FAIR VALUE MEASUREMENTS - Schedule of Digital Currency Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Indefinite-lived Intangible Assets [Line Items]
Digital assets	$ 19,663	$ 234,298
Bitcoin (BTC)
Indefinite-lived Intangible Assets [Line Items]
Digital assets	19,619	224,843
Ethereum (ETH)
Indefinite-lived Intangible Assets [Line Items]
Digital assets	22	4,665
Polygon (MATIC)
Indefinite-lived Intangible Assets [Line Items]
Digital assets	0	1,085
Siacoin (SC)
Indefinite-lived Intangible Assets [Line Items]
Digital assets	0	803
Dai (DAI)
Indefinite-lived Intangible Assets [Line Items]
Digital assets	0	1,353
Digital assets-Other
Indefinite-lived Intangible Assets [Line Items]
Digital assets	$ 22	$ 1,549