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REGULATORY CAPITAL REQUIREMENTS (Tables) | 9 Months Ended
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Sep. 30, 2018
Regulatory Capital Requirements [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations | The following table presents the Company and Bank's regulatory capital ratios at the periods indicated:
|  | September 30, 2018 |  | Minimum Regulatory Capital Required for Capital Adequacy plus Capital Conservation Buffer |  | Minimum Regulatory Provision To Be "Well Capitalized" Under Prompt Corrective Action Provisions |  | December 31, 2017 |  | Minimum Regulatory Capital Required for Capital Adequacy plus Capital Conservation Buffer |  | Minimum Regulatory Provision To Be "Well Capitalized" Under Prompt Corrective Action Provisions
|  | Amount |  | Ratio |  |  |  | Amount |  | Ratio |  |
Camden National Corporation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total risk-based capital ratio |  | $ | 423,277 |  |  | 14.55 | % |  | 9.88 | % |  | N/A |  |  | $ | 396,451 |  |  | 14.14 | % |  | 9.25 | % |  | N/A |
Tier I risk-based capital ratio |  | 384,738 |  |  | 13.22 | % |  | 7.88 | % |  | N/A |  |  | 357,261 |  |  | 12.74 | % |  | 7.25 | % |  | N/A |
Common equity Tier I risk-based capital ratio |  | 341,738 |  |  | 11.75 | % |  | 6.38 | % |  | N/A |  |  | 316,677 |  |  | 11.30 | % |  | 5.75 | % |  | N/A |
Tier I leverage capital ratio |  | 384,738 |  |  | 9.42 | % |  | 4.00 | % |  | N/A |  |  | 357,261 |  |  | 9.07 | % |  | 4.00 | % |  | N/A |
Camden National Bank: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total risk-based capital ratio |  | $ | 389,845 |  |  | 13.42 | % |  | 9.88 | % |  | 10.00 | % |  | $ | 369,540 |  |  | 13.18 | % |  | 9.25 | % |  | 10.00 | %
Tier I risk-based capital ratio |  | 366,306 |  |  | 12.61 | % |  | 7.88 | % |  | 8.00 | % |  | 345,350 |  |  | 12.32 | % |  | 7.25 | % |  | 8.00 | %
Common equity Tier I risk-based capital ratio |  | 366,306 |  |  | 12.61 | % |  | 6.38 | % |  | 6.50 | % |  | 345,350 |  |  | 12.32 | % |  | 5.75 | % |  | 6.50 | %
Tier I leverage capital ratio |  | 366,306 |  |  | 8.99 | % |  | 4.00 | % |  | 5.00 | % |  | 345,350 |  |  | 8.80 | % |  | 4.00 | % |  | 5.00 | %

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958577-112826 + Details
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