INVESTMENT IN EQUITY SECURITIES - Narrative (Details) € in Thousands				1 Months Ended					3 Months Ended		6 Months Ended		12 Months Ended				16 Months Ended	66 Months Ended
	Jul. 07, 2021 USD ($)	Apr. 01, 2020 USD ($)	Jan. 01, 2020 USD ($)	Mar. 31, 2022 USD ($) shares	Oct. 31, 2021 USD ($) shares	Sep. 30, 2021 USD ($)	Nov. 30, 2020 USD ($)	Aug. 31, 2019 USD ($) investment	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2009 EUR (€)	Jun. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2021
Schedule of Equity Method Investments [Line Items]
Losses from equity method investment									$ 276,000	$ (81,000)	$ 362,000	$ 434,000
Proceeds from sale of investment in equity securities											1,088,000	0
Net investment (loss) gain									(483,000)	(1,611,000)	(1,733,000)	15,198,000
Net unrealized investment gain									(483,000)	(1,611,000)	(2,574,000)	15,198,000
Other Investments
Schedule of Equity Method Investments [Line Items]
Investment impairment											0
BTY
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method investment			49.00%
Investment in unconsolidated affiliate			$ 32,000,000
Initial lock-up period (in years)			5 years
Second lock-up period (in years)			3 years
BTY | Call Option | Minimum
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method investment			26.00%
BTY | Call Option | Maximum
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method investment			31.00%
Sonmol
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method investment		30.00%
Investment in unconsolidated affiliate		$ 5,000,000
Kali Care
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method investment															20.00%
Investment in unconsolidated affiliate															$ 5,000,000
Losses from equity method investment																		$ 1,600,000
Investment impairment													$ 400,000	$ 3,000,000
Investment impairment, net													$ 300,000	2,300,000
Note receivable, gross									1,500,000		1,500,000						$ 1,500,000	$ 1,500,000
Note receivable, bad debt reserve				$ 1,500,000
Proceeds from collection of note receivable									$ 100,000
Note receivable collection period (in years)									3 years
Desotec GmbH
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method investment																23.00%
Investment in unconsolidated affiliate | €																€ 574
Loop and Purecycle | Preferred stock
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated affiliate								$ 3,500,000
Number of preferred equity investments | investment								2
Increase (decrease) in value of preferred equity stock investment														1,400,000
PureCycle
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage																			0.01
PureCycle | Preferred stock
Schedule of Equity Method Investments [Line Items]
Equity received in exchange for services						$ 333,000								$ 333,000
Increase (decrease) in value of preferred equity stock investment							$ 3,100,000
FDA milestone tranche						$ 1,000,000
Number of shares sold (in shares) | shares				107,600	191,349
Proceeds from sale of investment in equity securities				$ 1,100,000	$ 2,400,000
Realized gain on investments				$ 841,000	$ 2,000,000
Net investment (loss) gain									$ (500,000)	$ (1,600,000)	$ (1,700,000)	$ 15,200,000
Net unrealized investment gain																	$ 3,900,000
YAT
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated affiliate	$ 5,900,000
Investment ownership percentage	0.10