Cover Page
| Cover Page - USD ($) | 12 Months Ended | ||
| Dec. 31, 2022 | Apr. 10, 2023 | Jun. 30, 2022 | |
| Cover [Abstract] | |||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Document Period End Date | Dec. 31, 2022 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Document Transition Report | false | ||
| Entity File Number | 001-37725 | ||
| Entity Registrant Name | ViewRay, Inc. | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 42-1777485 | ||
| Entity Address, Address Line One | 1099 18th Street Suite 3000 | ||
| Entity Address, City or Town | Denver | ||
| Entity Address, State or Province | CO | ||
| Entity Address, Postal Zip Code | 80202 | ||
| City Area Code | 440 | ||
| Local Phone Number | 703-3210 | ||
| Title of 12(b) Security | Common Stock, par value $0.01 | ||
| Trading Symbol | VRAY | ||
| Security Exchange Name | NASDAQ | ||
| Entity Well-known Seasoned Issuer | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Non-accelerated Filer | ||
| Entity Small Business | true | ||
| Entity Emerging Growth Company | false | ||
| ICFR Auditor Attestation Flag | false | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 463,514,537 | ||
| Entity Common Stock, Shares Outstanding | 183,389,623 | ||
| Entity Central Index Key | 0001597313 | ||
| Amendment Flag | true | ||
| Document Fiscal Period Focus | FY | ||
| Document Fiscal Year Focus | 2022 |
Audit Information
| Audit Information | 12 Months Ended |
| Dec. 31, 2022 | |
| Audit Information [Abstract] | |
| Auditor Name | Deloitte & Touche LLP |
| Auditor Firm ID | 34 |
| Auditor Location | Denver, CO |