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Consolidated Statements of Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Interest Income |  |  |
Loans | $ 223,047 | $ 198,226 | $ 176,654
Investment securities and other | 11,947 | 7,723 | 6,407
Interest and Dividend Income, Operating | 234,994 | 205,949 | 183,061
Interest Expense |  |  |
Deposits | 45,570 | 27,957 | 20,595
Federal Home Loan Bank advances | 0 | 3,985 | 1,516
Short-term borrowings and repurchase agreements | 3,635 | 765 | 747
Subordinated debentures issued to capital trust | 1,019 | 953 | 949
Subordinated notes | 4,378 | 4,097 | 4,098
Interest Expense | 54,602 | 37,757 | 27,905
Net Interest Income | 180,392 | 168,192 | 155,156
Provision for Loan Losses | 6,150 | 7,150 | 9,100
Net Interest Income After Provision for Loan Losses | 174,242 | 161,042 | 146,056
Noninterest Income |  |  |
Commissions | 889 | 1,137 | 1,041
Service charges and ATM fees | 20,898 | 21,695 | 21,628
Net gains on loan sales | 2,607 | 1,788 | 3,150
Net realized gains (losses) on sales of available-for-sale securities | (62) | 2 | 0
Late charges and fees on loans | 1,432 | 1,622 | 2,231
Gain (loss) on derivative interest rate products | (104) | 25 | 28
Gain on sale of business units | 0 | 7,414 | 0
Gain (loss) on termination of loss sharing agreements | 0 | 0 | 7,705
Amortization of income/expense related to business acquisitions | 0 | 0 | (486)
Other income | 5,297 | 2,535 | 3,230
Noninterest Income | 30,957 | 36,218 | 38,527
Noninterest Expense |  |  |
Salaries and employee benefits | 63,224 | 60,215 | 60,034
Net occupancy expense | 26,217 | 25,628 | 24,613
Postage | 3,198 | 3,348 | 3,461
Insurance | 2,015 | 2,674 | 2,959
Advertising | 2,808 | 2,460 | 2,311
Office supplies and printing | 1,077 | 1,047 | 1,446
Telephone | 3,580 | 3,272 | 3,188
Legal, audit and other professional fees | 2,624 | 3,423 | 2,862
Expense on other real estate and repossessions | 2,184 | 4,919 | 3,929
Partnership Tax Credit Investment Amortization | 365 | 575 | 930
Acquired deposit intangible asset amortization | 1,190 | 1,562 | 1,650
Other operating expenses | 6,656 | 6,187 | 6,878
Noninterest Expense | 115,138 | 115,310 | 114,261
Income Before Income Taxes | 90,061 | 81,950 | 70,322
Provision for Income Taxes | 16,449 | 14,841 | 18,758
Net Income and Net Income Available to Common Shareholders | $ 73,612 | $ 67,109 | $ 51,564
Earnings Per Common Share |  |  |
Basic | $ 5.18 | $ 4.75 | $ 3.67
Diluted | $ 5.14 | $ 4.71 | $ 3.64

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