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CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
INTEREST INCOME |  |  |
Loans, including fees | $ 243,315 | $ 212,301 | $ 188,012
Investment Securities: |  |  |
Taxable | 11,947 | 10,340 | 9,792
Tax-exempt | 3,615 | 3,658 | 3,954
Dividends | 1,765 | 1,475 | 1,790
Total Interest Income | 260,642 | 227,774 | 203,548
INTEREST EXPENSE |  |  |
Deposits | 25,330 | 19,692 | 12,944
Borrowings and junior subordinated debt securities | 9,579 | 4,823 | 3,053
Total Interest Expense | 34,909 | 24,515 | 15,997
NET INTEREST INCOME | 225,733 | 203,259 | 187,551
Provision for loan losses | 13,883 | 17,965 | 10,388
Net Interest Income After Provision for Loan Losses | 211,850 | 185,294 | 177,163
NONINTEREST INCOME |  |  |
Securities gains (losses), net | 3,000 | 0 | (34)
Service charges on deposit accounts | 12,458 | 12,512 | 11,642
Debit and credit card | 12,029 | 11,943 | 12,113
Wealth management | 9,758 | 10,456 | 11,444
Insurance | 5,418 | 5,253 | 5,500
Mortgage banking | 2,915 | 2,879 | 2,554
Bank owned life insurance | 2,756 | 2,122 | 2,221
Gain on sale of credit card portfolio | 0 | 2,066 | 0
Other | 7,128 | 7,404 | 5,593
Total Noninterest Income | 55,462 | 54,635 | 51,033
NONINTEREST EXPENSE |  |  |
Salaries and employee benefits | 80,776 | 77,325 | 68,252
Net occupancy | 10,994 | 11,057 | 10,652
Data processing | 8,801 | 8,837 | 9,560
Furniture, equipment and software | 7,946 | 7,290 | 6,093
FDIC insurance | 4,543 | 3,984 | 3,416
Other taxes | 4,509 | 4,050 | 3,616
Professional services and legal | 4,096 | 3,466 | 3,006
Marketing | 3,659 | 3,713 | 4,224
Merger-related expenses | 0 | 0 | 3,167
Other | 22,583 | 23,510 | 24,731
Total Noninterest Expense | 147,907 | 143,232 | 136,717
Income Before Taxes | 119,405 | 96,697 | 91,479
Provision for income taxes | 46,437 | 25,305 | 24,398
Net Income | $ 72,968 | $ 71,392 | $ 67,081
Earnings per common share—basic (in USD per share) | $ 2.10 | $ 2.06 | $ 1.98
Earnings per common share—diluted (in USD per share) | 2.09 | 2.05 | 1.98
Dividends declared per common share (in USD per share) | $ 0.82 | $ 0.77 | $ 0.73

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- Definition Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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