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STOCK COMPENSATION PLANS (Tables) | 12 Months Ended
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Dec. 31, 2016
STOCK COMPENSATION PLANS [Abstract] |
Changes in Share of Class A Stock | The following summary reflects changes in the shares of Class A Stock under option:
|  | 2016 Shares |  |  | 2016 Weighted Average Exercise Price |  |  | 2015 Shares |  |  | 2015 Weighted Average Exercise Price |  |  | 2014 Shares |  |  | 2014 Weighted Average Exercise Price |
Plan options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at beginning of year |  |  | 270,000 |  |  | $ | 19.34 |  |  |  | 376,250 |  |  | $ | 19.52 |  |  |  | 387,000 |  |  | $ | 18.96 |
Granted |  |  | — |  |  |  | — |  |  |  | - |  |  |  | - |  |  |  | 33,750 |  |  |  | 21.86 |
Exercised |  |  | (38,245 | ) |  |  | 19.50 |  |  |  | (106,250 | ) |  |  | 19.97 |  |  |  | (44,500 | ) |  |  | 16.45 |
Expired |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Outstanding at end of year |  |  | 231,755 |  |  | $ | 19.32 |  |  |  | 270,000 |  |  | $ | 19.34 |  |  |  | 376,250 |  |  | $ | 19.52 |
Options exercisable at year end |  |  | 231,755 |  |  | $ | 19.32 |  |  |  | 270,000 |  |  | $ | 19.34 |  |  |  | 342,500 |  |  | $ | 19.29 |
Employee and Director Stock Options | The following tables summarize information about employee and director stock options outstanding at December 31, 2016:
Options Outstanding |  |  |  |  |  |
Range of Exercise Price |  |  | Shares Outstanding at December 31, 2016 |  | Weighted Average Remaining Life | Weighted Average Exercise Price |  | Aggregate Intrinsic Value |
| $ | 15.26 - $19.04 |  |  |  | 123,755 |  | 3.28 Years |  | $ | 17.77 |  |  | $ | 1,753,268 |
| $ | 19.05 - $22.66 |  |  |  | 108,000 |  | 5.67 Years |  | $ | 21.09 |  |  | $ | 1,171,678 |
Options Exercisable |  |  |  |  |  |  |  |  |  |  |  |  |  |
Range of Exercise Price |  |  | Shares Exercisable at December 31, 2016 |  | Weighted Average Remaining Life | Weighted Average Exercise Price |  | Aggregate Intrinsic Value |
| $ | 15.26 - $19.04 |  |  |  | 123,755 |  | 3.28 Years |  | $ | 17.77 |  |  | $ | 1,753,268 |
| $ | 19.05 - $22.66 |  |  |  | 108,000 |  | 5.67 Years |  | $ | 21.09 |  |  | $ | 1,171,678 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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