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CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
INTEREST INCOME |  |  |  |
Loans, including fees |  | $ 300,625 | $ 269,811 | $ 243,315
Investment Securities: |  |  |  |
Taxable |  | 14,733 | 14,342 | 11,947
Tax-exempt |  | 3,302 | 3,449 | 3,615
Dividends |  | 1,824 | 2,224 | 1,765
Total Interest Income |  | 320,484 | 289,826 | 260,642
INTEREST EXPENSE |  |  |  |
Deposits |  | 63,026 | 40,856 | 25,330
Borrowings and junior subordinated debt securities |  | 10,667 | 14,532 | 9,579
Total Interest Expense |  | 73,693 | 55,388 | 34,909
NET INTEREST INCOME |  | 246,791 | 234,438 | 225,733
Provision for loan losses |  | 14,873 | 14,995 | 13,883
Net Interest Income After Provision for Loan Losses |  | 231,918 | 219,443 | 211,850
NONINTEREST INCOME |  |  |  |
Net (loss)/gain on sale of securities |  | (26) | 0 | 3,000
Commercial loan swap income |  | 5,503 | 1,225 | 503
Mortgage banking |  | 2,491 | 2,762 | 2,915
Insurance |  | 355 | 505 | 5,371
Gain on sale of a majority interest of insurance business |  | 0 | 1,873 | 0
Other |  | 8,891 | 6,957 | 9,428
Total Noninterest Income |  | 52,558 | 49,181 | 55,462
NONINTEREST EXPENSE |  |  |  |
Salaries and employee benefits |  | 83,986 | 76,108 | 80,776
Data processing and information technology |  | 14,468 | 10,633 | 8,801
Net occupancy |  | 12,103 | 11,097 | 10,994
Merger-related |  | 11,350 | 0 | 0
Furniture, equipment and software |  | 8,958 | 8,083 | 7,946
Marketing |  | 4,631 | 4,192 | 3,659
Professional services and legal |  | 4,244 | 4,132 | 4,096
Other taxes |  | 3,364 | 6,183 | 4,509
FDIC insurance |  | 758 | 3,238 | 4,543
Other |  | 23,254 | 21,779 | 22,583
Total Noninterest Expense |  | 167,116 | 145,445 | 147,907
Income Before Taxes |  | 117,360 | 123,179 | 119,405
Provision for income taxes |  | 19,126 | 17,845 | 46,437
Net Income |  | $ 98,234 | $ 105,334 | $ 72,968
Earnings per common share—basic (in USD per share) |  | $ 2.84 | $ 3.03 | $ 2.10
Earnings per common share—diluted (in USD per share) |  | 2.82 | 3.01 | 2.09
Dividends declared per common share (in USD per share) |  | $ 1.09 | $ 0.99 | $ 0.82
Debit and credit card |  |  |  |
NONINTEREST INCOME |  |  |  |
Revenue from contract with customer | [1] | $ 13,405 | $ 12,679 | $ 12,029
Service charges on deposit accounts |  |  |  |
NONINTEREST INCOME |  |  |  |
Revenue from contract with customer | [1] | 13,316 | 13,096 | 12,458
Wealth management |  |  |  |
NONINTEREST INCOME |  |  |  |
Revenue from contract with customer | [1] | 8,623 | 10,084 | 9,758
Majority Interest of Insurance Business |  |  |  |
NONINTEREST INCOME |  |  |  |
Gain on sale of a majority interest of insurance business |  | $ 0 | $ 1,873 | $ 0
[1] | Refer to Note 1. Summary of Significant Accounting Policies for the types of revenue streams that are included within each category.

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- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
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