Earnings (Loss) per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net (loss) income	$ (2,633)	$ 2,326
Net (loss) income attributable to non-controlling interest	(530)	715
Net (loss) income attributable to PetIQ, Inc.	$ (2,103)	$ 1,611
Denominator:
Basic weighted average shares (in shares)	23,728	21,800
Weighted-average shares of Class A common stock outstanding - diluted (in shares)	23,728	21,978
Basic net income (loss) per common share	$ (0.09)	$ 0.07
Diluted net (loss) income per common share	$ (0.09)	$ 0.07
Stock options
Denominator:
Dilutive effects of stocks		171
Anti dilutive shares excluded from computation of diluted earnings per share	748	30
RSU
Denominator:
Dilutive effects of stocks		7