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Securities (Investments' Gross Unrealized Losses and Fair Value) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value $ 46,383 $ 30,076
Less than 12 Months, Unrealized Losses (414) (206)
Total, Fair Value 46,383 30,076
Total, Unrealized Losses (414) (206)
U.S. Government Agencies [Member]
    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value   7,056
Less than 12 Months, Unrealized Losses   (20)
Total, Fair Value   7,056
Total, Unrealized Losses   (20)
States and political subdivisions [Member]
    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 8,814 5,821
Less than 12 Months, Unrealized Losses (182) (73)
Total, Fair Value 8,814 5,821
Total, Unrealized Losses (182) (73)
Mortgage-backed securities-government sponsored entities [Member]
    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 28,321 17,199
Less than 12 Months, Unrealized Losses (196) (113)
Total, Fair Value 28,321 17,199
Total, Unrealized Losses (196) (113)
Equity securities-financial services [Member]
    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 178  
Less than 12 Months, Unrealized Losses (7)  
Total, Fair Value 178  
Total, Unrealized Losses $ (7)  
Less than 12 Months [Member]
    
Schedule of Investments [Line Items]    
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 48  
12 Months or More [Member]
    
Schedule of Investments [Line Items]    
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 0