| Cover | Jan. 19, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 19, 2024 |
| Entity File Number | 001-40236 |
| Entity Registrant Name | Edgewise Therapeutics, Inc. |
| Entity Central Index Key | 0001710072 |
| Entity Tax Identification Number | 82-1725586 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 1715 38th St. |
| Entity Address, City or Town | Boulder |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80301 |
| City Area Code | 720 |
| Local Phone Number | 262-7002 |
| 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 | EWTX |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
