| Stock-Based Compensation (Schedule of Weighted Average Assumptions) (Details) | 3 Months Ended | 
|---|---|
| Mar. 31, 2021  $ / shares | |
| Stock Options [Member] | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Weighted average grant date fair value | $ 17.26 | 
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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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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Details 
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