Regulatory and Operational Matters (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2012 Parent Company [Member]	Dec. 31, 2011 Parent Company [Member]	Dec. 31, 2012 The Bank [Member]	Dec. 31, 2011 The Bank [Member]
Company's and Bank's Actual Capital Amounts and Ratios
Total Capital (to Risk Weighted Assets), Actual Amount		$ 63,253	$ 63,658	$ 61,908	$ 61,616
Total Capital (to Risk Weighted Assets), Actual Ratio		15.64%	15.22%	15.31%	14.75%
Total Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Amount		49,447	33,469	49,447	33,445
Total Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Ratio		8.00%	8.00%	8.00%	8.00%
Total Capital (to Risk Weighted Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount				61,808	41,806
Total Capital (to Risk Weighted Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio				10.00%	10.00%
Tier 1 Capital (to Risk Weighted Assets), Actual Amount		58,186	58,377	56,840	56,339
Tier 1 Capital (to Risk Weighted Assets), Actual Ratio		14.39%	13.95%	14.05%	13.48%
Tier 1 Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Amount		24,724	16,735	24,723	16,722
Tier 1 Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Ratio		4.00%	4.00%	4.00%	4.00%
Tier 1 Capital (to Risk Weighted Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount				37,085	25,084
Tier 1 Capital (to Risk Weighted Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio				6.00%	6.00%
Tier 1 Capital (to Average Assets), Actual Amount		58,186	58,377	56,840	56,339
Tier 1 Capital (to Average Assets), Actual Ratio	9.00%	9.33%	9.01%	9.11%	8.69%
Tier 1 Capital (to Average Assets), For Capital Adequacy Purposes Amount		24,948	25,931	24,952	25,929
Tier 1 Capital (to Average Assets), For Capital Adequacy Purposes Ratio		4.00%	4.00%	4.00%	4.00%
Tier 1 Capital (to Average Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount				$ 31,190	$ 32,411
Tier 1 Capital (to Average Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio				5.00%	5.00%

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The amount of total capital as defined in the regulations.

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