Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2023	Aug. 07, 2023
Document And Entity Information Abstract
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2023
Document Fiscal Year Focus	2023
Document Transition Report	false
Entity File Number	001-39421
Entity Registrant Name	Orchestra BioMed Holdings, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	92-2038755
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
Title of 12(b) Security	Common stock, par value $0.0001 per share
Trading Symbol	OBIO
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		35,743,742
Entity Central Index Key	0001814114
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Amendment Flag	false