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EARNINGS PER SHARE (Tables) | 3 Months Ended
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Mar. 31, 2021
EARNINGS PER SHARE |
Schedule of basic and diluted weighted-average shares outstanding | Basic and diluted weighted-average shares outstanding are as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​
​ | ​ | March 31, | ​
​ |  | 2021 |  | 2020 |
Basic weighted average shares outstanding |  | 14,306 |  | 14,180 |
Dilutive effect of equity awards |  | 132 |  | 94 |
Diluted weighted average shares outstanding |  | 14,438 |  | 14,274 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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