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Financial Instruments Owned And Financial Instruments Sold, But Not Yet Purchased (Tables) | 3 Months Ended
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Mar. 31, 2021
Investments Debt And Equity Securities [Abstract] |
Components Of Trading Securities Owned And Trading Securities Sold, But Not Yet Purchased | The components of financial instruments owned and financial instruments sold, but not yet purchased, at March 31, 2021 and December 31, 2020 are as follows (in thousands):
|  | March 31, 2021 |  |  | December 31, 2020 |
Financial instruments owned: |  |  |  |  |  |  |  |
U.S. government securities |  | $ | 61,918 |  |  | $ | 46,900 |
U.S. government agency securities |  |  | 166,501 |  |  |  | 56,450 |
Agency mortgage-backed securities |  |  | 254,203 |  |  |  | 216,434 |
Corporate securities: |  |  |  |  |  |  |  |
Fixed income securities |  |  | 223,545 |  |  |  | 194,575 |
Equity securities |  |  | 82,402 |  |  |  | 67,593 |
State and municipal securities |  |  | 162,083 |  |  |  | 96,150 |
Other (1) |  |  | 30,630 |  |  |  | 15,926 |
|  | $ | 981,282 |  |  | $ | 694,028 |
Financial instruments sold, but not yet purchased: |  |  |  |  |  |  |  |
U.S. government securities |  | $ | 287,820 |  |  | $ | 91,974 |
Agency mortgage-backed securities |  |  | 121,648 |  |  |  | 141,227 |
Corporate securities: |  |  |  |  |  |  |  |
Fixed income securities |  |  | 185,728 |  |  |  | 162,626 |
Equity securities |  |  | 34,443 |  |  |  | 30,848 |
Other (2) |  |  | 15,123 |  |  |  | 11,303 |
|  | $ | 644,762 |  |  | $ | 437,978 |
(1) | Includes loans, asset-backed securities, sovereign debt, and non-agency mortgage-backed securities.
(2) | Includes U.S. government agency securities, sovereign debt, and state and municipal securities.

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- Definition Tabular disclosure of financial instruments held by a broker-dealer for its own account (proprietary securities) for trading or investment purposes that are carried at fair value including securities sold, not yet purchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969 + Details
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