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Employee Benefit Plans - Assumptions Used To Determine Pension Obligation (Details)
Dec. 31, 2013
Dec. 31, 2012
Defined Benefit Pension Plan [Member]
   
Assumptions used to determine pension obligations [Abstract]    
Discount rate (in hundredths) 5.00% 4.17%
Rate of compensation increase (in hundredths) 3.00% 3.00%
Long-term rate of return on plan assets (in hundredths) 7.50% 7.50%
Supplementary Pension Plan [Member]
   
Assumptions used to determine pension obligations [Abstract]    
Discount rate (in hundredths) 4.85% 4.00%
Rate of compensation increase (in hundredths) 3.00% 3.00%