Balance Sheet Components Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Notes To Financial Statements [Abstract]
Accrued payroll and benefits	$ 82,256	$ 162,486
Accrued expenses	55,844	55,529
Current operating lease liabilities	20,860	15,737
Accrued professional fees	19,506	10,410
Accrued sales tax and value added tax	11,733	9,089
Accrued warranty	11,629	11,205	$ 10,499	$ 8,551
Others	42,946	55,502
Accrued liabilities	$ 244,774	$ 319,958