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RELATED PARTY TRANSACTIONS - Narrative Part 1 (Details) |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended |  |  |  |  |
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Feb. 14, 2024 USD ($) | Dec. 18, 2023 USD ($) | Dec. 01, 2023 USD ($) | Aug. 31, 2023 USD ($) member | Aug. 21, 2023 USD ($) | Oct. 28, 2019 | Mar. 31, 2022 USD ($) | Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($) | Feb. 05, 2024 USD ($) | Feb. 01, 2024 USD ($) loanReceivable | Dec. 31, 2023 USD ($) | May 10, 2023 USD ($) | Dec. 31, 2022 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due from related parties |  |  |  |  |  |  |  | $ 92,000 |  |  |  | $ 172,000 |  |
Due to related parties and partners |  |  |  |  |  |  |  | 1,763,000 |  |  |  | 2,731,000 |  |
Accounts payable |  |  |  |  |  |  |  | 44,791,000 |  |  |  | 44,550,000 |  |
Inventory |  |  |  |  |  |  |  | 105,397,000 |  |  |  | 110,482,000 |  |
Number of loan receivables | loanReceivable |  |  |  |  |  |  |  |  |  |  | 1 |  |  |
Loans receivable fair value |  |  |  |  |  |  |  |  |  |  | $ 4,521,000 |  |  |
Services and fees |  |  |  |  |  |  |  | 257,303,000 | $ 235,559,000 |  |  |  |  |
Loans receivable, at fair value |  |  |  |  |  |  |  | 452,496,000 |  |  |  | 532,419,000 |  |
Loans receivable, at fair value (includes $355,287 and $387,657 from related parties as of March 31, 2024 and December 31, 2023, respectively) |  |  |  |  |  |  |  | 452,496,000 |  |  |  | 532,419,000 |  |
Retail Industry |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable, at fair value |  |  |  |  |  |  |  | 147,630,000 |  |  |  | 167,568,000 |  |
Senior notes payable |  |  |  |  |  |  |  | 58,350,000 |  |  |  | 62,808,000 |  |
FRG |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of equity investments |  |  |  |  | $ 281,144,000 |  |  |  |  |  |  |  |  |
Freedom VCM Holdings, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Inventory |  |  |  |  |  |  |  | 3,539,000 |  |  |  |  |  |
Purchase of equity investments |  |  |  |  | $ 216,500,000 |  |  |  |  |  |  |  |  |
Loans receivable, at fair value |  |  |  |  |  |  |  | 15,868,000 |  |  |  | 20,624,000 |  |
Freedom VCM Holdings, LLC | Equity Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other commitment |  |  |  |  |  |  |  |  |  |  |  |  | $ 560,000,000 |
FRG Investment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests |  |  |  |  | 31.00% |  |  |  |  |  |  |  |  |
Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest income, operating |  |  |  |  |  |  |  | 2,154,000 |  |  |  |  |  |
Loans receivable, at fair value (includes $355,287 and $387,657 from related parties as of March 31, 2024 and December 31, 2023, respectively) |  |  |  |  |  |  |  | 355,287,000 |  |  |  | 387,657,000 |  |
Related Party | Freedom VCM Holdings, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Management fees |  |  |  |  |  |  |  | 1,290,000 |  |  |  |  |  |
Related Party | Freedom VCM Holdings, LLC | Equity Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services and fees |  |  |  |  | $ 16,500,000 |  |  |  |  |  |  |  |  |
Related Party | Freedom VCM Receivables, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire finance receivables |  |  |  |  | 58,872,000 |  |  |  |  |  |  |  |  |
Gain (loss) on sale of financing receivable |  |  |  |  | $ (78,000) |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 19.74% |  |  |  |  |  |  |  |  |
Loans receivable, at fair value |  |  |  |  |  |  |  | 42,482,000 |  |  |  | 42,183,000 |  |
Related Party | Freedom VCM |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests |  |  |  |  | 35.00% |  |  |  |  |  |  |  |  |
Related Party | Freedom VCM | Mr. Kahn And His Wife and One of Mr. Kahn’s Affiliates |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests |  |  |  |  | 32.00% |  |  |  |  |  |  |  |  |
Related Party | Freedom VCM - First Priority Security Interest |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests |  |  |  |  | 25.00% |  |  |  |  |  |  |  |  |
Funds | Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Management fees |  |  |  |  |  |  |  | 115,000 | 210,000 |  |  |  |  |
Bebe's Rent | Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts payable |  |  |  |  |  |  |  | 1,763,000 |  |  |  | 2,480,000 |  |
Whitehawk | Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Management fees |  |  |  |  |  |  |  | $ 1,237,000 | 1,142,000 |  |  |  |  |
Loans receivable, at fair value |  |  |  |  |  |  |  |  |  |  | $ 4,584,000 |  |  |
Babcock & Wilcox Enterprises, Inc. | Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service agreement, termination period |  |  |  |  |  |  |  | 30 days |  |  |  |  |  |
Services fees |  |  |  |  |  |  |  | $ 750,000 |  |  |  |  |  |
Performance fee |  |  |  |  |  |  | $ 1,000,000 |  |  |  |  |  |  |
Underwriting and financial advisory fees |  |  |  |  |  |  |  | 610,000 | 0 |  |  |  |  |
Maven | Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [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, operating |  |  |  |  |  |  |  |  | $ 2,829,000 |  |  |  |  |
APLD | Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable fair value |  |  |  |  |  |  |  |  |  | $ 0 |  | $ 5,500,000 |  |
California Natural Resources Group, LLC | Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and lease obligation |  |  |  |  |  |  |  | $ 3,830,000 |  |  |  |  |  |
California Natural Resources Group, LLC | Related Party | California Natural Resources Group, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests |  |  |  |  |  |  |  | 25.00% |  |  |  |  |  |
Conn’s | Related Party | Retail Industry |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable, at fair value (includes $355,287 and $387,657 from related parties as of March 31, 2024 and December 31, 2023, respectively) |  | $ 108,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from collection of finance receivables | $ 15,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes payable | $ 93,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Income - Loan |  |  |  |  |  |  |  | $ 4,151,000 |  |  |  |  |  |
Conn’s | Related Party | Retail Industry | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, floor, percentage |  |  |  |  |  | 4.80% |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  | 8.00% |  |  |  |  |  |  |  |  |  |  |  |

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