Inventory (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Inventory [Line Items]
Inventory	$ 17,730	$ 21,139
Supplies, embryos and other production materials
Inventory [Line Items]
Inventory	2,185	1,835
Work in process
Inventory [Line Items]
Inventory	4,618	5,466
Livestock
Inventory [Line Items]
Inventory	8,738	11,752
Feed
Inventory [Line Items]
Inventory	$ 2,189	$ 2,086