Segment Reporting - Summary of Percentage of Revenues from Major Customers (Details) - Net sales	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
General Motors
Revenue, Major Customer [Line Items]
Concentration risk percentage	18.70%	18.20%	18.10%
Ford
Revenue, Major Customer [Line Items]
Concentration risk percentage	13.50%	13.80%	15.60%
Daimler
Revenue, Major Customer [Line Items]
Concentration risk percentage	11.90%	11.10%	9.90%
Volkswagen
Revenue, Major Customer [Line Items]
Concentration risk percentage	11.70%	10.90%	9.60%