v3.21.2

Document And Entity Information	Nov. 12, 2021
Document Information [Line Items]
Entity, Registrant Name	JMP Group LLC
Document, Type	8-K
Document, Period End Date	Nov. 12, 2021
Entity, Incorporation, State or Country Code	DE
Entity, File Number	001-36802
Entity, Tax Identification Number	47-1632931
Entity, Address, Address Line One	600 Montgomery Street, Suite 1100
Entity, Address, City or Town	San Francisco
Entity, Address, State or Province	CA
Entity, Address, Postal Zip Code	94111
City Area Code	415
Local Phone Number	835-8900
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity, Emerging Growth Company	false
Amendment Flag	false
Entity, Central Index Key	0001302350
SharesRepresentingLimitedLiabilityCompanyInterestsInJmpGroupLlc Custom [Member]
Document Information [Line Items]
Title of 12(b) Security	Shares representing limited liability company interests in JMP Group LLC
Trading Symbol	JMP
Security Exchange Name	NYSE
JmpGroupLlc6875SeniorNotesDue2029 Custom [Member]
Document Information [Line Items]
Title of 12(b) Security	JMP Group LLC 6.875% Senior Notes due 2029
Trading Symbol	JMPNZ
Security Exchange Name	NASDAQ

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Area code of city

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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Address Line 1 such as Attn, Building Name, Street Name

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Name of the state or province.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Local phone number for entity.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

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Trading symbol of an instrument as listed on an exchange.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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JMP GROUP LLC 8-K