| Cover | Aug. 06, 2019 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 6, 2020 |
| Entity File Number | 001-31822 |
| Entity Registrant Name | Accelerate Diagnostics, Inc. |
| Entity Central Index Key | 0000727207 |
| Entity Tax Identification Number | 84-1072256 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 3950 South Country Club Road |
| Entity Address, Address Line Two | Suite 470 |
| Entity Address, City or Town | Tucson |
| Entity Address, State or Province | AZ |
| Entity Address, Postal Zip Code | 85714 |
| City Area Code | 520 |
| Local Phone Number | 365-3100 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value per share |
| Trading Symbol | AXDX |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
