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Equity Compensation and Employee Benefit Plans (Accumulated Benefit Obligation and Aggregate Market Value of Life Insurance Policies) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]    
Accumulated benefit obligation $ 7,068 $ 6,785
Aggregate market value $ 6,216 $ 6,055