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Condensed Consolidated Statement of Comprehensive Income (Loss) (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Statement of Comprehensive Income [Abstract]        
Unrealized gain (loss) on securities arising during period, tax $ 2 $ 3 $ 8 $ 19