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MARKETABLE SECURITIES: (Schedule of Changes in Fair Value of Company's Marketable Securities) (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Balance at beginning of the period	$ 1,709	$ 21,652	$ 21,652
Additions	10,006	4,065	6,716
Sale or maturity	(1,734)	(18,946)	(26,784)
Change in fair value during the period	(135)	$ 59	125
Balance at end of the period	$ 9,846		$ 1,709

X

- Definition

Cash inflow from changes in fair value of marketable securities.

+ References

No definition available.

+ Details

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- References

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- Definition

Amount of investment in marketable security, classified as current.

+ References

No definition available.

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- Definition

Amount of cash outflow for purchase of marketable security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26853-111562

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- Definition

The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.

+ References

No definition available.

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