XML 106 R77.htm IDEA: XBRL DOCUMENT
v3.25.3

SECURITIES LENDING - Schedule of contract value of securities leading transaction by type of collateral (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Securities Financing Transaction [Line Items] |  |
Securities borrowed | $ 72,320 | $ 43,022
Corporate securities - fixed income |  |
Securities Financing Transaction [Line Items] |  |
Securities borrowed | 282 | 310
Equity securities |  |
Securities Financing Transaction [Line Items] |  |
Securities borrowed | 72,038 | 42,712
Overnight and continuous |  |
Securities Financing Transaction [Line Items] |  |
Securities borrowed | 72,320 | 43,022
Overnight and continuous | Corporate securities - fixed income |  |
Securities Financing Transaction [Line Items] |  |
Securities borrowed | 282 | 310
Overnight and continuous | Equity securities |  |
Securities Financing Transaction [Line Items] |  |
Securities borrowed | $ 72,038 | $ 42,712

X
- Definition Amount, after the effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-15 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A + Details
Name: | us-gaap_SecuritiesBorrowed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SecuritiesFinancingTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeAxis=rily_CorporateSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis=rily_OvernightAndContinuousMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |