v3.25.2
Fair Value Measurements - Schedule of Financial Assets and Liabilities not Measured at Fair Value (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Financial assets, not measured at fair value    
Cash and cash equivalents $ 28,949,000 $ 32,629,000
Cash – segregated for regulatory purposes 101,214,000 135,829,000
Securities borrowed 238,721,000 139,040,000
Receivables from customers 79,858,000 84,367,000
Receivables from non-customers 1,411,000 607,000
Receivables from broker-dealers and clearing organizations 5,600,000 3,920,000
Other receivables 4,869,000 2,744,000
Deposits with broker-dealers and clearing organizations 6,877,000 4,227,000
Total financial assets, not measured at fair value 467,499,000 403,363,000
Financial liabilities, not measured at fair value    
Securities loaned 235,674,000 184,962,000
Payables to customers 217,870,000 227,129,000
Payables to non-customers 226,000 3,297,000
Drafts payable 1,179,000 1,331,000
Payables to broker-dealers and clearing organizations 1,179,000 444,000
Deferred contract incentive 71,000 496,000
Other deferred revenue 20,000
Long-term debt 4,184,000 4,228,000
Contract termination liability 1,673,000 2,567,000
Total financial liabilities, not measured at fair value 462,076,000 424,454,000
Fair Value [Member]    
Financial assets, not measured at fair value    
Cash and cash equivalents 28,949,000 32,629,000
Cash – segregated for regulatory purposes 101,214,000 135,829,000
Securities borrowed 238,721,000 139,040,000
Receivables from customers 79,858,000 84,367,000
Receivables from non-customers 1,411,000 607,000
Receivables from broker-dealers and clearing organizations 5,600,000 3,920,000
Other receivables 4,869,000 2,744,000
Deposits with broker-dealers and clearing organizations 6,877,000 4,227,000
Total financial assets, not measured at fair value 467,499,000 403,363,000
Financial liabilities, not measured at fair value    
Securities loaned 235,674,000 184,962,000
Payables to customers 217,870,000 227,129,000
Payables to non-customers 226,000 3,297,000
Drafts payable 1,179,000 1,331,000
Payables to broker-dealers and clearing organizations 1,179,000 444,000
Deferred contract incentive 71,000 496,000
Other deferred revenue 20,000  
Long-term debt 4,184,000 4,228,000
Contract termination liability 1,673,000 2,567,000
Total financial liabilities, not measured at fair value 462,076,000 424,454,000
Level 1 [Member]    
Financial assets, not measured at fair value    
Cash and cash equivalents 28,949,000 32,629,000
Cash – segregated for regulatory purposes 101,214,000 135,829,000
Securities borrowed
Receivables from customers
Receivables from non-customers
Receivables from broker-dealers and clearing organizations
Other receivables
Deposits with broker-dealers and clearing organizations
Total financial assets, not measured at fair value 130,163,000 168,458,000
Financial liabilities, not measured at fair value    
Securities loaned
Payables to customers
Payables to non-customers
Drafts payable
Payables to broker-dealers and clearing organizations
Deferred contract incentive
Other deferred revenue  
Long-term debt
Contract termination liability
Total financial liabilities, not measured at fair value
Level 2 [Member]    
Financial assets, not measured at fair value    
Cash and cash equivalents
Cash – segregated for regulatory purposes
Securities borrowed 238,721,000 139,040,000
Receivables from customers 79,858,000 84,367,000
Receivables from non-customers 1,411,000 607,000
Receivables from broker-dealers and clearing organizations 5,600,000 3,920,000
Other receivables 4,869,000 2,744,000
Deposits with broker-dealers and clearing organizations 6,877,000 4,227,000
Total financial assets, not measured at fair value 337,336,000 234,905,000
Financial liabilities, not measured at fair value    
Securities loaned 235,674,000 184,962,000
Payables to customers 217,870,000 227,129,000
Payables to non-customers 226,000 3,297,000
Drafts payable 1,179,000 1,331,000
Payables to broker-dealers and clearing organizations 1,179,000 444,000
Deferred contract incentive 71,000 496,000
Other deferred revenue 20,000  
Long-term debt 4,184,000 4,228,000
Contract termination liability 1,673,000 2,567,000
Total financial liabilities, not measured at fair value 462,076,000 424,454,000
Level 3 [Member]    
Financial assets, not measured at fair value    
Cash and cash equivalents
Cash – segregated for regulatory purposes
Securities borrowed
Receivables from customers
Receivables from non-customers
Receivables from broker-dealers and clearing organizations
Other receivables
Deposits with broker-dealers and clearing organizations
Total financial assets, not measured at fair value
Financial liabilities, not measured at fair value    
Securities loaned
Payables to customers
Payables to non-customers
Drafts payable
Payables to broker-dealers and clearing organizations
Deferred contract incentive
Other deferred revenue  
Long-term debt
Contract termination liability
Total financial liabilities, not measured at fair value