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Securities (Investments' Gross Unrealized Losses and Fair Value) (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value $ 85,674 $ 30,076
Less than 12 Months, Unrealized Losses (3,490) (206)
12 Months or More, Fair Value 924  
12 Months or More, Unrealized Losses (15)  
Total, Fair Value 86,598 30,076
Total, Unrealized Losses (3,505) (206)
U.S. Government Agencies [Member]
    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 22,853 7,056
Less than 12 Months, Unrealized Losses (811) (20)
Total, Fair Value 22,853 7,056
Total, Unrealized Losses (811) (20)
States and political subdivisions [Member]
    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 22,084 5,821
Less than 12 Months, Unrealized Losses (1,428) (73)
Total, Fair Value 22,084 5,821
Total, Unrealized Losses (1,428) (73)
Corporate obligations [Member]
    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 2,496  
Less than 12 Months, Unrealized Losses (98)  
Total, Fair Value 2,496  
Total, Unrealized Losses (98)  
Mortgage-backed securities-government sponsored entities [Member]
    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 38,059 17,199
Less than 12 Months, Unrealized Losses (1,150) (113)
12 Months or More, Fair Value 924  
12 Months or More, Unrealized Losses (15)  
Total, Fair Value 38,983 17,199
Total, Unrealized Losses (1,165) (113)
Equity securities-financial services [Member]
    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 182  
Less than 12 Months, Unrealized Losses (3)  
Total, Fair Value 182  
Total, Unrealized Losses $ (3)  
Less than 12 Months [Member]
    
Schedule of Investments [Line Items]    
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 101  
12 Months or More [Member]
    
Schedule of Investments [Line Items]    
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 1