Maximum term of the awards granted under the plan.

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- Definition

Restricted stock awarded subject to performance condition.

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No definition available.

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- Definition

The number of shares that has to be settled in cash upon vesting.

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No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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.

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No definition available.

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

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No definition available.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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Equity Awards (Details) - USD ($) $ in Thousands	12 Months Ended
Equity Awards (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum term of the awards granted under the Plan	10 years
Net cash proceeds related to stock options exercised	$ 8,648
Additional shares authorized for grants	700,000
Stock-based compensation cost which has not yet been recognized	$ 17,800
Stock-based compensation cost recognized period, in months	28 months
Restricted stock awarded subject to performance condition	530,000
2018 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards issued	0
Number of awards outstanding	0
Restricted stock and restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants, Number of shares or units	159,005	75,140	188,737
Number of shares to be settled in cash upon vesting	9,100