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Disclosures about Fair Value Measurements (Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale $ 122,868 $ 127,110
U.S. Agency Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale 5,936 5,906
U.S. Agency mortgage-backed securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale 99,610 105,768
Corporate Bond Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale $ 17,322 $ 15,436
Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale    
Level 2 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale $ 122,868 $ 127,110
Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale    
Fair Value Measurements, Recurring Basis [Member] | U.S. Agency Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale $ 5,936 $ 5,906
Fair Value Measurements, Recurring Basis [Member] | U.S. Agency mortgage-backed securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale 99,610 105,768
Fair Value Measurements, Recurring Basis [Member] | Corporate Bond Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale $ 17,322 $ 15,436
Fair Value Measurements, Recurring Basis [Member] | Level 1 [Member] | U.S. Agency Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale    
Fair Value Measurements, Recurring Basis [Member] | Level 1 [Member] | U.S. Agency mortgage-backed securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale    
Fair Value Measurements, Recurring Basis [Member] | Level 1 [Member] | Corporate Bond Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale    
Fair Value Measurements, Recurring Basis [Member] | Level 2 [Member] | U.S. Agency Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale $ 5,936 $ 5,906
Fair Value Measurements, Recurring Basis [Member] | Level 2 [Member] | U.S. Agency mortgage-backed securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale 99,610 105,768
Fair Value Measurements, Recurring Basis [Member] | Level 2 [Member] | Corporate Bond Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale $ 17,322 $ 15,436
Fair Value Measurements, Recurring Basis [Member] | Level 3 [Member] | U.S. Agency Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale    
Fair Value Measurements, Recurring Basis [Member] | Level 3 [Member] | U.S. Agency mortgage-backed securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale    
Fair Value Measurements, Recurring Basis [Member] | Level 3 [Member] | Corporate Bond Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available for sale