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Collateralized Transactions (Tables) | 3 Months Ended
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Mar. 31, 2018
Collateralized Agreements [Abstract] |
Summary of the fair value of collateralized transactions | he fair value of the collateralized transactions at March 31, 2018 and December 31, 2017 are summarized as follows:
(in thousands) |  | 2018 |  | 2017
Securities received as collateral: |  |  |  |
Securities borrowed |  | $ | 1,201,721 |  |  | $ | 1,415,793 |
|  | $ | 1,201,721 |  |  | $ | 1,415,793 |
Schedule of financial instruments owned and pledged, where counterparty has right to repledge | Financial instruments owned and pledged, where the counterparty has the right to repledge, at March 31, 2018 and December 31, 2017 consisted of the following:
(in thousands) |  | 2018 |  | 2017
Equities |  | $ | 571,997 |  |  | $ | 586,251 |
U.S. and Non-U.S. government obligations |  | 200 |  |  | 99 |
Exchange traded notes |  | 38,339 |  |  | 8,693 |
|  | $ | 610,536 |  |  | $ | 595,043 |

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- Definition Tabular disclosure of customer securities accepted by the entity as collateral and re-pledged to counterparties as collateral or sold, including sources and uses of collateral, fair value of collateral and portion of that collateral that has been sold or re-pledged. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=64858031&loc=SL6224234-111729 + Details
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- Definition Tabular disclosure of financial instruments held by the entity for its own account for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions. Description may include equity, fixed income, debt or other securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64858031&loc=SL6224234-111729 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 + Details
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