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DISCONTINUED OPERATIONS AND ASSETS HELD FOR SALE- Narrative (Details) |  |  |  |  |  | 3 Months Ended | 12 Months Ended |  |
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Apr. 04, 2025 USD ($) financial_advisor | Mar. 03, 2025 USD ($) | Feb. 26, 2025 USD ($) | Oct. 25, 2024 USD ($) | Oct. 13, 2024 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Apr. 05, 2025 USD ($) | Nov. 15, 2024 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of interest upfront payment |  |  |  | $ 189,300,000 |  |  |  |  |  |  |
(Loss) gain on disposal of discontinued operations |  |  |  |  |  |  | $ 217,504,000 | $ 0 | $ 0 |  |
Preferred stock, liquidation preference |  |  |  |  |  |  | 114,082,000 | 114,082,000 |  |  |
Class A Preferred Units |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred stock, liquidation preference, cash coupon, percentage |  |  |  |  | 7.50% |  |  |  |  |  |
Preferred stock, liquidation preference, payment-in-kind coupon, percentage |  |  |  |  | 7.50% |  |  |  |  |  |
Common Units |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred units, issued and outstanding, purchase price |  |  |  |  | $ 203,000,000 |  |  |  |  |  |
Preferred stock, liquidation preference |  |  |  |  | $ 203,000,000 |  |  |  |  |  |
Preferred units, issued and outstanding, remaining percentage |  |  |  |  | 3.20% |  |  |  |  |  |
Common Units | BR Financial | GA Holdings | Related Party |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred units, issued and outstanding, percentage |  |  |  |  |  |  |  |  |  |  | 44.20%
Class B Preferred Units |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred units, issued and outstanding, remaining percentage |  |  |  |  | 6.80% |  |  |  |  |  |
Class B Preferred Units | BR Financial |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred stock, liquidation preference, payment-in-kind coupon, percentage |  |  |  |  |  |  |  |  |  |  | 2.30%
Preferred stock, liquidation preference |  |  |  |  |  |  |  |  |  |  | $ 183,000,000
Preferred units, issued and outstanding, percentage |  |  |  |  |  |  |  |  |  |  | 93.20%
Nomura | Line of Credit |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, transition service, duration |  |  |  |  | 1 year |  |  |  |  |  |
Nomura | Line of Credit | GA Holdings | Related Party |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowing capacity credit facility |  |  |  |  |  |  |  |  |  |  | $ 25,000,000
Long-term line of credit |  |  |  |  |  |  |  |  |  |  | 1,698,000
Notes payable outstanding |  |  |  |  |  |  |  |  |  |  | 15,332,000
Nomura | Bebe Credit Agreement | Line of Credit |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Repayments of debt |  |  |  | 22,188,000 |  |  |  |  |  |  |
Repayments of debt expense |  |  |  | 224,000 |  |  |  |  |  |  |
Asset Based Credit Facility | Wells Fargo Bank, National Association |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowing capacity credit facility |  |  |  |  |  |  |  |  |  |  | $ 200,000
Bebe Brands |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of interest, net |  |  |  | $ 46,624,000 |  |  |  |  |  |  |
Hurley, Justice, And Scotch & Soda |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity method investment, fair value adjustment |  |  |  |  |  |  | (87,810,000) |  |  |  |
Bebe Stores Inc. ("bebe") |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity method investment, fair value adjustment |  |  |  |  |  |  | (21,386,000) |  |  |  |
Maximum | Brand Assets |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests |  |  |  | 50.00% |  |  |  |  |  |  |
Minimum | Brand Assets |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rate of equity interests |  |  |  | 10.00% |  |  |  |  |  |  |
W-2 Wealth Management Business | Subsequent Event | Maximum |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Assets under management, carrying amount |  |  |  |  |  |  |  |  |  | $ 4,000,000,000.0 |
Assets sold under agreements to repurchase, interest rate |  |  |  |  |  |  |  |  |  | 19.30% |
Great American Group |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture of businesses |  |  |  |  |  |  | 167,064,000 | 0 | 0 |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | W-2 Wealth Management Business | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Disposal group, including discontinued operation, consideration | $ 26,037,000 |  |  |  |  |  |  |  |  |  |
Number of financial advisors | financial_advisor | 36 |  |  |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Atlantic Coast Recycling | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Disposal group, including discontinued operation, consideration |  | $ 102,478,000 |  |  |  |  |  |  |  |  |
Proceeds from divestiture of businesses |  | $ 68,638,000 |  |  |  |  |  |  |  |  |
Interest expense |  |  | $ 22,610,000 |  |  |  |  |  |  |  |
Gain on disposition of business |  |  |  |  |  | $ 52,705,000 |  |  |  |  |
Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  | 32,363,000 | 30,773,000 | 183,000 |  |
(Loss) gain on disposal of discontinued operations |  |  |  |  |  |  | 217,504,000 | 0 | 0 |  |
Discontinued Operations, Disposed of by Sale | Brands Transaction |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  | 2,274,000 | 680,000 | 0 |  |
(Loss) gain on disposal of discontinued operations |  |  |  |  |  |  | (40,782,000) | 0 | 0 |  |
Discontinued Operations, Disposed of by Sale | Great American Group |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  | 30,089,000 | 30,093,000 | 183,000 |  |
(Loss) gain on disposal of discontinued operations |  |  |  |  |  |  | $ 258,286,000 | $ 0 | $ 0 |  |
Disposal group, including discontinued operation, ownership percentage in disposed asset |  |  |  |  |  |  |  |  |  |  | 52.60%

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