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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2017
EARNINGS PER SHARE [Abstract] |
Reconciliation of Income (Loss) and Number of Shares used in Calculating Diluted Earnings Per Share | The following is a reconciliation of the income (loss) and number of shares used in calculating the diluted earnings per share for Common Stock and Class A Common Stock (amounts in thousands except per share data):
Numerator: |  | 2017 |  |  | 2016 |  |  | 2015 |
Common: |  |  |  |  |  |  |  |  |
Distributed earnings |  | $ | 10,473 |  |  | $ | 27,674 |  |  | $ | 7,358 |
Undistributed earnings |  |  | 8,896 |  |  |  | (1,869 | ) |  |  | 17,995 |
Basic |  |  | 19,369 |  |  |  | 25,805 |  |  |  | 25,353 |
Class A Common earnings |  |  | 1,706 |  |  |  | 2,551 |  |  |  | 2,436 |
Diluted |  | $ | 21,075 |  |  | $ | 28,356 |  |  | $ | 27,789 |
Class A Common: |  |  |  |  |  |  |  |  |  |  |  |
Distributed earnings |  | $ | 919 |  |  | $ | 2,735 |  |  | $ | 702 |
Undistributed earnings |  |  | 787 |  |  |  | (184 | ) |  |  | 1,734 |
|  | $ | 1,706 |  |  | $ | 2,551 |  |  | $ | 2,436 |
Denominator: |  | 2017 |  |  | 2016 |  |  | 2015 |
Common: |  |  |  |  |  |  |  |  |
Weighted average shares outstanding - basic |  |  | 19,381 |  |  |  | 19,492 |  |  |  | 20,430 |
Assumed conversion of Class A Common Stock |  |  | 1,801 |  |  |  | 2,014 |  |  |  | 2,067 |
Dilutive options, awards and common stock equivalents |  |  | 417 |  |  |  | 341 |  |  |  | 301 |
Total weighted average diluted Common Stock |  |  | 21,599 |  |  |  | 21,847 |  |  |  | 22,798 |
Class A Common: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  | 1,801 |  |  |  | 2,014 |  |  |  | 2,067 |
Basic net earnings per share |  |  |  |  |  |  |  |  |  |  |  |
Common Stock |  | $ | 1.00 |  |  | $ | 1.32 |  |  | $ | 1.24 |
Class A Common Stock |  | $ | 0.95 |  |  | $ | 1.27 |  |  | $ | 1.18 |
Diluted net earnings per share |  |  |  |  |  |  |  |  |  |  |  |
Common Stock |  | $ | 0.98 |  |  | $ | 1.30 |  |  | $ | 1.22 |
Class A Common Stock |  | $ | 0.94 |  |  | $ | 1.27 |  |  | $ | 1.17 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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