Basis of Presentation and Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Related Party Transaction [Line Items]
Research, design and development expense	$ 2,200	$ 2,900	$ 5,100	$ 5,600
Prepaid advertising and promotional endorsement costs	4,100		4,100		$ 4,500
Advertising, production, promotional and agency expenses	27,656	29,342	39,668	37,598
Blackstone [Member]
Related Party Transaction [Line Items]
Paid for services received	$ 400	$ 200	$ 500	$ 400
Series A Preferred Stock [Member]
Related Party Transaction [Line Items]
Percentage of common stock if-converted Series A preferred stock (percent)			15.90%