XML 69 R56.htm IDEA: XBRL DOCUMENT
v3.7.0.1

OTHER (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
General and administrative services | $ 1,686,000 | $ 1,724,000 | $ 2,033,000
Siebert, Brandford, Shank Financial LLC and Subsidiary |  |  |
General and administrative services |  | $ 100,000 | $ 100,000

X
- Definition Amount of general and administrative expense classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherGeneralAndAdministrativeExpense
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: |