Quarterly report pursuant to Section 13 or 15(d)

Net Capital Requirements - Additional Information (Details)

v2.4.0.8
Net Capital Requirements - Additional Information (Details) (USD $)
9 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Sep. 30, 2014
Securities America
Sep. 30, 2014
Securities America
Minimum
Sep. 30, 2014
Triad
Sep. 30, 2014
Triad
Minimum
Sep. 30, 2014
Investacorp Inc
Sep. 30, 2014
Investacorp Inc
Minimum
Sep. 30, 2014
Ladenburg
Sep. 30, 2014
Ladenburg
Minimum
Sep. 30, 2014
Premier
Regulatory requirements
Sep. 30, 2014
Premier
Minimum
Cash
Sep. 30, 2014
Premier
Minimum
Regulatory requirements
Sep. 30, 2014
Premier
Minimum
Regulatory requirements
Cash
Net Capital Requirements [Line Items]                            
Alternative minimum net capital requirement       $ 250,000   $ 250,000   $ 250,000   $ 250,000        
Regulatory net capital     8,516,000   3,558,000   4,364,000   46,928,000          
Proceeds from temporary subordinated loan                 25,000,000          
Stockholder's equity $ 314,866,000 $ 193,413,000                 $ 1,301,000 $ 250,000 $ 1,000,000 $ 250,000