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Quarterly Results of Operations (Unaudited) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Data [Abstract] |
Quarterly Results of Operations (unaudited) | Note 25 – Quarterly Results of Operations (unaudited) The following table reports quarterly results of operations (unaudited) for 2018, 2017 and 2016:
|  | 2018 |
(dollars in thousands except per share data) |  | Fourth Quarter |  |  | Third Quarter |  |  | Second Quarter |  |  | First Quarter |
Total interest income |  | $ | 105,581 |  |  | $ | 102,360 |  |  | $ | 96,296 |  |  | $ | 89,049 |
Total interest expense |  |  | 23,869 |  |  |  | 21,069 |  |  |  | 18,086 |  |  |  | 13,269 |
Net interest income |  |  | 81,712 |  |  |  | 81,291 |  |  |  | 78,210 |  |  |  | 75,780 |
Provision for credit losses |  |  | 2,600 |  |  |  | 2,441 |  |  |  | 1,650 |  |  |  | 1,969 |
Net interest income after provision for credit losses |  |  | 79,112 |  |  |  | 78,850 |  |  |  | 76,560 |  |  |  | 73,811 |
Noninterest income |  |  | 6,089 |  |  |  | 5,640 |  |  |  | 5,553 |  |  |  | 5,304 |
Noninterest expense |  |  | 31,687 |  |  |  | 31,614 |  |  |  | 32,289 |  |  |  | 31,121 |
Income before income tax expense |  |  | 53,514 |  |  |  | 52,876 |  |  |  | 49,824 |  |  |  | 47,994 |
Income tax expense |  |  | 13,197 |  |  |  | 13,928 |  |  |  | 12,528 |  |  |  | 12,279 |
Net income |  |  | 40,317 |  |  |  | 38,948 |  |  |  | 37,296 |  |  |  | 35,715 |
Net income available to common shareholders |  | $ | 40,317 |  |  | $ | 38,948 |  |  | $ | 37,296 |  |  | $ | 35,715 |
Earnings per common share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (1) |  | $ | 1.17 |  |  | $ | 1.14 |  |  | $ | 1.09 |  |  | $ | 1.04 |
Diluted (1) |  | $ | 1.17 |  |  | $ | 1.13 |  |  | $ | 1.08 |  |  | $ | 1.04 |
|  | 2017 |
(dollars in thousands except per share data) |  | Fourth Quarter |  |  | Third Quarter |  |  | Second Quarter |  |  | First Quarter |
Total interest income |  | $ | 86,526 |  |  | $ | 82,370 |  |  | $ | 79,344 |  |  | $ | 75,794 |
Total interest expense |  |  | 11,167 |  |  |  | 10,434 |  |  |  | 9,646 |  |  |  | 8,900 |
Net interest income |  |  | 75,359 |  |  |  | 71,936 |  |  |  | 69,698 |  |  |  | 66,894 |
Provision for credit losses |  |  | 4,087 |  |  |  | 1,921 |  |  |  | 1,566 |  |  |  | 1,397 |
Net interest income after provision for credit losses |  |  | 71,272 |  |  |  | 70,015 |  |  |  | 68,132 |  |  |  | 65,497 |
Noninterest income |  |  | 9,496 |  |  |  | 6,784 |  |  |  | 7,023 |  |  |  | 6,070 |
Noninterest expense |  |  | 29,803 |  |  |  | 29,516 |  |  |  | 30,001 |  |  |  | 29,232 |
Income before income tax expense |  |  | 50,965 |  |  |  | 47,283 |  |  |  | 45,154 |  |  |  | 42,335 |
Income tax expense |  |  | 35,396 |  |  |  | 17,409 |  |  |  | 17,382 |  |  |  | 15,318 |
Net income |  |  | 15,569 |  |  |  | 29,874 |  |  |  | 27,772 |  |  |  | 27,017 |
Net income available to common shareholders |  | $ | 15,569 |  |  | $ | 29,874 |  |  | $ | 27,772 |  |  | $ | 27,017 |
Earnings per common share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (1) |  | $ | 0.46 |  |  | $ | 0.87 |  |  | $ | 0.81 |  |  | $ | 0.79 |
Diluted (1) |  | $ | 0.45 |  |  | $ | 0.87 |  |  | $ | 0.81 |  |  | $ | 0.79 |
|  | 2016 |
(dollars in thousands except per share data) |  | Fourth Quarter |  |  | Third Quarter |  |  | Second Quarter |  |  | First Quarter |
Total interest income |  | $ | 75,795 |  |  | $ | 72,431 |  |  | $ | 69,772 |  |  | $ | 67,807 |
Total interest expense |  |  | 8,771 |  |  |  | 7,703 |  |  |  | 5,950 |  |  |  | 5,216 |
Net interest income |  |  | 67,024 |  |  |  | 64,728 |  |  |  | 63,822 |  |  |  | 62,591 |
Provision for credit losses |  |  | 2,112 |  |  |  | 2,288 |  |  |  | 3,888 |  |  |  | 3,043 |
Net interest income after provision for credit losses |  |  | 64,912 |  |  |  | 62,440 |  |  |  | 59,934 |  |  |  | 59,548 |
Noninterest income |  |  | 7,014 |  |  |  | 6,405 |  |  |  | 7,575 |  |  |  | 6,290 |
Noninterest expense |  |  | 29,780 |  |  |  | 28,838 |  |  |  | 28,295 |  |  |  | 28,103 |
Income before income tax expense |  |  | 42,146 |  |  |  | 40,007 |  |  |  | 39,214 |  |  |  | 37,735 |
Income tax expense |  |  | 16,429 |  |  |  | 15,484 |  |  |  | 15,069 |  |  |  | 14,413 |
Net income |  |  | 25,717 |  |  |  | 24,523 |  |  |  | 24,145 |  |  |  | 23,322 |
Net income available to common shareholders |  | $ | 25,717 |  |  | $ | 24,523 |  |  | $ | 24,145 |  |  | $ | 23,322 |
Earnings per common share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (1) |  | $ | 0.76 |  |  | $ | 0.73 |  |  | $ | 0.72 |  |  | $ | 0.70 |
Diluted (1) |  | $ | 0.75 |  |  | $ | 0.72 |  |  | $ | 0.71 |  |  | $ | 0.68 |
(1) Earnings per common share are calculated on a quarterly basis and may not be additive to the year to date amount.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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