Fair Value (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Securities available for sale	$ 116,435	$ 120,206
U.S. Treasury and federal agency [Member]
Securities available for sale	4,947	3,967
U.S. government sponsored entities and agencies [Member]
Securities available for sale	26,608	28,162
Mortgage-backed securities: residential [Member]
Securities available for sale	18,951	22,724
Collateralized mortgage obligations: residential [Member]
Securities available for sale	23,649	22,475
State and political subdivisions [Member]
Securities available for sale	36,341	36,765
Corporate debt securities [Member]
Securities available for sale	3,516	3,761
Equity securities [Member]
Securities available for sale	2,423	2,352
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member]
Securities available for sale	6,717	5,666
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | U.S. Treasury and federal agency [Member]
Securities available for sale	4,947	3,967
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | U.S. government sponsored entities and agencies [Member]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Mortgage-backed securities: residential [Member]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Collateralized mortgage obligations: residential [Member]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | State and political subdivisions [Member]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Corporate debt securities [Member]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Equity securities [Member]
Securities available for sale	1,770	1,699
Significant Other Observable Inputs, Level 2 [Member]
Securities available for sale	109,064	113,887
Significant Other Observable Inputs, Level 2 [Member] | U.S. Treasury and federal agency [Member]
Securities available for sale	0	0
Significant Other Observable Inputs, Level 2 [Member] | U.S. government sponsored entities and agencies [Member]
Securities available for sale	26,608	28,162
Significant Other Observable Inputs, Level 2 [Member] | Mortgage-backed securities: residential [Member]
Securities available for sale	18,951	22,724
Significant Other Observable Inputs, Level 2 [Member] | Collateralized mortgage obligations: residential [Member]
Securities available for sale	23,649	22,475
Significant Other Observable Inputs, Level 2 [Member] | State and political subdivisions [Member]
Securities available for sale	36,341	36,765
Significant Other Observable Inputs, Level 2 [Member] | Corporate debt securities [Member]
Securities available for sale	3,516	3,761
Significant Other Observable Inputs, Level 2 [Member] | Equity securities [Member]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member]
Securities available for sale	653	653
Significant Unobservable Inputs, Level 3 [Member] | U.S. Treasury and federal agency [Member]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | U.S. government sponsored entities and agencies [Member]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | Mortgage-backed securities: residential [Member]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | Collateralized mortgage obligations: residential [Member]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | State and political subdivisions [Member]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | Corporate debt securities [Member]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | Equity securities [Member]
Securities available for sale	$ 653	$ 653