XML 67 R54.htm IDEA: XBRL DOCUMENT
v3.7.0.1

COMMITMENTS, CONTINGENCIES AND OTHER (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Rent expense | $ 650,000 | $ 776,000 | $ 788,000
Siebert, Brandford, Shank Financial LLC and Subsidiary |  |  |
Rent expense |  | $ 1,055,944 | $ 1,186,967

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=SIEB_SbsFinancialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |