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Accumulated Other Comprehensive Loss (Tables)
9 Months Ended
Sep. 30, 2017
Equity [Abstract]  
Schedule of components of accumulated other comprehensive loss and activity
    December 31,     Increase/     Reclassification     September 30,  
    2016     Decrease     Adjustments     2017  
                         
Unrealized losses on available for sale securities   $ (45 )   $ 21     $ 24     $ -  
Unrealized gains on available for sale securities     17       21       (38 )     -  
Net unrealized gains (losses) on available for sale securities     (28 )     42       (14 )     -  
Income tax benefit (expense) on other comprehensive loss     9       (14 )     5       -  
Total accumulated other comprehensive income (loss), net of taxes   $ (19 )   $ 28     $ (9 )     -