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Fair Value of Assets and Liabilities (Details 1) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Impaired Loans [Member]    
Summary of fair value measurements of assets measured at fair value on a non-recurring basis    
Assets, Fair value, Nonrecurring $ 1,188 $ 3,011
Impaired Loans [Member] | Level 1 [Member]    
Summary of fair value measurements of assets measured at fair value on a non-recurring basis    
Assets, Fair value, Nonrecurring
Impaired Loans [Member] | Level 2 [Member]    
Summary of fair value measurements of assets measured at fair value on a non-recurring basis    
Assets, Fair value, Nonrecurring
Impaired Loans [Member] | Level 3 [Member]    
Summary of fair value measurements of assets measured at fair value on a non-recurring basis    
Assets, Fair value, Nonrecurring 1,188 3,011
Mortgage Servicing Rights [Member]    
Summary of fair value measurements of assets measured at fair value on a non-recurring basis    
Assets, Fair value, Nonrecurring 7,125 2,585
Mortgage Servicing Rights [Member] | Level 1 [Member]    
Summary of fair value measurements of assets measured at fair value on a non-recurring basis    
Assets, Fair value, Nonrecurring
Mortgage Servicing Rights [Member] | Level 2 [Member]    
Summary of fair value measurements of assets measured at fair value on a non-recurring basis    
Assets, Fair value, Nonrecurring
Mortgage Servicing Rights [Member] | Level 3 [Member]    
Summary of fair value measurements of assets measured at fair value on a non-recurring basis    
Assets, Fair value, Nonrecurring $ 7,125 $ 2,585