Non-Controlling Interests (Details) - shares	Sep. 30, 2017	Jul. 20, 2017
LLC Interests outstanding	13,222,583
Ownership interest by continuing LLC owners	38.50%	38.50%
Ownership interest in Holdco	61.50%	61.50%
Continuing LLC Owners
LLC Interests outstanding	8,268,188
Amended Holdco LLC Agreement
LLC Interests outstanding	21,490,771
Ownership interest in Holdco	61.50%
Pet, LLC and Subsidiaries (the "Company")
Number of shares purchased	3,556,666
Pet, LLC and Subsidiaries (the "Company") | Continuing LLC Owners
Number of shares purchased	133,334
Holdco | Amended Holdco LLC Agreement
Number of shares purchased	9,532,583