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Employee Benefit Plans (Details 16) (SERP, USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
SERP
 
Year ending December 31, 2013 $ 215
Year ending December 31, 2014 220
Year ending December 31, 2015 263
Year ending December 31, 2016 330
Year ending December 31, 2017 357
Years ending December 31, 2018-2022 $ 2,309