Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 02, 2022
Document Information [Line Items]
Entity Central Index Key	0000914156
Entity Registrant Name	UFP TECHNOLOGIES INC
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2022
Document Transition Report	false
Entity File Number	001-12648
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	04-2314970
Entity Address, Address Line One	100 Hale Street
Entity Address, City or Town	Newburyport
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	01950
City Area Code	978
Local Phone Number	352-2200
Title of 12(b) Security	Common Stock
Trading Symbol	UFPT
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		7,566,531