Document and Entity Information - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Mar. 12, 2018	Jun. 30, 2017
Entity Registrant Name	PetIQ, Inc.
Entity Central Index Key	0001668673
Document Type	10-K
Document Period End Date	Dec. 31, 2017
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Public Float			$ 0
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Class A
Entity Common Stock, Shares Outstanding		15,366,889
Class B common stock
Entity Common Stock, Shares Outstanding		8,072,886