Regulatory Matters (Capital Amounts and Ratios) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Actual capital (to risk weighted assets)	$ 154,687	$ 155,088
Actual capital (to risk weighted assets) (ratio)	14.43%	13.30%
Minimum capital (to risk weighted assets)	85,730	93,319
Minimum capital (to risk weighted assets) (ratio)	8.00%	8.00%
Well capitalized (to risk weighted assets)	0	0
Well capitalized (to risk weighted assets) (ratio)	0.00%	0.00%
Actual Tier I Capital (to risk weighted assets)	141,217	140,471
Actual Tier I Capital (to risk weighted assets) (ratio)	13.18%	12.04%
Minimum Tier I Capital (to risk weighted assets)	42,865	46,660
Minimum Tier I Capital (to risk weighted assets) (ratio)	4.00%	4.00%
Well Capitalized Tier I Capital (to risk weighted assets)	0	0
Well Capitalized Tier I Capital (to risk weighted assets) (ratio)	0.00%	0.00%
Actual Tier I Capital (to average assets)	141,217	140,471
Actual Tier I Capital (to average assets) (ratio)	9.21%	8.91%
Minimum Tier I Capital (to average assets)	61,329	63,087
Minimum Tier I Capital (to average assets) (ratio)	4.00%	4.00%
Well Capitalized Tier I Capital (to average assets)	0	0
Well Capitalized Tier I Capital (to average assets) (ratio)	0.00%	0.00%
Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Actual capital (to risk weighted assets)	117,631	153,091
Actual capital (to risk weighted assets) (ratio)	10.97%	13.15%
Minimum capital (to risk weighted assets)	85,754	93,168
Minimum capital (to risk weighted assets) (ratio)	8.00%	8.00%
Well capitalized (to risk weighted assets)	107,193	116,459
Well capitalized (to risk weighted assets) (ratio)	10.00%	10.00%
Actual Tier I Capital (to risk weighted assets)	104,158	138,497
Actual Tier I Capital (to risk weighted assets) (ratio)	9.72%	11.89%
Minimum Tier I Capital (to risk weighted assets)	42,877	46,584
Minimum Tier I Capital (to risk weighted assets) (ratio)	4.00%	4.00%
Well Capitalized Tier I Capital (to risk weighted assets)	64,316	69,876
Well Capitalized Tier I Capital (to risk weighted assets) (ratio)	6.00%	6.00%
Actual Tier I Capital (to average assets)	104,158	138,497
Actual Tier I Capital (to average assets) (ratio)	6.81%	8.83%
Minimum Tier I Capital (to average assets)	61,185	62,768
Minimum Tier I Capital (to average assets) (ratio)	4.00%	4.00%
Well Capitalized Tier I Capital (to average assets)	$ 76,481	$ 78,460
Well Capitalized Tier I Capital (to average assets) (ratio)	5.00%	5.00%