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CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Interest income: |  |  |  |
Interest and fees on loans | $ 69,498 | $ 53,706 | $ 184,233 | $ 157,865
Interest and dividends on taxable investments | 15,228 | 13,344 | 43,969 | 40,956
Interest on nontaxable investments | 3,761 | 4,272 | 11,665 | 13,367
Total interest income | 88,487 | 71,322 | 239,867 | 212,188
Interest expense: |  |  |  |
Interest on deposits | 2,123 | 1,776 | 5,918 | 5,542
Interest on borrowings | 902 | 337 | 1,443 | 835
Interest on subordinated debt held by unconsolidated subsidiary trusts | 1,067 | 746 | 2,808 | 2,161
Total interest expense | 4,092 | 2,859 | 10,169 | 8,538
Net interest income | 84,395 | 68,463 | 229,698 | 203,650
Provision for loan losses | 2,314 | 1,790 | 5,603 | 5,436
Net interest income after provision for loan losses | 82,081 | 66,673 | 224,095 | 198,214
Noninterest revenues: |  |  |  |
Deposit service fees | 18,419 | 14,894 | 49,781 | 43,636
Other banking services | 1,704 | 2,863 | 4,270 | 6,039
Employee benefit services | 20,767 | 11,267 | 58,618 | 34,949
Insurance revenues | 6,344 | 5,702 | 19,709 | 17,340
Wealth management services | 5,707 | 5,226 | 16,105 | 15,041
Gain on sales of investment securities | 0 | 0 | 2 | 0
Total noninterest revenues | 52,941 | 39,952 | 148,485 | 117,005
Noninterest expenses: |  |  |  |
Salaries and employee benefits | 46,568 | 38,300 | 132,776 | 115,388
Occupancy and equipment | 9,106 | 7,373 | 25,939 | 22,445
Data processing and communications | 9,313 | 8,744 | 28,229 | 25,886
Amortization of intangible assets | 4,949 | 1,359 | 11,980 | 4,204
Legal and professional fees | 2,764 | 1,928 | 7,796 | 6,302
Office supplies and postage | 2,027 | 1,713 | 5,510 | 5,336
Business development and marketing | 2,586 | 2,004 | 7,119 | 6,167
FDIC insurance premiums | 827 | 707 | 2,505 | 2,899
Acquisition expenses | 580 | 2 | 25,192 | 342
Other expenses | 5,056 | 4,096 | 13,184 | 11,282
Total noninterest expenses | 83,776 | 66,226 | 260,230 | 200,251
Income before income taxes | 51,246 | 40,399 | 112,350 | 114,968
Income taxes | 16,003 | 13,239 | 33,659 | 37,548
Net income | $ 35,243 | $ 27,160 | $ 78,691 | $ 77,420
Basic earnings per share (in dollars per share) | $ 0.69 | $ 0.61 | $ 1.62 | $ 1.75
Diluted earnings per share (in dollars per share) | 0.68 | 0.61 | 1.60 | 1.74
Cash dividends declared per share (in dollars per share) | $ 0.34 | $ 0.32 | $ 0.98 | $ 0.94

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- Definition Total aggregate amount of all noninterest expense. + 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 210.9-04.14) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. + 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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- Definition Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense. + 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 210.9-04.14(b)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.6) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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