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INVESTMENTS - Activity in Investments (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Investments rollforward
Additions/transfers during the period	$ 1,777
Fair Value end of the period	1,777
Marketable equity securities
Investments rollforward
Opening balance		$ 1,885
Additions/transfers during the period	1,616
Net gain (loss) on securities sold		(619)
Disposals/transfers during period		(1,266)
Fair Value end of the period	1,616	$ 0
Warrants
Investments rollforward
Additions/transfers during the period	161
Fair Value end of the period	$ 161

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Cash flow for purchase of available for sale and trading securities.

+ References

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- Definition

The cash inflow associated with the sale of equity securities classified as available-for-sale or trading securities. This refers to cash disposals and includes conversions and removals.

+ References

No definition available.

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

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- Definition

Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=120269885&loc=SL75117546-209714

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(d))
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

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