REVENUE RECOGNITION (Schedule of Company's Revenues According to Company's Segments) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Revenue	$ 126,126	$ 164,492
Airport Security and Other Aviation Services [Member]
Segment Reporting Information [Line Items]
Revenue	113,840	152,622
Technology [Member]
Segment Reporting Information [Line Items]
Revenue	$ 12,286	$ 11,870

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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+ Details