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Net Capital Requirements (Narrative) (Details) $ in Thousands	Sep. 30, 2018 USD ($)
JVB's [Member]
Net Capital Requirements [Line Items]
Actual Net Capital or Liquid Capital	$ 51,962
Excess	51,712
Cohen and Company Financial Limited [Member]
Net Capital Requirements [Line Items]
Actual Net Capital or Liquid Capital	1,587
Amount Required	1,080
Excess	$ 507

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- Definition

Net capital requirements.

+ References

No definition available.

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- Definition

The amount of net capital in excess of the minimum required net capital.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher SEC
-Name Rule 15c3-1
-Number 240
-Section 15c3-1

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- Definition

Amount of minimum net capital required to be maintained to engage in securities transactions.

+ References

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-Name Rule 15c3-1
-Number 240
-Section 15c3-1

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- Definition

Net capital is equal to the net worth of the broker dealer, less certain items such as exchange memberships, carrying value of securities not readily marketable, haircuts on marketable securities in proprietary accounts, furniture and equipment and other illiquid assets as defined.

+ References

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-Number 240
-Section 15c3-1

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