| Cover | Feb. 25, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Feb. 25, 2021 |
| Entity Registrant Name | Virgin Galactic Holdings, Inc |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-38202 |
| Entity Tax Identification Number | 85-3608069 |
| Entity Address, Address Line One | 166 North Roadrunner Parkway, Suite 1C |
| Entity Address, City or Town | Las Cruces |
| Entity Address, State or Province | NM |
| Entity Address, Postal Zip Code | 88011 |
| City Area Code | 575 |
| Local Phone Number | 424-2100 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, $0.0001 par value per share |
| Trading Symbol | SPCE |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001706946 |
