Condensed Consolidated Statements of Preferred Stock and Stockholders’ Deficit (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2025
Statement of Stockholders' Equity [Abstract]
Temporary equity net of issuance costs and discount	$ 3,586	$ 3,586

Payments For Temporary Equity Net Of Issuance Costs And Discount

No definition available.

Name:	lazr_PaymentsForTemporaryEquityNetOfIssuanceCostsAndDiscount
Namespace Prefix:	lazr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration