Stock-Based Compensation - PSUs to be Settled in Common Stock (Details) - USD ($) $ in Thousands, shares in Millions |
3 Months Ended | |
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Mar. 31, 2021 |
Mar. 31, 2020 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Non-cash stock compensation expense | $ 18,687 | $ 14,912 |
| Performance Stock Units | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Required performance period | 3 years | |
| Non-cash stock compensation expense | $ 3,600 | $ 2,900 |
| Number of common shares issued in connection with performance units (in shares) | 0.5 | 0.5 |
| Performance Stock Units | Minimum | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Performance units performance percentage | 0.00% | |
| Performance Stock Units | Maximum | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Performance units performance percentage | 200.00% | |
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- Definition Performance Based Award Performance Percentage No definition available.
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- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 Number of shares issued under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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