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RELATED PARTY TRANSACTIONS - Narrative Part 1 (Details)							1 Months Ended	12 Months Ended
	Feb. 05, 2024 USD ($)	Feb. 01, 2024 USD ($) loanReceivable	Dec. 01, 2023 USD ($)	Aug. 31, 2023 USD ($) member	Nov. 01, 2021 USD ($)	Aug. 25, 2021 USD ($) member	Mar. 31, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Related Party Transactions (Details) [Line Items]
Accounts payable								$ 44,550,000	$ 81,384,000
Total revenues								1,643,600,000	1,080,670,000	$ 1,554,698,000
Subsequent Event
Related Party Transactions (Details) [Line Items]
Number of loan receivables | loanReceivable		1
Loans receivable fair value		$ 4,521,000
Related Party
Related Party Transactions (Details) [Line Items]
Other receivables, net, current								172,000	1,081,000
Accounts payable								2,731,000
Interest income								3,427,000
Funds | Related Party
Related Party Transactions (Details) [Line Items]
Management fees								1,725,000	6,937,000	5,094,000
Bebe's Rent | Related Party
Related Party Transactions (Details) [Line Items]
Accounts payable									2,480,000
Whitehawk | Related Party
Related Party Transactions (Details) [Line Items]
Management fees								$ 1,142,000	1,173,000	1,729,000
Whitehawk | Related Party | Subsequent Event
Related Party Transactions (Details) [Line Items]
Loans receivable, at fair value		$ 4,584,000
Babcock and Wilcox | Related Party
Related Party Transactions (Details) [Line Items]
Service agreement, termination								30 days
Service fees								$ 750,000
Performance fee							$ 1,000,000
Underwriting and financial advisory fees								0	154,000	15,766,000
Maven | Related Party
Related Party Transactions (Details) [Line Items]
Loans receivable fair value									98,729,000
Loans receivable, at fair value			$ 78,796,000
Loans receivable, additional fair value disclosure				$ 6,000,000
Interest on loan payable percentage				10.00%
Number of senior management members | member				2
Sale of equity securities			16,576,000
Equity securities, FV-NI, realized gain (loss)			3,315,000
Loans and leases receivable, gain (loss) on sales, net			$ (28,919,000)
Number of senior management members resigned | member				2
Interest income								10,882,000	7,540,000	7,188,000
Total revenues								0	2,023,000
APLD | Related Party
Related Party Transactions (Details) [Line Items]
Loans receivable fair value								5,500,000
Total revenues								0	2,321,000	3,513,000
Term loan interest								3,150,000
APLD | Related Party | Subsequent Event
Related Party Transactions (Details) [Line Items]
Loans receivable fair value	$ 0
California Natural Resources Group LLC | Related Party
Related Party Transactions (Details) [Line Items]
Interest income									$ 19,000	$ 416,000
Extended a bridge promissory note					$ 34,393,000
Accrued interest, percentage					10.00%
Guaranteed obligations								$ 7,375
California Natural Resources Group LLC | Related Party | California Natural Resources Group LLC
Related Party Transactions (Details) [Line Items]
Rate of equity interests					25.00%
Charah Solutions, Inc. | Related Party
Related Party Transactions (Details) [Line Items]
Number of senior management members | member						1
Interest income						$ 1,122,000
Accrued interest, percentage						8.00%
Extended promissory note						$ 17,852,000
Commitment fee payable, percentage						2.50%

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