| Cover | Jan. 30, 2025 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 30, 2025 |
| Entity File Number | 001-39421 |
| Entity Registrant Name | ORCHESTRA BIOMED HOLDINGS, INC. |
| Entity Central Index Key | 0001814114 |
| Entity Tax Identification Number | 92-2038755 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 150 Union Square Drive |
| Entity Address, City or Town | New Hope |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 18938 |
| City Area Code | 215 |
| Local Phone Number | 862-5797 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, par value $0.0001 per share |
| Trading Symbol | OBIO |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
