Intangible Assets, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
General Motors data sharing agreement
Finite-Lived Intangible Assets
Finite lived intangible assets, foreign currency translation gain			$ 1.9
Amortization of intangible assets	$ 0.3	$ 0.4	1.0	$ 1.2
Internally developed software
Finite-Lived Intangible Assets
Amortization of intangible assets	$ 0.6	$ 0.7	$ 1.8	$ 1.9

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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