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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME shares in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) $ / shares shares
Interest income |  |  |
Interest and fees on loans |  | $ 79,527 | $ 66,799
Interest on investment securities |  | 14,092 | 8,802
Interest on federal funds sold and due from banks |  | 1,461 | 995
Total interest income |  | 95,080 | 76,596
Interest expense |  |  |
Interest on interest-bearing transaction accounts |  | 226 | 108
Interest on savings accounts |  | 72 | 66
Interest on money market accounts |  | 1,355 | 555
Interest on time accounts |  | 542 | 576
Interest on FHLB and overnight borrowings |  | 2 | 0
Interest on subordinated debentures |  | 1,339 | 439
Total interest expense |  | 3,536 | 1,744
Net interest income |  | 91,544 | 74,852
Provision for loan losses |  | 0 | 500
Net interest income after provision for loan losses |  | 91,544 | 74,352
Non-interest income |  |  |
Earnings on bank-owned life Insurance |  | 913 | 845
Dividends on FHLB stock |  | 959 | 766
Gains (losses) on investment securities, net |  | 876 | (185)
Other income |  | 1,642 | 1,039
Total non-interest income |  | 10,139 | 8,268
Non-interest expense |  |  |
Salaries and related benefits |  | 33,335 | 29,958
Occupancy and equipment |  | 5,976 | 5,472
Depreciation and amortization |  | 2,143 | 1,941
Federal Deposit Insurance Corporation insurance |  | 756 | 666
Data processing |  | 4,358 | 4,906
Professional services |  | 3,317 | 2,858
Directors' expense |  | 700 | 720
Information technology |  | 1,023 | 769
Provision for losses on off-balance sheet commitments |  | 0 | 57
Other expense |  | 6,658 | 6,435
Total non-interest expense |  | 58,266 | 53,782
Income before provision for income taxes |  | 43,417 | 28,838
Provision for income taxes |  | 10,795 | 12,862
Net income |  | $ 32,622 | $ 15,976
Net income per common share |  |  |
Basic (in dollars per share) | $ / shares | [1] | $ 2.35 | $ 1.29
Diluted (in dollars per share) | $ / shares | [1] | $ 2.33 | $ 1.27
Weighted average shares |  |  |
Basic (in shares) | shares | [1] | 13,864 | 12,392
Diluted (in shares) | shares | [1] | 14,029 | 12,545
Comprehensive income: |  |  |
Net income |  | $ 32,622 | $ 15,976
Other comprehensive (loss) income: |  |  |
Change in net unrealized gain or loss on available-for-sale securities |  | (1,707) | 3,671
Reclassification adjustment for losses on available-for-sale securities in net income |  | 79 | 185
Net unrealized loss on securities transferred from available-for-sale to held-to-maturity |  | (278) | (3,036)
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity |  | 516 | 426
Subtotal |  | (1,390) | 1,246
Deferred tax (benefit) expense |  | (412) | 439
Other comprehensive (loss) income, net of tax |  | (978) | 807
Comprehensive income |  | 31,644 | 16,783
Deposit Account |  |  |
Non-interest income |  |  |
Service charges on deposit accounts, wealth management and trust services, debit card interchange fees net, and merchant interchange fees net |  | 1,891 | 1,784
Fiduciary and Trust |  |  |
Non-interest income |  |  |
Service charges on deposit accounts, wealth management and trust services, debit card interchange fees net, and merchant interchange fees net |  | 1,919 | 2,090
Debit Card |  |  |
Non-interest income |  |  |
Service charges on deposit accounts, wealth management and trust services, debit card interchange fees net, and merchant interchange fees net |  | 1,561 | 1,531
Merchant Interchange Fees, Net |  |  |
Non-interest income |  |  |
Service charges on deposit accounts, wealth management and trust services, debit card interchange fees net, and merchant interchange fees net |  | $ 378 | $ 398
[1] | Share and per share data have been adjusted to reflect the two-for-one stock split effective November 27, 2018.

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