XML 53 R45.htm IDEA: XBRL DOCUMENT
v3.23.2

Rise (Details) - USD ($) | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 30, 2022 | Jun. 30, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Dec. 31, 2021
Rise (Details) [Line Items] |  |  |  |  |
Membership interest | 8.30% |  |  |  |
RISE reported assets |  | $ 1,400,000 | $ 1,300,000 |  |
RISE reported liability |  | $ 50,000.00 | $ 100,000 |  |
Tigress And Hedge Connection [Member] |  |  |  |  |
Rise (Details) [Line Items] |  |  |  |  |
Issuance of RISE membership interests |  | 68.00% |  |  |
RISE [Member] |  |  |  |  |
Rise (Details) [Line Items] |  |  |  |  |
Transfers of RISE membership interests | 2.00% |  |  |  |
RISE [Member] | Membership interests [Member] |  |  |  |  |
Rise (Details) [Line Items] |  |  |  |  |
Exchange for a net increase in assets | $ 1,000,000 |  |  |  |
Gloria E. Gebbia [Member] |  |  |  |  |
Rise (Details) [Line Items] |  |  |  |  |
Transfers of RISE membership interests |  |  |  | 24.00% |
Note payable |  |  |  | $ 2,880,000 |
Siebert [Member] | Maximum [Member] |  |  |  |  |
Rise (Details) [Line Items] |  |  |  |  |
Ownership interest, percentage |  |  |  |  | 76.00%
Siebert [Member] | Minimum [Member] |  |  |  |  |
Rise (Details) [Line Items] |  |  |  |  |
Ownership interest, percentage |  |  |  | 44.00% |

X
- Definition Exchange for a net increase in assets. + References No definition available. + Details
Name: | sieb_ExchangeForANetIncreaseInAssets
Namespace Prefix: | sieb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The percentage of memberships. + References No definition available. + Details
Name: | sieb_MembershipInterests
Namespace Prefix: | sieb_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of remaining interest in StockCross purchased. + References No definition available. + Details
Name: | sieb_PercentageOfRemainingInterestInStockCrossPurchased
Namespace Prefix: | sieb_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | sieb_RiseDetailsLineItems
Namespace Prefix: | sieb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DepositAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_NotesPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_OtherLiabilitiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | srt_OwnershipAxis=sieb_TigressAndHedgeConnectionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sieb_RiseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=sieb_MembershipInterestsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sieb_GloriaEGebbiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sieb_SiebertMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |