Cover Page - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2022	Feb. 22, 2023	Jun. 30, 2022
Cover page.
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2022
Entity File Number	0-18592
Entity Registrant Name	MERIT MEDICAL SYSTEMS INC
Entity Incorporation, State or Country Code	UT
Entity Central Index Key	0000856982
Entity Tax Identification Number	87-0447695
Entity Address, Address Line One	1600 West Merit Parkway
Entity Address, City or Town	South Jordan
Entity Address, State or Province	UT
Entity Address, Postal Zip Code	84095
City Area Code	801
Local Phone Number	253-1600
Title of 12(b) Security	Common Stock, no par value
Trading Symbol	MMSI
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	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		57,318,032
Entity Public Float			$ 3.0
Auditor Name	DELOITTE & TOUCHE LLP
Auditor Firm ID	34
Auditor Location	Salt Lake City, Utah
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false