Concentration of Risk - Customers Accounted for Greater Than Ten Percent of Net Sales (Details) - Sales Revenue, Net - Customer Concentration Risk	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Daimler AG
Concentration Risk [Line Items]
Concentration risk, percentage	20.00%	20.00%	20.00%
PACCAR Inc.
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%	11.00%	12.00%
Traton SE
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%	11.00%	11.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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