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Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Interest income |  |  |  |
Loans | $ 17,591 | $ 14,280 | $ 34,154 | $ 27,806
Investment securities | 430 | 390 | 798 | 766
Federal funds sold | 514 | 261 | 761 | 318
Total interest income | 18,535 | 14,931 | 35,713 | 28,890
Interest expense |  |  |  |
Deposits | 3,524 | 1,739 | 6,263 | 2,989
Borrowings | 399 | 840 | 797 | 1,942
Total interest expense | 3,923 | 2,579 | 7,060 | 4,931
Net interest income | 14,612 | 12,352 | 28,653 | 23,959
Provision for loan losses | 400 | 500 | 900 | 1,000
Net interest income after provision for loan losses | 14,212 | 11,852 | 27,753 | 22,959
Noninterest income |  |  |  |
Mortgage banking income | 1,629 | 1,603 | 2,957 | 2,660
Service fees on deposit accounts | 256 | 284 | 512 | 561
ATM and debit card income | 371 | 290 | 705 | 552
Income from bank owned life insurance | 220 | 183 | 441 | 366
Other income | 295 | 202 | 577 | 475
Total noninterest income | 2,771 | 2,562 | 5,192 | 4,614
Noninterest expenses |  |  |  |
Compensation and benefits | 6,365 | 5,524 | 12,208 | 10,798
Occupancy | 1,276 | 1,033 | 2,413 | 1,999
Outside service and data processing costs | 824 | 823 | 1,560 | 1,568
Insurance | 297 | 297 | 610 | 587
Professional fees | 457 | 382 | 933 | 695
Marketing | 229 | 196 | 438 | 407
Other | 531 | 507 | 1,022 | 1,069
Total noninterest expenses | 9,979 | 8,762 | 19,184 | 17,123
Income before income tax expense | 7,004 | 5,652 | 13,761 | 10,450
Income tax expense | 1,494 | 2,048 | 3,037 | 3,734
Net income available to common shareholders | $ 5,510 | $ 3,604 | $ 10,724 | $ 6,716
Earnings per common share |  |  |  |
Basic | $ 0.75 | $ 0.52 | $ 1.46 | $ 1
Diluted | $ 0.71 | $ 0.49 | $ 1.39 | $ 0.95
Weighted average common shares outstanding |  |  |  |
Basic | 7,370,709 | 6,986,948 | 7,353,867 | 6,713,608
Diluted | 7,751,146 | 7,366,208 | 7,739,082 | 7,099,381

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