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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2020
EARNINGS PER SHARE |
Schedule of reconciliation of the weighted average shares used in the basic and diluted earnings per common share computations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ |  | 2020 |  | 2019 |  | 2018
Weighted-average shares outstanding: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | ​ | 529,639 | ​ | 542,191 | ​ | 557,166
Dilutive securities | ​ | ​ | 5,168 | ​ | 4,417 | ​ | 7,088
Diluted | ​ | ​ | 534,807 | ​ | 546,608 | ​ | 564,254
​

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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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