Fair Value Measurements (Fair Value, Assets and Liabilities Measured on Nonrecurring Basis) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Foreclosed Real Estate [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring $ 9,449 $ 5,883
Fair Value, Inputs, Level 1 [Member] | Foreclosed Real Estate [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring
Fair Value, Inputs, Level 2 [Member] | Foreclosed Real Estate [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring $ 9,449 $ 5,883
Fair Value, Inputs, Level 3 [Member] | Foreclosed Real Estate [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring
Loans With Impairment [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring $ 2,458 $ 3,670
Loans With Impairment [Member] | Commercial Real Estate [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring 1,765 2,524
Loans With Impairment [Member] | Residential First Mortgages [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring 610 805
Loans With Impairment [Member] | Commercial Loans [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring 50 251
Loans With Impairment [Member] | Construction and Land Development [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring $ 33  
Loans With Impairment [Member] | Commercial Equipment [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring   $ 90
Loans With Impairment [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring
Loans With Impairment [Member] | Fair Value, Inputs, Level 1 [Member] | Commercial Real Estate [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring
Loans With Impairment [Member] | Fair Value, Inputs, Level 1 [Member] | Residential First Mortgages [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring
Loans With Impairment [Member] | Fair Value, Inputs, Level 1 [Member] | Commercial Loans [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring
Loans With Impairment [Member] | Fair Value, Inputs, Level 1 [Member] | Construction and Land Development [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring  
Loans With Impairment [Member] | Fair Value, Inputs, Level 1 [Member] | Commercial Equipment [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring  
Loans With Impairment [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring $ 2,458 $ 3,670
Loans With Impairment [Member] | Fair Value, Inputs, Level 2 [Member] | Commercial Real Estate [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring 1,765 2,524
Loans With Impairment [Member] | Fair Value, Inputs, Level 2 [Member] | Residential First Mortgages [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring 610 805
Loans With Impairment [Member] | Fair Value, Inputs, Level 2 [Member] | Commercial Loans [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring 50 251
Loans With Impairment [Member] | Fair Value, Inputs, Level 2 [Member] | Construction and Land Development [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring $ 33  
Loans With Impairment [Member] | Fair Value, Inputs, Level 2 [Member] | Commercial Equipment [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring   $ 90
Loans With Impairment [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring
Loans With Impairment [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring
Loans With Impairment [Member] | Fair Value, Inputs, Level 3 [Member] | Residential First Mortgages [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring
Loans With Impairment [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Loans [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring
Loans With Impairment [Member] | Fair Value, Inputs, Level 3 [Member] | Construction and Land Development [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring  
Loans With Impairment [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Equipment [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring  
Premises and Equipment Held for Sale [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring $ 2,000  
Premises and Equipment Held for Sale [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring  
Premises and Equipment Held for Sale [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring $ 2,000  
Premises and Equipment Held for Sale [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value, nonrecurring