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Financial Instruments Owned And Financial Instruments Sold, But Not Yet Purchased (Tables) | 9 Months Ended
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Sep. 30, 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 September 30, 2021 and December 31, 2020 are as follows (in thousands):
|  | September 30, 2021 |  |  | December 31, 2020 |
Financial instruments owned: |  |  |  |  |  |  |  |
U.S. government securities |  | $ | 16,829 |  |  | $ | 46,900 |
U.S. government agency securities |  |  | 182,636 |  |  |  | 56,450 |
Mortgage-backed securities: |  |  |  |  |  |  |  |
Agency |  |  | 303,684 |  |  |  | 216,434 |
Non-agency |  |  | 19,697 |  |  |  | 107 |
Asset-backed securities |  |  | 74,783 |  |  |  | 3,394 |
Corporate securities: |  |  |  |  |  |  |  |
Fixed income securities |  |  | 318,288 |  |  |  | 194,575 |
Equity securities |  |  | 91,874 |  |  |  | 67,593 |
Sovereign debt |  |  | 9,920 |  |  |  | 1,150 |
State and municipal securities |  |  | 162,821 |  |  |  | 96,150 |
Loans |  |  | 18,854 |  |  |  | 11,275 |
|  | $ | 1,199,386 |  |  | $ | 694,028 |
Financial instruments sold, but not yet purchased: |  |  |  |  |  |  |  |
U.S. government securities |  | $ | 366,014 |  |  | $ | 91,974 |
U.S. government agency securities |  |  | 44,638 |  |  |  | — |
Agency mortgage-backed securities |  |  | 109,887 |  |  |  | 141,227 |
Corporate securities: |  |  |  |  |  |  |  |
Fixed income securities |  |  | 161,529 |  |  |  | 162,626 |
Equity securities |  |  | 30,813 |  |  |  | 30,848 |
Other (1) |  |  | 8,147 |  |  |  | 11,303 |
|  | $ | 721,028 |  |  | $ | 437,978 |
(1) | Includes 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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