Employee Benefit Plans (Actuarial Assumptions Used in the Determination of the Net Periodic Pension Cost) (Details) - Pension plans	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans
Discount rate (as a percentage)	3.81%	4.47%	3.68%
Expected long-term return on plan assets (as a percentage)	5.00%	6.50%	6.50%