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Receivables from and Payables to Broker-Dealers, Clearing Organizations, Customers and Related Broker-Dealers (Detail) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
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Receivables from broker-dealers, clearing organizations, customers and related broker-dealers: |  |
Contract values of fails to deliver | $ 1,221,708 | $ 586,486
Receivables from clearing organizations | 152,276 | 133,682
Other receivables from broker-dealers and customers | 8,323 | 10,968
Net pending trades |  | 1,597
Open derivative contracts | 24,745 | 12,669
Total | 1,407,052 | 745,402
Payables to broker-dealers, clearing organizations, customers and related broker-dealers: |  |
Contract values of fails to receive | 1,150,397 | 567,460
Payables to clearing organizations | 32,065 | 14,023
Other payables to broker-dealers and customers | 15,259 | 18,164
Net pending trades | 8,941 |
Open derivative contracts | 13,153 | 7,933
Total | $ 1,219,815 | $ 607,580

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68072869&loc=d3e41256-110953 + Details
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- Definition Amount payable to broker-dealers and clearing organizations, including, but not limited to, securities failed-to-receive, certain deposits received for securities loaned, open transactions, and floor-brokerage payables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=35710130&loc=d3e41645-110958 + 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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=35710130&loc=d3e41645-110958 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + 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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 25 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35710059&loc=d3e41304-110954 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5066-111524 + 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 No definition available. + Details
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