Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	$ 543,397	$ 243,955
Accumulated depreciation	(165,641)	(158,259)
Net property and equipment	377,756	85,696	[1]
Machinery and Equipment, Gross	216,304	96,536
Furniture and Fixtures, Gross	3,748	3,243
Construction in Progress, Gross	33,885	15,180
Land, Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	201,517	63,524
Molds [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	49,440	39,014
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, cost	$ 38,503	$ 26,458

[1] December 31, 2016 balances were derived from audited consolidated financial statements.