v3.26.1
Capital Requirements (Details) - USD ($)
Jul. 01, 2026
Jun. 30, 2026
Dec. 31, 2025
Capital Requirements [Line Items]      
Net capital   $ 1,000,000  
Net capital requirement for the percentage of aggregate debit items   2.00%  
Cash   $ 164,672,000 $ 185,608,000
Deposit requirements amount   1,000,000 1,100,000
MSCO [Member]      
Capital Requirements [Line Items]      
Net capital   47,300,000 61,700,000
Net capital in excess amount   45,400,000 60,000,000
Required net capital   $ 1,900,000 $ 1,700,000
Percentage of aggregate debit balance to net capital   49.71% 72.52%
Cash and securities deposits   $ 163,500,000 $ 184,300,000
Cash   125,600,000 149,700,000
Securities   37,900,000 34,600,000
Cash deposits in excess of minimum requirement   5,500,000 15,100,000
Deposit requirements amount   158,000,000 169,200,000
Special reserve account   1,200,000 1,300,000
Reserve account excess amount   200,000 200,000
MSCO [Member] | Subsequent Event [Member]      
Capital Requirements [Line Items]      
Cash deposits in excess of minimum requirement $ 7,300,000    
CFTC [Member]      
Capital Requirements [Line Items]      
Net capital in excess amount   47,300,000 61,700,000
Required net capital   45,000 45,000
Maximum [Member]      
Capital Requirements [Line Items]      
Net capital     1,100,000
Maximum [Member] | RISE [Member]      
Capital Requirements [Line Items]      
Net capital   1,100,000 1,200,000
Minimum [Member]      
Capital Requirements [Line Items]      
Required net capital   45,000 45,000
Minimum [Member] | RISE [Member]      
Capital Requirements [Line Items]      
Net capital   900,000  
Required net capital   250,000 250,000
Net capital in excess amount   $ 1,100,000 $ 900,000