v3.24.1.1.u2
Capital Requirements (Details) - USD ($)
Apr. 01, 2024
Mar. 31, 2024
Jan. 02, 2024
Dec. 31, 2023
Capital Requirements (Details) [Line Items]        
Net capital   $ 1,000,000    
Percentage of aggregate debit balance to net capital   2.00%   63.42%
Net capital in excess of minimum requirement   $ 59,300,000    
Net capital in excess amount       $ 1,800,000
Reserve account excess amount       26,200,000
Excess deposit requirements amount   1,000,000   1,000,000
MSCO [Member]        
Capital Requirements (Details) [Line Items]        
Net capital   $ 61,000,000    
Percentage of aggregate debit balance to net capital   70.81%    
Net capital in excess of minimum requirement       54,300,000
Minimum net capital required   $ 1,700,000    
Net capital in excess amount       56,100,000
Cash and securities deposits   216,900,000   273,100,000
Cash deposits in excess of minimum requirement   116,500,000 $ 3,200,000 157,600,000
Minimum cash deposits required   100,400,000   115,500,000
Reserve account excess amount   26,700,000    
Excess deposit requirements amount   190,200,000   246,900,000
RISE [Member]        
Capital Requirements (Details) [Line Items]        
Minimum net capital required   250,000   250,000
Subsequent Event [Member] | MSCO [Member]        
Capital Requirements (Details) [Line Items]        
Cash deposits in excess of minimum requirement $ 2,700,000      
Maximum [Member]        
Capital Requirements (Details) [Line Items]        
Reserve account excess amount   1,200,000   1,200,000
Maximum [Member] | RISE [Member]        
Capital Requirements (Details) [Line Items]        
Net capital in excess amount   1,300,000   1,300,000
Minimum [Member]        
Capital Requirements (Details) [Line Items]        
Reserve account excess amount   200,000   200,000
Minimum [Member] | RISE [Member]        
Capital Requirements (Details) [Line Items]        
Net capital in excess amount   $ 1,000,000   $ 1,000,000