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 |