Balance Sheet Account Detail (Property and Equipment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 38,070		$ 38,070		$ 37,693
Accumulated depreciation	(13,262)		(13,262)		(11,997)
Property and equipment, net	24,808		24,808		25,696
Depreciation expense	1,100	$ 500	2,200	$ 1,000
Production equipment, molds, and office furniture
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	14,054		14,054		12,943
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	7,075		7,075		6,457
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	16,368		16,368		15,729
Construction in progress (software and related implementation, production equipment, and leasehold improvements)
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 573		$ 573		$ 2,564