SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NARRATIVE (Details) $ in Thousands				1 Months Ended	12 Months Ended
	Sep. 27, 2022 USD ($)	May 03, 2022 USD ($)	Feb. 03, 2022 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) segment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jan. 27, 2023
Accounting Policies [Line Items]
Number of reportable segments | segment					1
Number of operating segments | segment					1
Cash and cash equivalents					$ 357,313	$ 103,705
Cash, FDIC insured amount					225,000
Deposits					67,000	43,300
Loss on hedge instruments					17,421	0	$ 0
Cash payments on hedge settlements					$ 2,004	$ 0	0
Number of open derivative contracts					0	0
Investments					$ 106,292	$ 37,000
Share of net losses					617	0	$ 0
Treasury Bills and Other Government Backed Securities
Accounting Policies [Line Items]
Cash, uninsured amount					95,700
Bitcoin
Accounting Policies [Line Items]
Bitcoin payments on hedge settlements					15,400
ADGM Entity
Accounting Policies [Line Items]
Equity method investment, ownership percentage								20.00%
Share of net losses					600
Equity method investments					69,300
Auradine, Inc.
Accounting Policies [Line Items]
Payments to acquire investments				$ 15,000
Preferred Stock | Auradine, Inc.
Accounting Policies [Line Items]
Investments	$ 35,500	$ 3,500
Payments to acquire investments	$ 30,000	30,000
Preferred Stock | Safe Agreement
Accounting Policies [Line Items]
Investments		$ 2,000
Compute North Holdings, Inc. | Convertible Preferred Stock
Accounting Policies [Line Items]
Payments to acquire equity securities			$ 10,000
SAFE Investment
Accounting Policies [Line Items]
Investments					$ 1,000	$ 1,000