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STOCK COMPENSATION PLANS (Tables) | 3 Months Ended
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Mar. 31, 2021
STOCK COMPENSATION PLANS [Abstract] |
Changes in Shares of Class A Common Stock Underlying Options and Restricted Stock Awards | The following summary reflects changes in the shares of Class A Stock underlying options and restricted stock awards for the three months ended March 31, 2021:
|  | Options |  |  | Restricted Awards |
|  | Option Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Life (Yrs.) |  |  | Aggregate Intrinsic Value (in thousands) |  |  | Outstanding Restricted Stock Awards |  |  | Weighted Average Grant Date Fair Value |
Plan options/restricted stock awards |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at January 1, 2021 |  |  | 116,347 |  |  | $ | 2,090 |  |  |  |  |  | $ | 1,882 |  |  |  | 5,000 |  |  | $ | 35 |
Granted |  |  | — |  |  |  | — |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |
Exercised/vested and released |  |  | (21,885 | ) |  |  | 19 |  |  |  |  |  |  | 484 |  |  |  | — |  |  |  | — |
Expired/cancelled |  |  | — |  |  |  | — |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |
Outstanding at March 31, 2021 |  |  | 94,462 |  |  | $ | 21 |  |  |  | 2 |  |  | $ | 1,704 |  |  |  | 5,000 |  |  | $ | 35 |
Exercisable/vested at March 31, 2021 |  |  | 94,462 |  |  | $ | 21 |  |  |  | 2 |  |  | $ | 1,704 |  |  |  | — |  |  |  | — |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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