INVESTMENTS - Activity in Investments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Investments rollforward
Additions/transfers during the period	$ 1,777
Unrealized gain (loss) on securities held	28
Fair Value end of the period	1,806
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)
Unrealized gain (loss) on securities held	28
Fair Value end of the period	1,644
Warrants
Investments rollforward
Additions/transfers during the period	162
Fair Value end of the period	$ 162