Area of a real estate property.

No definition available.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

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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).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

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- Definition

Percentage of vesting of share-based compensation awards.

+ References

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value

+ References

No definition available.

+ Details

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Percent of Performance-based Awards

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number of People Granted Awards

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Subsequent Events (Narrative) (Details) $ in Millions					12 Months Ended
Subsequent Events (Narrative) (Details) $ in Millions	Mar. 13, 2019 USD ($) people shares	May 17, 2018 shares	Mar. 21, 2018 shares	Feb. 16, 2018 people shares	Dec. 31, 2018 shares	Dec. 31, 2017 shares	Dec. 31, 2016 shares	Feb. 17, 2019 ft²
Restricted Stock Units (RSUs)
Subsequent Event [Line Items]
Number of people granted awards \| people				3
Number of RSUs granted (in shares) \| shares		9,294	13,215	52,166	74,000	98,000	129,000
Award vesting period			3 years	3 years
Subsequent Event \| Restricted Stock Units (RSUs)
Subsequent Event [Line Items]
Restricted stock units grant date fair value \| $	$ 1.8
Number of RSUs granted (in shares) \| shares	38,860
Subsequent Event \| Restricted Stock Units (RSUs) \| Vesting on January 1, 2022
Subsequent Event [Line Items]
Award vesting rights (percentage)	25.00%
Subsequent Event \| Performance Shares
Subsequent Event [Line Items]
Award vesting period	3 years
Israel \| Subsequent Event
Subsequent Event [Line Items]
Area of real estate property \| ft²								121,400
Executive Officer \| Subsequent Event \| Restricted Stock Units (RSUs)
Subsequent Event [Line Items]
Number of people granted awards \| people	3
Executive Officer \| Subsequent Event \| Performance Shares
Subsequent Event [Line Items]
Percentage of performance based units on total units approved	75.00%