ACQUISITION AND RELATED PARTY ITEMS - RELATED PARTY ITEMS (Details) - USD ($) $ in Thousands	5 Months Ended	12 Months Ended
	May 31, 2016	Dec. 31, 2016	Dec. 31, 2015
Related Party Transaction [Line Items]
Note receivable – related party		$ 0	$ 1,516
Due from – related parties		100	$ 308
Affiliated Entity | Cuattro, LLC
Related Party Transaction [Line Items]
Related party - amount of transaction		200
Affiliated Entity | Heska Imaging
Related Party Transaction [Line Items]
Related party - amount of transaction		5,300
Due from – related parties		$ 5,600
Heska Imaging | Immediate Family Member of Management or Principal Owner | Shawna M. Wilson
Related Party Transaction [Line Items]
Ownership percentage		29.75%
Heska Imaging | Executive Officer | Clint Roth
Related Party Transaction [Line Items]
Ownership percentage		8.39%
Heska Imaging | Executive Officer | Steven M. Asakowicz
Related Party Transaction [Line Items]
Ownership percentage		4.09%
Heska Imaging | Executive Officer | Rodney A. Lippincott
Related Party Transaction [Line Items]
Ownership percentage		3.07%
Heska Imaging | Chief Executive Officer | Kevin S. Wilson
Related Party Transaction [Line Items]
Ownership percentage		0.05%
Heska Imaging | Affiliated Entity | Cuattro, LLC
Related Party Transaction [Line Items]
Ownership percentage		0.05%
Heska Imaging | Affiliated Entity | International Imaging
Related Party Transaction [Line Items]
Note receivable – related party		$ 1,600
Cuattro, LLC | Affiliated Entity | Global Imaging
Related Party Transaction [Line Items]
Related party - amount of transaction		10,900
Cuattro, LLC | Affiliated Entity | Heska Imaging
Related Party Transaction [Line Items]
Related party - amount of transaction	$ 3,600
Global Imaging | Affiliated Entity | Heska Imaging
Related Party Transaction [Line Items]
Due from – related parties		1,200
International Imaging | Affiliated Entity | Cuattro, LLC
Related Party Transaction [Line Items]
Due from – related parties		$ 100