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RELATED PARTY TRANSACTIONS - Narrative Part 2 (Details) $ / shares in Units, $ in Thousands |  |  |  | 4 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 21, 2023 USD ($) | Oct. 18, 2022 USD ($) | Jul. 19, 2022 member $ / shares shares | Dec. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) member | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) $ / shares | Jan. 22, 2024 USD ($) | May 10, 2023 USD ($) | Feb. 24, 2023 | May 31, 2022 | May 30, 2022 | Apr. 25, 2022 USD ($) | Mar. 09, 2022 USD ($) | Jan. 15, 2021 $ / shares
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable at fair value |  |  |  | $ 532,419 | $ 532,419 |  | $ 701,652 |  |  |  |  |  |  |  |  |
Sold price per unit (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 10.00 |  |  |  |  |  |  |  | $ 2,090,909
Total revenues |  |  |  |  | 1,643,600 |  | 1,080,670 | $ 1,554,698 |  |  |  |  |  |  |  |
Services and fees |  |  |  |  | 1,002,370 |  | 895,623 | 1,153,225 |  |  |  |  |  |  |  |
Payments to acquire equity method investments |  |  |  |  | 4,871 |  | 10,974 | 612 |  |  |  |  |  |  |  |
Fair value |  |  |  | 283,057 | 283,057 |  | 214,493 |  |  |  |  |  |  |  |  |
FRG |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  | $ 4,276,097 |  |  |  |  |  |  |  |  |  |
Fair value |  |  |  | 287,043 | 287,043 |  |  |  |  |  |  |  |  |  |  |
Targus |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total consideration |  | $ 247,546 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Freedom VCM Holdings, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable at fair value |  |  |  | 20,624 | 20,624 |  | 175,795 |  |  |  |  |  |  |  |  |
Payments to acquire equity method investments | $ 216,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 200,506 | $ 200,506 |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  | 12.00% | 12.00% |  |  |  |  |  |  |  |  |  |  |
Dividends paid, equal to the greater of net after-tax proceeds, percentage |  |  |  | 80.00% | 80.00% |  |  |  |  |  |  |  |  |  |  |
Dividends paid, equal to the greater of gross proceeds, percentage |  |  |  | 50.00% | 50.00% |  |  |  |  |  |  |  |  |  |  |
Take-private transaction, price | $ 227,296 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Freedom VCM Holdings, LLC | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value |  |  |  |  |  |  |  |  | $ 232,065 |  |  |  |  |  |  |
Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest income |  |  |  |  | $ 3,427 |  |  |  |  |  |  |  |  |  |  |
Related Party | FRG Investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests | 31.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Freedom VCM |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests | 35.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Management fees |  |  |  | $ 222 |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Freedom VCM | Mr. Kahn and his wife and one of Mr. Kahn’s affiliates |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests | 32.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Freedom VCM - First Priority Security Interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests | 25.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | FRG |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire equity method investments | $ 281,144 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Targus |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total consideration |  | $ 247,546 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Freedom VCM Holdings, LLC | Equity Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other commitment |  |  |  |  |  |  |  |  |  | $ 560,000 |  |  |  |  |  |
Services and fees | 16,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Freedom VCM Receivables, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable at fair value |  |  |  | $ 42,183 | $ 42,183 |  |  |  |  |  |  |  |  |  |  |
Payments to acquire finance receivables | 58,872 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of financing receivable | $ (78) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate | 19.74% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FaZeClan Holdings, Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of senior management members resigned | member |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |
FaZeClan Holdings, Inc | Common Class A | FaZeClan Holdings, Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sold price per unit (in dollars per share) | $ / shares |  |  | $ 10.00 |  |  |  |  |  |  |  |  |  |  |  |  |
FaZeClan Holdings, Inc | B. Riley Financial | Common Class A | FaZeClan Holdings, Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consummated units (in shares) | shares |  |  | 5,342,500 |  |  |  |  |  |  |  |  |  |  |  |  |
FaZeClan Holdings, Inc | Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable at fair value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000 | $ 10,000 |
Interest income |  |  |  |  |  |  | 420 |  |  |  |  |  |  |  |  |
Number of senior management members appointed | member |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  | 41,885 |  |  |  |  |  |  |  |  |
Underwriting and financial advisory fees |  |  |  |  |  |  | 9,632 |  |  |  |  |  |  |  |  |
Lingo | Lingo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest in acquiree, including subsequent acquisition, percentage |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |
Lingo | Related Party | Lingo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable at fair value |  |  |  |  |  |  | 1,478 | $ 2,878 |  |  |  |  |  |  |  |
Financing receivable converted to equity |  |  |  |  |  |  | $ 17,500 |  |  |  |  |  |  |  |  |
Equity interest in acquiree, percentage |  |  |  |  |  |  |  |  |  |  |  | 80.00% | 40.00% |  |  |
Business acquisition, percentage of voting interests acquired |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |  |  |

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