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Subsequent Events (Details) - shares	1 Months Ended	12 Months Ended
	Jan. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	[1]
Subsequent Event [Line Items]
Options granted		137,010	119,925	116,455
Subsequent Event [Member] | Global Share Incentive Plan (2013) [Member]
Subsequent Event [Line Items]
Options granted	141,928
[1] In 2016 the Company granted in the aggregate, 116,455 options. Regarding the grant of 93,660 options, see Note 12E. Regarding the grant of 22,795 options, see Note 3B.

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- Definition

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

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No definition available.

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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.

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No definition available.

+ Details

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- Details

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