Commitments and Contingencies (Details) $ in Millions	Jul. 16, 2014 plaintiff	May 07, 2014 claim	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Loss Contingencies [Line Items]
Potential earn-out payment | $			$ 9.3
Earn-outs | $			$ 8.7	$ 9.2
Jorge Duran vs. VCA Animal Hospitals
Loss Contingencies [Line Items]
Claims dismissed | claim		4
Total claims | claim		8
Kimba Bradsbery and Cheri Brakensiek vs. Vicar Operating, Inc.
Loss Contingencies [Line Items]
Number of plaintiffs | plaintiff	2