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Receivables from and Payables to Broker-Dealers, Clearing Organizations, Customers and Related Broker-Dealers (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Receivables from broker-dealers, clearing organizations, customers and related broker-dealers |  |
Contract values of fails to deliver | $ 1,715,100 | $ 213,409
Receivables from clearing organizations | 153,439 | 118,473
Other receivables from broker-dealers and customers | 29,166 | 26,859
Net pending trades | 834 | 1,365
Open derivative contracts | 1,152 | 5,384
Total | 1,899,691 | 365,490
Payables to broker-dealers, clearing organizations, customers and related broker-dealers |  |
Contract values of fails to receive | 1,506,436 | 201,301
Payables to clearing organizations | 191,161 | 5,643
Other payables to broker-dealers and customers | 16,126 | 14,003
Open derivative contracts | 1,750 | 4,430
Total | $ 1,715,473 | $ 225,377

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- Definition Receivable from net pending trades. + References No definition available. + Details
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- Definition Amounts due from broker-dealers, clearing organizations, customers or related broker-dealers related to open derivative contracts. + References No definition available. + Details
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- Definition Amount payable to other broker-dealer and clearing organization, including, but not limited to, security failed-to-receive, deposit received for security loaned, open transaction, and floor-brokerage payable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Rule 15c3-1 -Number 240 -Section 15c3-1 -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481833/940-20-45-3 + Details
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- Definition Amount payable to broker-dealers or clearing organizations for executing or clearing trades or orders. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481913/940-20-25-2 + Details
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- Definition Amount of other payables due to broker-dealers or clearing organizations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481833/940-20-45-3 + Details
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- Definition Amount of other receivables due from broker-dealers or clearing organizations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481833/940-20-45-3 + Details
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- Definition Amount receivable from broker-dealers and clearing organizations, including, but not limited to, securities failed-to-deliver, certain deposits for securities borrowed, open transactions, good faith and margin deposits, commissions and floor brokerage receivables. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481833/940-20-45-3 + Details
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- Definition Amount of right to receive cash and securities on deposit with clearing organizations. Clearing organizations perform post trade processing and trade comparisons among numerous broker-dealers and act as settlement agents between buying and selling broker-dealers. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 310 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/940-310/tableOfContent + Details
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- Definition Amount receivable as the result of a fail-to-deliver. A fail-to-deliver is a securities sale to another broker-dealer that has not been delivered to buying broker-dealer by the close of business on the settlement date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481833/940-20-45-3 + Details
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- Definition Amount payable as the result of fail-to-receive. A fail-to-receive is a securities purchase from another broker-dealer not received from the selling broker-dealer by the close of business on the settlement date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481833/940-20-45-3 + Details
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