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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Relevant Exchange Rates) (Details)		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
IL [Member]
Dollar Exchange Rate of Relevant Currencies [Line Items]
Exchange rate of one US dollar		3.215	3.456	3.748
Increase (decrease) during the year: Exchange rate of one US dollar		(6.97%)	(7.79%)	8.10%
BR [Member]
Dollar Exchange Rate of Relevant Currencies [Line Items]
Exchange rate of one US dollar		5.1967	4.0307	3.8748
Increase (decrease) during the year: Exchange rate of one US dollar		28.93%	4.02%	17.13%
Israeli Consumer Price Index [Member]
Dollar Exchange Rate of Relevant Currencies [Line Items]
Israeli consumer price index	[1]	113.84	114.63	113.95
Increase (decrease) during the year: Exchange rate of one US dollar	[1]	(0.69%)	0.60%	0.80%
[1] Based on the Index for the month ending on each balance sheet date, on the basis of 2008 average 100.

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Israeli consumer price index.

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Dollar Exchange Rate Of Relevant Currencies [Line Items]

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The percentage increase (decrease) in exchange rate during the year.

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Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901

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