Cover Page - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Feb. 26, 2020	Jun. 28, 2019
Entity Listings [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2019
Document Transition Report	false
Entity File Number	001-38202
Entity Registrant Name	Virgin Galactic Holdings, Inc
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	98-1366046
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
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 720.4
Entity Common Stock, Shares Outstanding		195,769,015
Documents Incorporated by Reference	Portions of the registrant’s definitive proxy statement relating to its annual meeting of stockholders to be held in 2020 (the “2020 Annual Meeting”), to be filed with the Securities and Exchange Commission (the “SEC”) within 120 days after the end of the fiscal year to which this Annual Report on Form 10-K relates, are incorporated herein by reference where indicated. Except with respect to information specifically incorporated by reference in this Annual Report on Form 10-K, such proxy statement is not deemed to be filed as part hereof.
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Entity Central Index Key	0001706946
Current Fiscal Year End Date	--12-31
Units
Entity Listings [Line Items]
Title of 12(b) Security	Units consisting of one share of common stock, $0.0001 par value per share, and one-third of one warrant to purchase one share of common stock
Trading Symbol	SPCE.U
Security Exchange Name	NYSE
Common Stock
Entity Listings [Line Items]
Title of 12(b) Security	Common stock, $0.0001 par value per share
Trading Symbol	SPCE
Security Exchange Name	NYSE
Warrants
Entity Listings [Line Items]
Title of 12(b) Security	Warrants to purchase common stock
Trading Symbol	SPCE.WS
Security Exchange Name	NYSE