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Receivables From And Payables To Brokers, Dealers And Clearing Organizations (Amounts Payable To Brokers, Dealers, And Clearing Organizations) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Due To And From Broker Dealers And Clearing Organizations [Abstract] |  |
Deposits received from securities loaned | $ 87,352 | $ 608,333
Securities failed to receive | 52,322 | 25,256
Payable to clearing organizations | 17,679 | 78,702
Payables to broker, dealers and clearing organizations, Total | $ 157,353 | $ 712,291

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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 -Publisher SEC -Name Rule 15c3-1 -Number 240 -Section 15c3-1 + 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://fasb.org/us-gaap/role/ref/legacyRef -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 The amount of cash received as security in return for loaning securities to another party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(11)) -URI http://asc.fasb.org/extlink&oid=120401414&loc=d3e603758-122996 + 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 No definition available. + Details
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