The Company and Summary of Significant Accounting Policies - Other Intangible Assets (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Amortization of intangible assets | $ 2.0 | $ 2.1 |
| Amortizable intangible assets 2021 | 1.4 | |
| Amortizable intangible assets 2022 | 1.3 | |
| Amortizable intangible assets 2023 | 1.3 | |
| Amortizable intangible assets 2024 | 1.3 | |
| Amortizable intangible assets 2025 | $ 1.0 | |