Securities (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Available for sale
Amortized Cost	$ 109,183	$ 108,020
Gross Unrealized Gains	2,186	3,606
Gross Unrealized Losses	738	108
Approximate Fair Value	110,631	111,518
Held to maturity
Amortized Cost	6,682	3,748
Gross Unrealized Gains	13	46
Gross Unrealized Losses	349	54
Approximate Fair Value	6,346	3,740
U.S. government agencies
Available for sale
Amortized Cost	146	155
Gross Unrealized Gains	1	1
Gross Unrealized Losses		1
Approximate Fair Value	147	155
Held to maturity
Amortized Cost	121	130
Gross Unrealized Gains	1	1
Gross Unrealized Losses
Approximate Fair Value	122	131
Mortgage-backed securities of government sponsored entities
Available for sale
Amortized Cost	86,054	83,956
Gross Unrealized Gains	1,340	1,979
Gross Unrealized Losses	626	105
Approximate Fair Value	86,768	85,830
Held to maturity
Amortized Cost	1,429	1,469
Gross Unrealized Gains	12	45
Gross Unrealized Losses	2
Approximate Fair Value	1,439	1,514
Private-label collateralized mortgage obligations
Available for sale
Amortized Cost	880	1,067
Gross Unrealized Gains	43	39
Gross Unrealized Losses
Approximate Fair Value	923	1,106
State and political subdivisions
Available for sale
Amortized Cost	22,103	22,842
Gross Unrealized Gains	802	1,587
Gross Unrealized Losses	112	2
Approximate Fair Value	22,793	24,427
Held to maturity
Amortized Cost	5,132	2,149
Gross Unrealized Gains
Gross Unrealized Losses	347	54
Approximate Fair Value	$ 4,785	$ 2,095