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Employee Benefit Plans (Details 9) (USD $)
Dec. 31, 2012
2013 $ 1,401,000
2014 1,540,000
2015 1,670,000
2016 1,884,000
2017 2,097,000
2018-2022 14,845,359
Supplemental Executive Retirement Plan [Member]
 
2013 236,000
2014 235,000
2015 234,000
2016 241,000
2017 254,000
2018-2022 $ 2,083,000