Quarterly report pursuant to sections 13 or 15(d)

Net Capital Requirements - Additional Information (Detail)

v2.3.0.11
Net Capital Requirements - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Net Capital Requirements [Line Items]    
Stockholder's Equity $ 57,783 $ 63,443
Ladenburg
   
Net Capital Requirements [Line Items]    
Regulatory net capital 6,902  
Alternative minimum net capital requirement 250  
Alternative excess amount over net capital requirement 6,652  
Securities America
   
Net Capital Requirements [Line Items]    
Regulatory net capital 6,584  
Alternative minimum net capital requirement 250  
Alternative excess amount over net capital requirement 6,334  
Investacorp Inc
   
Net Capital Requirements [Line Items]    
Regulatory net capital 3,156  
Indebtedness to Net Capital 1.8  
Excess amount over net capital 2,778  
Minimum net capital requirement 378  
Triad
   
Net Capital Requirements [Line Items]    
Regulatory net capital 2,856  
Indebtedness to Net Capital 2.9  
Excess amount over net capital 2,309  
Minimum net capital requirement 547  
Premier
   
Net Capital Requirements [Line Items]    
Stockholder's Equity 1,739  
Premier | Minimum | Regulatory Requirements
   
Net Capital Requirements [Line Items]    
Stockholder's Equity 1,000  
Premier | Minimum | Regulatory Requirements | Cash
   
Net Capital Requirements [Line Items]    
Stockholder's Equity $ 250  
Maximum
   
Net Capital Requirements [Line Items]    
Indebtedness to Net Capital 15