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CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Fee Revenue and Other Income: |  |  |  |
Information services payment and processing revenue |  | $ 107,953 | $ 102,181 | $ 93,322
Bank service fees |  | 1,386 | 1,335 | 1,349
Gains (losses) on sales of securities |  | 19 | (42) |
Other |  | 711 | 602 | 841
Total fee revenue and other income |  | 110,069 | 104,076 | 95,512
Interest Income: |  |  |  |
Interest and fees on loans |  | 36,461 | 32,477 | 28,641
Interest and dividends on securities: |  |  |  |
Taxable |  | 2,497 | 2,104 | 554
Exempt from federal income taxes |  | 7,839 | 9,063 | 10,439
Interest on federal funds sold and other short-term investments |  | 5,812 | 4,282 | 2,343
Total interest income |  | 52,609 | 47,926 | 41,977
Interest Expense: |  |  |  |
Interest on deposits |  | 5,191 | 3,736 | 2,187
Interest on short-term borrowings |  | 2 |  |
Total interest expense |  | 5,193 | 3,736 | 2,187
Net interest income |  | 47,416 | 44,190 | 39,790
Provision for loan losses |  | 250 |  |
Net interest income after provision for loan losses |  | 47,166 | 44,190 | 39,790
Total net revenue |  | 157,235 | 148,266 | 135,302
Operating Expense: |  |  |  |
Personnel |  | 91,083 | 85,881 | 77,339
Occupancy |  | 3,918 | 3,723 | 3,480
Equipment |  | 6,140 | 5,610 | 5,071
Amortization of intangible assets |  | 563 | 442 | 427
Other operating |  | 18,065 | 16,263 | 14,086
Total operating expense |  | 119,769 | 111,919 | 100,403
Income before income tax expense |  | 37,466 | 36,347 | 34,899
Income tax expense | [1] | 7,062 | 6,079 | 9,885
Net income |  | $ 30,404 | $ 30,268 | $ 25,014
Basic Earnings Per Share |  | $ 2.11 | $ 2.06 | $ 1.70
Diluted Earnings Per Share |  | $ 2.07 | $ 2.03 | $ 1.68
[1] | Presented on a tax-equivalent basis assuming a tax rate of 21% for 2019 and 2018 and 35% for 2017. The tax-equivalent adjustment was approximately $2,084,000 for 2019, $2,422,000 for 2018, and $5,691,000 for 2017.

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