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UNAUDITED QUARTERLY FINANCIAL INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Schedule of unaudited quarterly financial information |
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter |  | Full Year
| (Dollars in thousands, except per share data)
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total interest income | $ | 44,213 |  |  | $ | 45,080 |  |  | $ | 45,993 |  |  | $ | 47,276 |  |  | $ | 182,562 |
Total interest expense | 2,958 |  |  | 3,451 |  |  | 3,998 |  |  | 4,452 |  |  | 14,859 |
Net interest income | 41,255 |  |  | 41,629 |  |  | 41,995 |  |  | 42,824 |  |  | 167,703 |
Provision (credit) for loan and lease losses | (80 | ) |  | (2,282 | ) |  | (126 | ) |  | (186 | ) |  | (2,674 | )
Net interest income after provision (credit) for loan and lease losses | 41,335 |  |  | 43,911 |  |  | 42,121 |  |  | 43,010 |  |  | 170,377 |
Investment securities gains (losses) | — |  |  | (1,640 | ) |  | — |  |  | 230 |  |  | (1,410 | )
Income before income taxes | 20,122 |  |  | 19,669 |  |  | 18,353 |  |  | 17,656 |  |  | 75,800 |
Net income | 13,079 |  |  | 12,025 |  |  | 11,812 |  |  | 4,288 |  |  | 41,204 |
Basic earnings per share | $ | 0.43 |  |  | $ | 0.39 |  |  | $ | 0.39 |  |  | $ | 0.14 |  |  | $ | 1.36 |
Diluted earnings per share | 0.42 |  |  | 0.39 |  |  | 0.39 |  |  | 0.14 |  |  | 1.34 |
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter |  | Full Year
| (Dollars in thousands, except per share data)
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total interest income | $ | 47,310 |  |  | $ | 48,509 |  |  | $ | 50,136 |  |  | $ | 52,339 |  |  | $ | 198,294 |
Total interest expense | 4,988 |  |  | 5,837 |  |  | 6,811 |  |  | 7,660 |  |  | 25,296 |
Net interest income | 42,322 |  |  | 42,672 |  |  | 43,325 |  |  | 44,679 |  |  | 172,998 |
Provision (credit) for loan and lease losses | (211 | ) |  | 532 |  |  | (59 | ) |  | (1,386 | ) |  | (1,124 | )
Net interest income after provision (credit) for loan and lease losses | 42,533 |  |  | 42,140 |  |  | 43,384 |  |  | 46,065 |  |  | 174,122 |
Investment securities gains (losses) | — |  |  | — |  |  | — |  |  | (279 | ) |  | (279 | )
Income before income taxes | 18,083 |  |  | 18,159 |  |  | 20,179 |  |  | 21,823 |  |  | 78,244 |
Net income | 14,277 |  |  | 14,224 |  |  | 15,193 |  |  | 15,792 |  |  | 59,486 |
Basic earnings per share | $ | 0.48 |  |  | $ | 0.48 |  |  | $ | 0.52 |  |  | $ | 0.54 |  |  | $ | 2.02 |
Diluted earnings per share | 0.48 |  |  | 0.48 |  |  | 0.52 |  |  | 0.54 |  |  | 2.01 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306 + Details
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