDIC insurance expense | 605 | (277) | 1,310 | 277 |
Other noninterest expense | 4,545 | 5,211 | 14,598 | 14,858 |
Total noninterest expense | 33,611 | 27,059 | 115,760 | 80,197 |
Income before income tax (benefit)/expense | 18,749 | 17,442 | 27,461 | 48,334 |
Income tax (benefit)/expense | 5,202 | 5,216 | 4,299 | 13,133 |
NET INCOME | 13,547 | 12,226 | 23,162 | 35,201 |
Total assets at period end | 5,958,107 | 4,925,409 | 5,958,107 | 4,925,409 | $ 5,182,879
Banking [Member] |  |  |  |  |
Net interest income | 30,557 | 28,836 | 91,419 | 85,336 |
Noninterest income | 9,451 | 4,561 | 16,036 | 9,991 |
Total income | 40,008 | 33,397 | 107,455 | 95,327 |
Provision for loan and lease losses | 5,150 | 800 | 30,050 | 2,050 |
Compensation and employee benefits | 13,258 | 11,776 | 40,239 | 36,458 |
Premises and equipment expense | 3,527 | 3,294 | 10,435 | 9,265 |
FDIC insurance expense | 605 | (277) | 1,310 | 277 |
Other noninterest expense | 2,231 | 2,985 | 7,889 | 8,296 |
Total noninterest expense | 24,771 | 18,578 | 89,923 | 56,346 |
Income before income tax (benefit)/expense | 15,237 | 14,819 | 17,532 | 38,981 |
Income tax (benefit)/expense | 4,254 | 4,399 | 1,618 | 10,592 |
NET INCOME | 10,983 | 10,420 | 15,914 | 28,389 |
Total assets at period end | 5,878,481 | 4,840,002 | 5,878,481 | 4,840,002 |
Wealth Management Division [Member] |  |  |  |  |
Net interest income | 1,592 | 1,249 | 4,448 | 4,024 |
Noninterest income | 10,760 | 9,855 | 31,318 | 29,180 |
Total income | 12,352 | 11,104 | 35,766 | 33,204 |
Provision for loan and lease losses | 0 | 0 | 0 | 0 |
Compensation and employee benefits | 5,944 | 5,700 | 17,375 | 15,717 |
Premises and equipment expense | 582 | 555 | 1,753 | 1,572 |
FDIC insurance expense | 0 | 0 | 0 | 0 |
Other noninterest expense | 2,314 | 2,226 | 6,709 | 6,562 |
Total noninterest expense | 8,840 | 8,481 | 25,837 | 23,851 |
Income before income tax (benefit)/expense | 3,512 | 2,623 | 9,929 | 9,353 |
Income tax (benefit)/expense | 948 | 817 | 2,681 | 2,541 |
NET INCOME | 2,564 | 1,806 | 7,248 | 6,812 |
Total assets at period end | $ 79,626 | $ 85,407 | $ 79,626 | $ 85,407 |

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