Stock-Based Compensation (Restricted Shares) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions |
12 Months Ended | ||
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Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Weighted average GDFV of unvested shares (in dollars per share) | $ 46.21 | ||
Aggregate fair value of all restricted shares | $ 21.9 | $ 2.3 | $ 1.3 |
RSAs | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Unvested restricted stock (in shares) | 885 | ||
RSUs | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Unvested restricted stock (in shares) | 138 |
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. 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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