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Fair Value Disclosures - Assets and Liabilities Measured on Nonrecurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans $ 717 $ 239
Foreclosed assets 2,371 2,386
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans 0 0
Foreclosed assets 0 0
Significant Other Observable Inputs (Level 2) [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans 0 0
Foreclosed assets 0 0
Significant Other Unobservable Inputs (Level 3) [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans 717 239
Foreclosed assets $ 2,371 $ 2,386