REGULATORY CAPITAL REQUIREMENTS (Tables)

9 Months Ended

Sep. 30, 2025

Broker-Dealer, Net Capital Requirement, SEC Regulation [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, 2025				Minimum Regulatory Capital Required for Capital Adequacy plus Capital Conservation Buffer		Minimum Regulatory Provision to Be "Well Capitalized"		December 31, 2024				Minimum Regulatory Capital Required for Capital Adequacy plus Capital Conservation Buffer		Minimum Regulatory Provision to Be "Well Capitalized"
(Dollars in thousands)	Amount		Ratio						Amount		Ratio
Camden National Corporation:
Total risk-based capital ratio	$	654,954	13.47	%	10.50	%	10.00	%	$	607,303	15.11	%	10.50	%	10.00	%
Tier 1 risk-based capital ratio	606,336		12.47	%	8.50	%	6.00	%	568,769		14.16	%	8.50	%	6.00	%
Common equity Tier 1 risk-based capital ratio(1)	543,336		11.17	%	7.00	%	N/A		525,769		13.09	%	7.00	%	N/A
Tier 1 leverage capital ratio(1)	606,336		8.94	%	4.00	%	N/A		568,769		9.90	%	4.00	%	N/A
Camden National Bank:
Total risk-based capital ratio	$	625,849	12.89	%	10.50	%	10.00	%	$	575,209	14.36	%	10.50	%	10.00	%
Tier 1 risk-based capital ratio	577,231		11.89	%	8.50	%	8.00	%	536,676		13.40	%	8.50	%	8.00	%
Common equity Tier 1 risk-based capital ratio	577,231		11.89	%	7.00	%	6.50	%	536,676		13.40	%	7.00	%	6.50	%
Tier 1 leverage capital ratio	577,231		8.52	%	4.00	%	5.00	%	536,676		9.36	%	4.00	%	5.00	%

(1) “Minimum Regulatory Provisions to Be ‘Well Capitalized’” are not formally defined under applicable banking regulations for bank holding companies.