| COVER PAGE - USD ($) $ in Thousands | 12 Months Ended | ||
| Dec. 31, 2021 | Mar. 29, 2022 | Jun. 30, 2021 | |
| Entity Information [Line Items] | |||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Document Period End Date | Dec. 31, 2021 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Document Transition Report | false | ||
| Entity File Number | 001-39755 | ||
| Entity Registrant Name | Navitas Semiconductor Corporation | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 85-2560226 | ||
| Entity Address, Address Line One | 22 Fitzwilliam Square South | ||
| Entity Address, City or Town | Dublin, | ||
| Entity Address, Country | IE | ||
| Entity Address, Postal Zip Code | D02 FH68 | ||
| City Area Code | 844 | ||
| Local Phone Number | 654-2642 | ||
| Title of 12(b) Security | Class A Common Stock,par value $0.0001 per share | ||
| Trading Symbol | NVTS | ||
| Security Exchange Name | NASDAQ | ||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Small Business | true | ||
| Entity Ex Transition Period | false | ||
| ICFR Auditor Attestation Flag | false | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 250,976 | ||
| Amendment Flag | true | ||
| Entity Central Index Key | 0001821769 | ||
| Document Fiscal Year Focus | 2021 | ||
| Document Fiscal Period Focus | FY | ||
| Entity Filer Category | Non-accelerated Filer | ||
| Entity Emerging Growth Company | true | ||
| Auditor Location | Los Angeles, CA | ||
| Auditor Firm ID | 34 | ||
| Auditor Name | Deloitte & Touche LLP | ||
| Amendment Description | EXPLANATORY NOTEIn accordance with General Instruction G(3) to Form 10-K, we are filing this amendment on Form 10-K/A solely for the purpose of including the items comprising Part III of Form 10-K. We are not amending or modifying any financial or other information included in Parts I and II or any exhibits of our original annual report on Form 10-K for the fiscal year ended December 31, 2021, which we filed with the SEC on March 31, 2022. Part III information was omitted from our original Form 10-K in reliance on General Instruction G(3), which permits that information to be incorporated by reference from a registrant’s definitive proxy statement if the proxy statement is filed within 120 days after fiscal year-end. The reference on the cover page of our original Form 10-K to such incorporation by reference has been deleted, and this amendment amends and restates in their entirety the cover page and Items 10 through 14 of Part III of our original Form 10-K. We are also amending Item 15 and the Exhibit Index to include currently dated certifications of our CEO and CFO.Except as described above, this Form 10-K/A does not modify or update our original Form 10-K (including exhibits). Also, except as specifically described herein, this amendment does not describe events occurring after our filing of the original Form 10‑K, or modify or update disclosures in the original Form 10-K (including exhibits) affected by such subsequent events. This amendment should be read in conjunction with the original Form 10-K and other filings we have made with the SEC. | ||
| Common Class A | |||
| Entity Information [Line Items] | |||
| Entity Common Stock, Shares Outstanding | 122,864,987 | ||
| Common Class B | |||
| Entity Information [Line Items] | |||
| Entity Common Stock, Shares Outstanding | 0 |
