Employee Benefit Plans - Narrative (Details) - Pension Benefits	6 Months Ended
	Jun. 30, 2021 USD ($) plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Pension assets or obligations, threshold, per plan | $	$ 20,000,000
U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of plans	4
Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of plans	7