INVESTMENTS - Activity in Investments (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Investments rollforward
Opening balance	$ 1,295	$ 1,806	$ 1,806
Additions/transfers during the period	33,907
Unrealized gain on securities held	15,651	(375)	(511)
Ending balance	40,833		1,295
Marketable equity securities
Investments rollforward
Opening balance	1,133	1,644	1,644
Additions/transfers during the period	33,907
Unrealized gain on securities held			(511)
Ending balance			1,133
Warrants
Investments rollforward
Opening balance	$ 162	$ 162	162
Ending balance			$ 162