Commitments and Contingencies - Settlement and Royalty Indemnity (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Settlement and Royalty Indemnification	$ 5,656	$ 6,502
Legal settlements	5,050	0
Legal settlements and accruals, current	10,706	6,502
Settlement and Royalty Indemnification, long-term	5,382	13,797
Legal settlements and accruals, long-term	$ 16,088	$ 20,299