Regulatory Matters (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Consolidated [Member]
Summary of actual capital levels and minimum levels
Total capital (to risk weighted assets), Actual Amount	$ 179,659	$ 173,323
Total capital (to risk weighted assets), Actual Ratio	15.40%	14.60%
Total capital (to risk weighted assets), Minimum Amount Required for Capital Adequacy Purposes	93,435	94,738
Total capital (to risk weighted assets), Minimum Ratio Required for Capital Adequacy Purposes	8.00%	8.00%
Total capital (to risk weighted assets), Minimum Amount Required to be Well Capitalized Under Prompt Corrective Action Regulations
Total capital (to risk weighted assets), Minimum Ratio Required to be Well Capitalized Under Prompt Corrective Action Regulations
Tier 1 capital (to risk weighted assets), Actual Amount	164,919	158,349
Tier 1 capital (to risk weighted assets), Actual Ratio	14.10%	13.40%
Tier 1 capital (to risk weighted assets), Minimum Amount Required for Capital Adequacy Purposes	46,718	47,369
Tier 1 capital (to risk weighted assets), Minimum Ratio Required for Capital Adequacy Purposes	4.00%	4.00%
Tier 1 capital (to risk weighted assets), Minimum Amount Required to be Well Capitalized Under Prompt Corrective Action Regulations
Tier 1 capital (to risk weighted assets), Minimum Ratio Required to be Well Capitalized Under Prompt Corrective Action Regulations
Tier 1 capital (to average assets), Actual Amount	164,919	158,349
Tier 1 capital (to average assets), Actual Ratio	12.00%	11.30%
Tier 1 capital (to average assets), Minimum Amount Required for Capital Adequacy Purposes	54,926	55,995
Tier 1 capital (to average assets), Minimum Ratio Required for Capital Adequacy Purposes	4.00%	4.00%
Tier 1 capital (to average assets), Minimum Amount Required to be Well Capitalized Under Prompt Corrective Action Regulations
Tier 1 capital (to average assets), Minimum Ratio Required to be Well Capitalized Under Prompt Corrective Action Regulations
Bank [Member]
Summary of actual capital levels and minimum levels
Total capital (to risk weighted assets), Actual Amount	179,114	173,828
Total capital (to risk weighted assets), Actual Ratio	15.40%	14.70%
Total capital (to risk weighted assets), Minimum Amount Required for Capital Adequacy Purposes	93,315	94,629
Total capital (to risk weighted assets), Minimum Ratio Required for Capital Adequacy Purposes	8.00%	8.00%
Total capital (to risk weighted assets), Minimum Amount Required to be Well Capitalized Under Prompt Corrective Action Regulations	116,644	118,286
Total capital (to risk weighted assets), Minimum Ratio Required to be Well Capitalized Under Prompt Corrective Action Regulations	10.00%	10.00%
Tier 1 capital (to risk weighted assets), Actual Amount	164,392	158,871
Tier 1 capital (to risk weighted assets), Actual Ratio	14.10%	13.40%
Tier 1 capital (to risk weighted assets), Minimum Amount Required for Capital Adequacy Purposes	46,658	47,315
Tier 1 capital (to risk weighted assets), Minimum Ratio Required for Capital Adequacy Purposes	4.00%	4.00%
Tier 1 capital (to risk weighted assets), Minimum Amount Required to be Well Capitalized Under Prompt Corrective Action Regulations	69,987	70,972
Tier 1 capital (to risk weighted assets), Minimum Ratio Required to be Well Capitalized Under Prompt Corrective Action Regulations	6.00%	6.00%
Tier 1 capital (to average assets), Actual Amount	164,392	158,871
Tier 1 capital (to average assets), Actual Ratio	12.00%	11.40%
Tier 1 capital (to average assets), Minimum Amount Required for Capital Adequacy Purposes	54,885	55,937
Tier 1 capital (to average assets), Minimum Ratio Required for Capital Adequacy Purposes	4.00%	4.00%
Tier 1 capital (to average assets), Minimum Amount Required to be Well Capitalized Under Prompt Corrective Action Regulations	$ 68,606	$ 69,922
Tier 1 capital (to average assets), Minimum Ratio Required to be Well Capitalized Under Prompt Corrective Action Regulations	5.00%	5.00%