Certain Balance Sheet Components Certain Balance Sheet Components - Accrued and other current liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Accrued employee compensation and related expenses		$ 19,377	$ 12,083
Accrued TVN VDP, current (1)	[1]	6,597
Accrued warranty		4,862	3,913
Customer deposits		4,537	953
Contingent inventory reserves		2,210	1,315
Accrued royalty payments		1,912	873
Other		15,655	12,217
Total		$ 55,150	$ 31,354

[1] See Note 11, “Restructuring and related charges-TVN VDP,” for additional information on the Company’s TVN VDP liabilities.