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v3.8.0.1

Consolidated Statements of Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Interest income: |  |  |
Loans, including fees | $ 534,804 | $ 458,094 | $ 433,872
Securities: |  |  |
Taxable | 92,979 | 103,025 | 112,601
Tax-exempt | 222,620 | 210,918 | 194,793
Interest-bearing deposits | 41,608 | 16,103 | 8,123
Federal funds sold and resell agreements | 936 | 272 | 107
Total interest income | 892,947 | 788,412 | 749,496
Interest expense: |  |  |
Deposits | 17,188 | 7,248 | 9,024
Federal funds purchased and repurchase agreements | 1,522 | 204 | 167
Junior subordinated deferrable interest debentures | 3,955 | 3,281 | 2,725
Other long-term borrowings | 3,860 | 1,343 | 948
Total interest expense | 26,525 | 12,076 | 12,864
Net interest income | 866,422 | 776,336 | 736,632
Provision for loan losses | 35,460 | 51,673 | 51,845
Net interest income after provision for loan losses | 830,962 | 724,663 | 684,787
Non-interest income: |  |  |
Trust and investment management fees | 110,675 | 104,240 | 105,512
Service charges on deposit accounts | 84,182 | 81,203 | 81,350
Insurance commissions and fees | 46,169 | 47,154 | 48,926
Interchange and debit card transaction fees | 23,232 | 21,369 | 19,666
Other charges, commissions and fees | 39,931 | 39,623 | 37,551
Net gain (loss) on securities transactions | (4,941) | 14,975 | 69
Other | 37,222 | 41,144 | 35,656
Total non-interest income | 336,470 | 349,708 | 328,730
Non-interest expense: |  |  |
Salaries and wages | 337,068 | 318,665 | 310,504
Employee benefits | 74,575 | 72,615 | 69,746
Net occupancy | 75,971 | 71,627 | 65,690
Technology, furniture and equipment | 74,335 | 71,208 | 64,373
Deposit insurance | 20,128 | 17,428 | 14,519
Intangible amortization | 1,703 | 2,429 | 3,325
Other | 175,289 | 178,988 | 165,561
Total non-interest expense | 759,069 | 732,960 | 693,718
Income before income taxes | 408,363 | 341,411 | 319,799
Income taxes | 44,214 | 37,150 | 40,471
Net income | 364,149 | 304,261 | 279,328
Preferred stock dividends | 8,063 | 8,063 | 8,063
Net income available to common shareholders | $ 356,086 | $ 296,198 | $ 271,265
Earnings per common share: |  |  |
Basic (in dollars per share) | $ 5.56 | $ 4.73 | $ 4.31
Diluted (in dollars per share) | $ 5.51 | $ 4.70 | $ 4.28

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. + 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(h)) -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 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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