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CREDIT FROM BANKING INSTITUTIONS (Narrative) (Details) $ in Thousands, ₪ in Millions	1 Months Ended						12 Months Ended
	Mar. 31, 2021 USD ($)	Mar. 31, 2021 ILS (₪)	Dec. 31, 2018 USD ($)	Dec. 31, 2018 ILS (₪)	Aug. 31, 2018 USD ($)	Aug. 31, 2018 ILS (₪)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Repayments of long term debt							$ 23,576	$ 18,157	$ 8,938
Amount of total equity							132,460	$ 127,192
Unutilized short-term lines of credit							$ 900
Loan Covenants [Member]
Debt Instrument [Line Items]
Ratio of total equity							30.00%
Amount of total equity							$ 15,000
EBITDA amount							$ 10,000
Commercial Israeli Bank [Member]
Debt Instrument [Line Items]
Proceeds from long term debt					$ 81,700
Long term debt term					5 years	5 years
Interest rate					0.53%	0.53%	1.60%
Repayments of long term debt	$ 6,000		$ 8,000
Commercial Israeli Bank [Member] | ILS [Member]
Debt Instrument [Line Items]
Proceeds from long term debt | ₪						₪ 296
Repayments of long term debt | ₪		₪ 20		₪ 30

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