Annual report pursuant to Section 13 and 15(d)

Fair Values of Financial Instruments (Details 4)

v3.8.0.1
Fair Values of Financial Instruments (Details 4) - Fair Value Measurements [Member] - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Impaired loans [Member]    
Fair Value Asset Measured On Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure, Nonrecurring $ 1,818 $ 2,282
Foreclosed real estate [Member]    
Fair Value Asset Measured On Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure, Nonrecurring 1,699 2,665
Fair Value, Inputs, Level 1 [Member] | Impaired loans [Member]    
Fair Value Asset Measured On Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure, Nonrecurring 0 0
Fair Value, Inputs, Level 1 [Member] | Foreclosed real estate [Member]    
Fair Value Asset Measured On Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure, Nonrecurring 0 0
Fair Value, Inputs, Level 2 [Member] | Impaired loans [Member]    
Fair Value Asset Measured On Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure, Nonrecurring 0 0
Fair Value, Inputs, Level 2 [Member] | Foreclosed real estate [Member]    
Fair Value Asset Measured On Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure, Nonrecurring 0 0
Fair Value, Inputs, Level 3 [Member] | Impaired loans [Member]    
Fair Value Asset Measured On Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure, Nonrecurring 1,818 2,282
Fair Value, Inputs, Level 3 [Member] | Foreclosed real estate [Member]    
Fair Value Asset Measured On Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure, Nonrecurring $ 1,699 $ 2,665