CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income (loss) after equity in losses from unconsolidated affiliates	$ (567)	$ (6,474)	$ 1,304	$ (11,913)
Other comprehensive income (loss):
Translation adjustments and gains (losses) from intra-entity transactions	1,852	2,216	(3,531)	1,860
Comprehensive income (loss)	1,285	(4,258)	(2,227)	(10,053)
Comprehensive loss attributable to redeemable non-controlling interest	0	(117)	0	(268)
Comprehensive income (loss) attributable to Heska Corporation	$ 1,285	$ (4,141)	$ (2,227)	$ (9,785)