REGULATORY CAPITAL REQUIREMENTS (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Tier 1 Capital	$ 97,049	$ 106,276
Total Risk- Based Capital	107,208	116,917
Net Risk- Weighted Assets	805,108	846,936
Adjusted Average Total Assets	1,166,865	1,143,990
Tier 1 Risk-Based Capital Ratio	12.05%	12.55%
Total Risk-Based Capital Ratio	13.32%	13.80%
Tier 1 Leverage Ratio	8.32%	9.29%
Talbot Bank [Member]
Tier 1 Capital	53,496	63,667
Total Risk- Based Capital	59,847	70,604
Net Risk- Weighted Assets	501,612	551,202
Adjusted Average Total Assets	713,472	706,984
Tier 1 Risk-Based Capital Ratio	10.66%	11.55%
Total Risk-Based Capital Ratio	11.93%	12.81%
Tier 1 Leverage Ratio	7.50%	9.01%
CNB [Member]
Tier 1 Capital	41,976	41,542
Total Risk- Based Capital	45,780	45,246
Net Risk- Weighted Assets	303,627	295,232
Adjusted Average Total Assets	$ 450,109	$ 431,968
Tier 1 Risk-Based Capital Ratio	13.82%	14.07%
Total Risk-Based Capital Ratio	15.08%	15.33%
Tier 1 Leverage Ratio	9.33%	9.62%