Consolidated Statements of Preferred Units and Stockholders' Equity/Members' Deficit - USD ($) $ in Thousands	Total	Merger [Member]	Preferred Units [Member]	Common Units [Member]	Common Stock [Member]	Common Stock [Member] Merger [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Merger [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Yumanity Holdings LLC [Member]	Yumanity Holdings LLC [Member] Preferred Units [Member]	Yumanity Holdings LLC [Member] Common Units [Member]	Yumanity Holdings LLC [Member] Defaulting Class B Preferred Units [Member]	Yumanity Holdings LLC [Member] Common Stock [Member]	Yumanity Holdings LLC [Member] Additional Paid-in Capital [Member]	Class C Preferred Units [Member] Preferred Units [Member]	Class B Preferred Units [Member]	Class B Preferred Units [Member] Preferred Units [Member]	Class B Preferred Units [Member] Defaulting Class B Preferred Units [Member]	Class B Preferred Units [Member] Accumulated Deficit [Member]
Beginning balance at Dec. 31, 2018	$ (62,244)		$ 89,699	$ 3,575					$ (8)	$ (65,811)
Beginning balance, shares at Dec. 31, 2018			12,391,101	2,167,179
Forfeiture of unvested incentive units, shares				(4,080)
Stock/equity-based compensation expense	1,545			$ 1,545
Unrealized gains on marketable securities	8								$ 8
Gain on extinguishment of Ordinary Class B preferred units																		$ 0
Net loss	(31,209)									(31,209)
Ending balance at Dec. 31, 2019	(91,900)		$ 89,699	$ 5,120						(97,020)
Ending balance, shares at Dec. 31, 2019			12,391,101	2,163,099
Forfeiture of unvested incentive units, shares				(790)
Stock/equity-based compensation expense	2,266			$ 2,266
Gain on extinguishment of Ordinary Class B preferred units																		6,697	$ (6,697)		$ 6,697
Exchange of common stock in connection with the Merger		$ 60,130				$ 3		$ 60,127
Exchange of common stock in connection with the Merger, shares						2,708,537
Fair value of replacement equity	471						$ 471
Reclassification of warrant liability to permanent equity	189						189
Issuance of common stock, net of issuance costs																	$ 21,235
Issuance of common stock, net of issuance costs, shares																	5,404,588
Exchange of Units, Value											$ 103,949				$ 4	$ 104,233
Exchange of Units, Number															3,745,983
Exchange of Units, Value												$ (103,949)		$ (288)
Exchange of Units, Number												(16,959,370)		(836,319)
Exchange of Units, Number													(2,162,309)		2,278,450				(836,319)	836,319
Exchange of Units, Value													$ (7,386)		$ 2	$ 7,384		$ 288	$ (288)	$ 288
Private placement of common stock for payment of consulting services	31,604				$ 1		31,603
Private placement of common stock for payment of consulting services, shares					1,460,861
Net loss	(57,487)									(57,487)
Ending balance at Dec. 31, 2020	$ 56,207				$ 10		$ 204,007			$ (147,810)
Ending balance, shares at Dec. 31, 2020					10,193,831