Employee Benefit Plans - Aquantia Plans Assumed (Details) - Aquantia Plans	Sep. 19, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common stock issuable (in shares)	2,128,823
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common stock issuable (in shares)	805,965
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common stock issuable (in shares)	1,322,858