Fair Value (Fair Value, Assets and Liabilities Measured on Nonrecurring Basis) (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Impaired loans with specific valuation allowances $ 4,225,000 $ 8,887,000    
Other real estate owned 3,309,000 3,144,000 6,552,000 21,270,000
Level 1        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Impaired loans with specific valuation allowances 0 0    
Other real estate owned 0 0    
Assets, Fair Value Disclosure, Nonrecurring 0 0    
Level 2        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Impaired loans with specific valuation allowances 0 0    
Other real estate owned 0 0    
Assets, Fair Value Disclosure, Nonrecurring 0 0    
Level 3        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Impaired loans with specific valuation allowances 1,423,000 8,887,000    
Other real estate owned 3,309,000 3,144,000    
Assets, Fair Value Disclosure, Nonrecurring $ 4,732,000 $ 12,031,000