Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Abstract]
Depreciation and Amortization expense	$ 9,200	$ 8,200	$ 4,900
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	186,064	129,841
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(23,832)	(14,681)
Property, plant, and equipment, Net	162,232	115,160
Purchased industrial revenue bonds		55,000
Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	59,314	59,315
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	49,079	47,234
Software and Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	14,849	11,641
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	4,599	4,055
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	1,772	1,585
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	1,477	1,413
Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	493	493
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	401	346
Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	189	86
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	53,891	$ 3,673
City of Joplin, MO [Member]
Property, Plant and Equipment [Line Items]
Principal amount of industrial revenue bonds			83,300
Heartland and Jasper County, MO [Member]
Property, Plant and Equipment [Line Items]
Principal amount of industrial revenue bonds			$ 55,000
Heartland Pet Food Mfg. [Member] | City of Joplin, MO [Member]
Property, Plant and Equipment [Line Items]
Purchased industrial revenue bonds	10,800
Heartland Pet Food Mfg. [Member] | Heartland and Jasper County, MO [Member]
Property, Plant and Equipment [Line Items]
Purchased industrial revenue bonds	$ 55,000