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Repurchase Agreements (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Disclosure of Repurchase Agreements [Abstract]    
Outstanding balance at December 31 $ 9,460 $ 26,743
Average interest rate at December 31 0.04% 0.19%
Average balance during the year $ 17,825 $ 22,594
Average interest rate during the year 0.17% 0.20%
Maximum month end balance during the year $ 26,743 $ 28,719