Net Capital Requirements (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Net Capital Requirements [Line Items]
Actual Net Capital or Liquid Capital	$ 61,610	$ 55,040
Amount Required	1,695	1,143
Excess	59,915	53,897
JVB's [Member]
Net Capital Requirements [Line Items]
Actual Net Capital or Liquid Capital	58,821	53,749
Amount Required	565	250
Excess	58,256	53,499
CCFEL [Member]
Net Capital Requirements [Line Items]
Actual Net Capital or Liquid Capital	2,246
Amount Required	948
Excess	1,298
Cohen Brothers Financial, L.L.C. [Member]
Net Capital Requirements [Line Items]
Actual Net Capital or Liquid Capital	543	1,291
Amount Required	182	893
Excess	$ 361	$ 398