Employee Benefit Plans - Schedule of Actuarial Assumptions (Details) - Pension plans	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plans and Other Postretirement Benefit Plans
Net periodic pension cost, Discount rate (as a percent)	4.14%	3.81%	4.47%
Expected long-term return on plan assets (as a percent)	5.25%	5.00%	6.50%
Benefit obligation, Discount rate (as a percent)	3.94%	4.14%