Condensed, Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Allowance for uncollectible accounts	$ 22,781	$ 23,440
Commitments and contingencies
Liabilities and Equity
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	11,000,000	11,000,000
Preferred stock, shares outstanding	0	0
VCA Inc. stockholders’ equity:
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	175,000,000	175,000,000
Common stock, shares outstanding	81,270,000	81,231,000