Capital Requirements and Restrictions on Retained Earnings (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Total Capital to Risk Weighted Assets
Actual, Amount	$ 152,968	$ 141,310
Actual, Ratio	15.28%	15.14%
For Capital Adequacy Purposes, Amount	80,073	74,647
For Capital Adequacy Purposes, Ratio	8.00%	8.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount
Tier 1 (Core) Capital to Risk Weighted Assets
Actual, Amount	140,426	129,620
Actual, Ratio	14.03%	13.89%
For Capital Adequacy Purposes, Amount	40,036	37,323
For Capital Adequacy Purposes, Ratio	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount
Tier 1 (Core) Capital to Average Assets
Actual, Amount	140,426	129,620
Actual, Ratio	8.06%	8.22%
For Capital Adequacy Purposes, Amount	69,726	63,083
For Capital Adequacy Purposes, Ratio	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount
Bank [Member]
Total Capital to Risk Weighted Assets
Actual, Amount	131,788	121,673
Actual, Ratio	13.46%	13.32%
For Capital Adequacy Purposes, Amount	78,324	73,101
For Capital Adequacy Purposes, Ratio	8.00%	8.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	97,905	91,376
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	10.00%	10.00%
Tier 1 (Core) Capital to Risk Weighted Assets
Actual, Amount	119,534	110,232
Actual, Ratio	12.21%	12.06%
For Capital Adequacy Purposes, Amount	39,162	36,550
For Capital Adequacy Purposes, Ratio	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	58,743	54,826
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.00%	6.00%
Tier 1 (Core) Capital to Average Assets
Actual, Amount	119,534	110,232
Actual, Ratio	6.99%	7.15%
For Capital Adequacy Purposes, Amount	68,409	61,684
For Capital Adequacy Purposes, Ratio	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 85,512	$ 77,106
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	5.00%	5.00%

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