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Fair Value Accounting (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Securities available for sale    
US government agencies $ 11,664 $ 14,599
SBA securities 6,326 6,277
State and political subdivisions 20,350 22,259
Mortgage-backed securities 38,725 46,804
Total assets measured at fair value on a recurring basis $ 77,065 $ 89,939
Fair Value, Inputs, Level 1 [Member]    
Securities available for sale    
US government agencies
SBA securities
State and political subdivisions
Mortgage-backed securities
Total assets measured at fair value on a recurring basis
Fair Value, Inputs, Level 2 [Member]    
Securities available for sale    
US government agencies $ 11,664 $ 14,599
SBA securities 6,326 6,277
State and political subdivisions 20,350 22,259
Mortgage-backed securities 38,725 46,804
Total assets measured at fair value on a recurring basis $ 77,065 $ 89,939
Fair Value, Inputs, Level 3 [Member]    
Securities available for sale    
US government agencies
SBA securities
State and political subdivisions
Mortgage-backed securities
Total assets measured at fair value on a recurring basis