v3.26.1

Revenue - Schedule of Significant Changes in Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Contract With Customer Asset [Roll Forward]
Beginning balance	$ 16,199	$ 16,603
Amounts billed that were included in the contract assets beginning balance	(14,415)	(3,737)
Contract assets from acquisition of EM4 (See Note 3)	0	1,644
Revenue recognized for performance obligations that have been satisfied but for which amounts have not been billed	1,751	1,689
Ending balance	3,535	16,199
Contract with Customer, Liability [Roll Forward]
Beginning balance	1,918	3,932
Revenue recognized that was included in the contract liabilities beginning balance	(1,827)	(2,980)
Increase due to cash received and not recognized as revenue and billings in excess of revenue recognized during the period	1,726	966
Ending balance	$ 1,817	$ 1,918

Contract with Customer Asset, Revenue Recognized but Unbilled

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Contract With Customer Asset

+ References

No definition available.

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Balance Type:	na
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- Definition

Contract With Customer, Liability, Increase Due To Cash Received Billings In Excess Of Revenue

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Contract with Customer, Liability

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, from business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
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-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Subparagraph (a)
-Publisher FASB
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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Balance Type:	debit
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- Definition

Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional.

+ References

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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-Topic 606
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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

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-Topic 606
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Luminar Technologies, Inc./DE 10-K