Cash Equivalents and Investments (Narrative) (Details) - USD ($) |
1 Months Ended | 12 Months Ended | |
|---|---|---|---|
Apr. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Debt and Equity Securities, FV-NI [Line Items] | |||
| Gross realized gains (losses) | $ 0 | $ 0 | |
| Common Stock [Member] | |||
| Debt and Equity Securities, FV-NI [Line Items] | |||
| Investment | $ 899,000 | ||
| Maximum [Member] | Common Stock [Member] | |||
| Debt and Equity Securities, FV-NI [Line Items] | |||
| Minority investment, ownership percentage | 10.00% | ||
| X | ||||||||||
- Definition Minority Investment, Percentage Ownership No definition available.
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- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. No definition available.
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- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Details
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