Annual report pursuant to Section 13 and 15(d)

Net Capital Requirements (Details)

v3.19.1
Net Capital Requirements (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Jan. 01, 2018
Dec. 31, 2017
Net Capital Requirements [Line Items]      
Total shareholders' equity of the Company $ 253,126 $ 395,153 $ 370,379
Securities America      
Net Capital Requirements [Line Items]      
Alternative minimum net capital requirement (at least) 250    
Regulatory net capital 9,164    
Triad      
Net Capital Requirements [Line Items]      
Alternative minimum net capital requirement (at least) 250    
Regulatory net capital 8,739    
Investacorp Inc      
Net Capital Requirements [Line Items]      
Alternative minimum net capital requirement (at least) 250    
Regulatory net capital 9,486    
KMS      
Net Capital Requirements [Line Items]      
Alternative minimum net capital requirement (at least) 250    
Regulatory net capital 7,379    
SSN      
Net Capital Requirements [Line Items]      
Regulatory net capital 8,934    
Ladenburg      
Net Capital Requirements [Line Items]      
Alternative minimum net capital requirement (at least) 256    
Regulatory net capital 25,073    
Premier      
Net Capital Requirements [Line Items]      
Minimum shareholders' equity requirement 1,000    
Total shareholders' equity of the Company 3,422    
Premier | Cash      
Net Capital Requirements [Line Items]      
Minimum shareholders' equity requirement 250    
Total shareholders' equity of the Company $ 250