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CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Interest and fees on loans |  |  |  |
Taxable | $ 50,139 | $ 46,127 | $ 149,094 | $ 132,360
Tax exempt | 234 | 208 | 720 | 627
Interest and dividends on securities |  |  |  |
Taxable | 2,209 | 2,275 | 6,956 | 7,201
Tax exempt | 1,819 | 1,570 | 5,171 | 4,367
Other interest income | 368 | 199 | 957 | 687
Total interest income | 54,769 | 50,379 | 162,898 | 145,242
Interest on deposits | 14,692 | 11,473 | 44,131 | 31,488
Interest on borrowings |  |  |  |
Short-term | 113 | 555 | 1,295 | 861
Long-term | 419 | 426 | 1,307 | 1,212
Total interest expense | 15,224 | 12,454 | 46,733 | 33,561
NET INTEREST INCOME | 39,545 | 37,925 | 116,165 | 111,681
Provision for loan losses | 1,000 | 1,100 | 2,985 | 6,100
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES | 38,545 | 36,825 | 113,180 | 105,581
NONINTEREST INCOME |  |  |  |
Wealth advisory fees | 1,736 | 1,627 | 5,002 | 4,676
Investment brokerage fees | 386 | 376 | 1,300 | 1,043
Service charges on deposit accounts | 3,654 | 4,114 | 12,791 | 11,542
Loan and service fees | 2,518 | 2,327 | 7,403 | 6,925
Merchant card fee income | 690 | 643 | 1,982 | 1,834
Bank owned life insurance income | 515 | 466 | 1,246 | 1,177
Mortgage banking income | 636 | 319 | 1,256 | 998
Net securities gains (losses) | 6 | 0 | 94 | (6)
Other income | 624 | 752 | 2,804 | 2,036
Total noninterest income | 10,765 | 10,624 | 33,878 | 30,225
NONINTEREST EXPENSE |  |  |  |
Salaries and employee benefits | 12,837 | 12,755 | 37,231 | 36,267
Net occupancy expense | 1,351 | 1,229 | 4,000 | 3,892
Equipment costs | 1,385 | 1,316 | 4,143 | 3,840
Data processing fees and supplies | 2,620 | 2,489 | 7,619 | 7,292
Corporate and business development | 999 | 891 | 3,376 | 3,070
FDIC insurance and other regulatory fees | (249) | 412 | 566 | 1,282
Professional fees | 1,479 | 934 | 3,487 | 2,716
Other expense | 2,315 | 2,174 | 6,880 | 5,346
Total noninterest expense | 22,737 | 22,200 | 67,302 | 63,705
INCOME BEFORE INCOME TAX EXPENSE | 26,573 | 25,249 | 79,756 | 72,101
Income tax expense | 5,119 | 4,679 | 14,907 | 13,053
NET INCOME | $ 21,454 | $ 20,570 | $ 64,849 | $ 59,048
BASIC WEIGHTED AVERAGE COMMON SHARES | 25,622,338 | 25,301,033 | 25,576,740 | 25,284,085
BASIC EARNINGS PER COMMON SHARE | $ 0.84 | $ 0.81 | $ 2.54 | $ 2.33
DILUTED WEIGHTED AVERAGE COMMON SHARES | 25,796,696 | 25,745,151 | 25,745,029 | 25,719,693
DILUTED EARNINGS PER COMMON SHARE | $ 0.83 | $ 0.80 | $ 2.52 | $ 2.30

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