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Business Combination and Related Transactions - Schedule of Pro Forma Information, Adjustments (Details) - Velodyne - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Business Acquisition [Line Items]
Net loss	$ (122,733)	$ (300,013)
An increase in amortization expense related to the fair value of acquired identifiable intangible assets, net of the amortization expense already reflected in actual historical results
Business Acquisition [Line Items]
Net loss	0	(277)
A decrease in expenses related to the transaction expenses
Business Acquisition [Line Items]
Net loss	0	6,058
A net increase in revenue related to the impact of the acceleration of the Amazon Warrant vesting recognized by Velodyne at the close of the Velodyne Merger transaction
Business Acquisition [Line Items]
Net loss	0	3,656
A decrease in expenses related to the impact of the acceleration of the Amazon Warrant vesting recognized by Velodyne at the close of the Velodyne Merger transaction
Business Acquisition [Line Items]
Net loss	0	26,704
Represents decrease in additional stock-based compensation expense related to Ouster employee terminations due to change in control.
Business Acquisition [Line Items]
Net loss	0	6,383
Represents a decrease in severance expense in connection with the Velodyne Merger transaction
Business Acquisition [Line Items]
Net loss	$ 0	$ 10,586

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-5

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
-Paragraph 2
-Subparagraph (h)(3)
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