Pensions - Schedule of Weighted Asset Allocation Percentages of Pension Plan Assets (Details)	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Weighted asset allocation percentage	100.00%	100.00%
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Weighted asset allocation percentage	2.40%	4.00%
U.S. treasuries and agencies
Defined Benefit Plan Disclosure [Line Items]
Weighted asset allocation percentage	50.00%	46.40%
Equity funds
Defined Benefit Plan Disclosure [Line Items]
Weighted asset allocation percentage	20.60%	19.90%
Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Weighted asset allocation percentage	27.00%	29.70%