Employee Benefit Plans (Details 6) (Foreign Pension Plan [Member])	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Foreign Pension Plan [Member]
Weighted-average assumptions used to determine benefit obligations as of December 31:
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	3.45%	4.38%
Rate of compensation increase	3.66%	3.31%
Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31:
Discount rate	4.38%	4.12%	4.93%
Expected long-term return on plan assets	6.32%	6.05%	6.26%
Rate of compensation increase	3.31%	3.48%	3.68%