16. Regulatory Matters (Summary Of Actual Capital Amounts And Ratios) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Total Capital (to risk weighted assets), Minimum Required Regulatory Capital, Ratio	11.00%
Tier I Capital (to average assets), Minimum Required Regulatory Capital, Ratio	8.00%
Summit [Member]
Total Capital (to risk weighted assets), Actual Amount	$ 144,202	$ 138,593
Tier I Capital (to risk weighted assets), Actual Amount	122,918	115,221
Tier I Capital (to average assets), Actual Amount	122,918	115,221
Total Capital (to risk weighted assets), Actual Ratio	14.50%	14.00%
Tier I Capital (to risk weighted assets), Actual Ratio	12.40%	11.60%
Tier I Capital (to average assets), Actual Ratio	8.90%	8.30%
Total Capital (to risk weighted assets), Minimum Required Regulatory Capital, Amount	79,638	79,391
Tier I Capital (to risk weighted assets), Minimum Required Regulatory Capital, Amount	39,499	39,695
Tier I Capital (to average assets), Minimum Required Regulatory Capital, Amount	55,151	55,591
Total Capital (to risk weighted assets), Minimum Required Regulatory Capital, Ratio	8.00%	8.00%
Tier I Capital (to risk weighted assets), Minimum Required Regulatory Capital, Ratio	4.00%	4.00%
Tier I Capital (to average assets), Minimum Required Regulatory Capital, Ratio	4.00%	4.00%
Total Capital (to risk weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Amount	99,547	99,238
Tier I Capital (to risk weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Amount	59,248	59,543
Tier I Capital (to average assets), To be Well Capitalized under Prompt Corrective Action Provisions, Amount	68,938	69,489
Total Capital (to risk weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Ratio	10.00%	10.00%
Tier I Capital (to risk weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Ratio	6.00%	6.00%
Tier I Capital (to average assets), To be Well Capitalized under Prompt Corrective Action Provisions, Ratio	5.00%	5.00%
Summit Community [Member]
Total Capital (to risk weighted assets), Actual Amount	156,473	148,803
Tier I Capital (to risk weighted assets), Actual Amount	143,989	136,231
Tier I Capital (to average assets), Actual Amount	143,989	136,231
Total Capital (to risk weighted assets), Actual Ratio	15.70%	15.00%
Tier I Capital (to risk weighted assets), Actual Ratio	14.50%	13.70%
Tier I Capital (to average assets), Actual Ratio	10.40%	9.80%
Total Capital (to risk weighted assets), Minimum Required Regulatory Capital, Amount	79,627	79,484
Tier I Capital (to risk weighted assets), Minimum Required Regulatory Capital, Amount	39,814	39,742
Tier I Capital (to average assets), Minimum Required Regulatory Capital, Amount	55,150	55,581
Total Capital (to risk weighted assets), Minimum Required Regulatory Capital, Ratio	8.00%	8.00%
Tier I Capital (to risk weighted assets), Minimum Required Regulatory Capital, Ratio	4.00%	4.00%
Tier I Capital (to average assets), Minimum Required Regulatory Capital, Ratio	4.00%	4.00%
Total Capital (to risk weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Amount	99,534	99,354
Tier I Capital (to risk weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Amount	59,720	59,613
Tier I Capital (to average assets), To be Well Capitalized under Prompt Corrective Action Provisions, Amount	$ 68,938	$ 69,476
Total Capital (to risk weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Ratio	10.00%	10.00%
Tier I Capital (to risk weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Ratio	6.00%	6.00%
Tier I Capital (to average assets), To be Well Capitalized under Prompt Corrective Action Provisions, Ratio	5.00%	5.00%