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EARNINGS PER SHARE | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | EARNINGS PER SHARELCNB has granted restricted stock awards with non-forfeitable dividend rights, which are considered participating securities. Accordingly, earnings per share is computed using the two-class method as required by FASB ASC 260-10-45. Basic earnings per common share is calculated by dividing net income allocated to common shareholders by the weighted average number of common shares outstanding during the period, which excludes the participating securities. Diluted earnings per common share is adjusted for the dilutive effects of stock options, warrants, and restricted stock. The diluted average number of common shares outstanding has been increased for the assumed exercise of stock options with proceeds used to purchase treasury shares at the average market price for the period. Earnings per share for the years ended December 31 were calculated as follows (in thousands, except share and per share data):
| 2022 |  | 2021 |  | 2020
Net income | $ | 22,128 |  |  | 20,974 |  |  | 20,075 |
Less allocation of earnings and dividends to participating securities | 114 |  |  | 75 |  |  | 45 |
Net income allocated to common shareholders | $ | 22,014 |  |  | 20,899 |  |  | 20,030 |
Weighted average common shares outstanding, gross | 11,469,676 |  |  | 12,635,013 |  |  | 12,943,622 |
Less average participating securities | 58,695 |  |  | 45,408 |  |  | 29,345 |
Weighted average number of shares outstanding used in the calculation of basic earnings per common share | 11,410,981 |  |  | 12,589,605 |  |  | 12,914,277 |
Add dilutive effect of: |  |  |  |  |
Stock options | — |  |  | 8 |  |  | 307 |
Adjusted weighted average number of shares outstanding used in the calculation of diluted earnings per common share | 11,410,981 |  |  | 12,589,613 |  |  | 12,914,584 |
Earnings per common share: |  |  |  |  |
Basic | $ | 1.93 |  |  | 1.66 |  |  | 1.55 |
Diluted | 1.93 |  |  | 1.66 |  |  | 1.55 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI https://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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