Earnings per Share - Reconciliation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator:
Net income (loss)	$ 456	$ (49,571)	$ 19,790	$ (41,733)
Less: net income (loss) attributable to non-controlling interests	5	(435)	172	(360)
Net income (loss) attributable to PetIQ, Inc.	$ 451	$ (49,136)	$ 19,618	$ (41,373)
Denominator:
Weighted-average shares of Class A common stock outstanding — basic (in shares)	29,181	29,224	29,116	29,224
Dilutive effect of conversion of Notes (in shares)	0	0	0	0
Weighted-average shares of Class A common stock outstanding — diluted (in shares)	29,715	29,224	29,386	29,224
Earnings Per Share
Income (loss) per share of Class A common stock — basic (in dollars per share)	$ 0.02	$ (1.68)	$ 0.67	$ (1.42)
Income (loss) per share of Class A common stock — diluted (in dollars per share)	$ 0.02	$ (1.68)	$ 0.67	$ (1.42)
Stock options
Denominator:
Dilutive impact of share-based compensation awards (in shares)	534	0	270	0