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SELECTED QUARTERLY DATA (UNAUDITED): (Tables) | 12 Months Ended
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Dec. 31, 2018
Selected Quarterly Financial Information [Abstract] |
Schedule of Quarterly Financial Information |
|  | 2018
(Dollar amounts in thousands) |  | Interest Income |  | Interest Expense |  | Net Interest Income |  | Provision For Loan Losses |  | Net Income (a) |  | Net Income Per Share
March 31 |  | $ | 29,377 |  |  | $ | 1,904 |  |  | $ | 27,473 |  |  | $ | 1,473 |  |  | $ | 8,953 |  |  | $ | 0.73 |
June 30 |  | $ | 32,903 |  |  | $ | 2,219 |  |  | $ | 30,684 |  |  | $ | 1,355 |  |  | $ | 15,261 |  |  | $ | 1.25 |
September 30 |  | $ | 31,375 |  |  | $ | 2,548 |  |  | $ | 28,827 |  |  | $ | 1,470 |  |  | $ | 11,313 |  |  | $ | 0.92 |
December 31 |  | $ | 32,569 |  |  | $ | 2,974 |  |  | $ | 29,595 |  |  | $ | 1,470 |  |  | $ | 11,056 |  |  | $ | 0.90 |
(a) The second quarter of 2018 included the recovery of a security previously written down for other-than temporary impairment, which contributed $2.4 million pre-tax to interest income and $4.5 million pre-tax to other income.
|  | 2017
(Dollar amounts in thousands) |  | Interest Income |  | Interest Expense |  | Net Interest Income |  | Provision For Loan Losses |  | Net Income (b) |  | Net Income Per Share
March 31 |  | $ | 27,846 |  |  | $ | 1,339 |  |  | $ | 26,507 |  |  | $ | 1,596 |  |  | $ | 9,369 |  |  | $ | 0.77 |
June 30 |  | $ | 28,128 |  |  | $ | 1,568 |  |  | $ | 26,560 |  |  | $ | 1,040 |  |  | $ | 8,352 |  |  | $ | 0.68 |
September 30 |  | $ | 28,805 |  |  | $ | 1,697 |  |  | $ | 27,108 |  |  | $ | 1,185 |  |  | $ | 8,794 |  |  | $ | 0.72 |
December 31 |  | $ | 29,416 |  |  | $ | 1,734 |  |  | $ | 27,682 |  |  | $ | 1,474 |  |  | $ | 2,616 |  |  | $ | 0.21 |
(b) The fourth quarter of 2017 was reduced due to the additional expense of $6.3 million for the enactment of federal tax reform.

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109225645&loc=d3e1280-108306 + Details
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