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Fair value measurements (Tables) | 6 Months Ended
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Jun. 30, 2021
Fair Value Disclosures [Abstract] |
Investments in Company-Sponsored Funds | The following table provides information about the Company's investments in Company-sponsored funds as of June 30, 2021:
(Expressed in thousands) |  |  |  |  |  |  |
| Fair Value |  | Unfunded Commitments |  | Redemption Frequency |  | Redemption Notice Period
Hedge funds (1) | $ | 1,116 |  |  | $ | — |  |  | Quarterly - Annually |  | 30 - 120 Days
Private equity funds (2) | 3,844 |  |  | 4,749 |  |  | N/A |  | N/A
| $ | 4,960 |  |  | $ | 4,749 |  |  |  |  |
(1) Includes investments in hedge funds and hedge fund of funds that pursue long/short, event-driven, and activist strategies (2) Includes private equity funds and private equity fund of funds with diversified portfolios focusing on but not limited to technology companies, venture capital and global natural resources The following table provides information about the Company's investments in Company-sponsored funds as of December 31, 2020:
(Expressed in thousands) |  |  |  |  |  |  |
| Fair Value |  | Unfunded Commitments |  | Redemption Frequency |  | Redemption Notice Period
Hedge funds (1) | $ | 1,126 |  |  | $ | — |  |  | Quarterly - Annually |  | 30 - 120 Days
Private equity funds (2) | 3,710 |  |  | 1,238 |  |  | N/A |  | N/A
| $ | 4,836 |  |  | $ | 1,238 |  |  |  |  |
(1) Includes investments in hedge funds and hedge fund of funds that pursue long/short, event-driven, and activist strategies. (2) Includes private equity funds and private equity fund of funds with a focus on diversified portfolios, real estate and global natural resources. During 2020, the Company made an investment in a financial technologies firm. The Company elected the fair value option for this investment and it is included in other assets on the condensed consolidated balance sheet. The Company determined the fair value of the investment based on an implied market-multiple approach and observable market data, including comparable company transactions. As of June 30, 2021, the fair value of the investment was $4.7 million and was categorized in Level 2 of the fair value hierarchy.
Assets and Liabilities Measured at Fair Value on Recurring Basis | bilities, recorded at fair value on a recurring basis as of June 30, 2021 and December 31, 2020, have been categorized based upon the above fair value hierarchy as follows: Assets and liabilities measured at fair value on a recurring basis as of June 30, 2021:
(Expressed in thousands) |  |  |  |  |  |  |
| Fair Value Measurements as of June 30, 2021
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets |  |  |  |  |  |  |
Deposits with clearing organizations | $ | 29,994 |  |  | $ | — |  |  | $ | — |  |  | $ | 29,994 |
Securities owned: |  |  |  |  |  |  |
U.S. Treasury securities | 369,604 |  |  | — |  |  | — |  |  | 369,604 |
U.S. Agency securities | — |  |  | 15,060 |  |  | — |  |  | 15,060 |
Sovereign obligations | — |  |  | 8,713 |  |  | — |  |  | 8,713 |
Corporate debt and other obligations | — |  |  | 20,621 |  |  | — |  |  | 20,621 |
Mortgage and other asset-backed securities | — |  |  | 3,112 |  |  | — |  |  | 3,112 |
Municipal obligations | — |  |  | 23,270 |  |  | — |  |  | 23,270 |
Convertible bonds | — |  |  | 23,312 |  |  | — |  |  | 23,312 |
Corporate equities | 48,540 |  |  | — |  |  | — |  |  | 48,540 |
Money markets | 408 |  |  | — |  |  | — |  |  | 408 |
Auction rate securities | — |  |  | — |  |  | 31,422 |  |  | 31,422 |
Securities owned, at fair value | 418,552 |  |  | 94,088 |  |  | 31,422 |  |  | 544,062 |
Investment (1) | — |  |  | 4,709 |  |  | — |  |  | 4,709 |
Derivative contracts: |  |  |  |  |  |  |
TBAs | — |  |  | 36 |  |  | — |  |  | 36 |
Purchase commitment | 144 |  |  | — |  |  | — |  |  | 144 |
Derivative contracts, total | 144 |  |  | 36 |  |  | — |  |  | 180 |
Total | $ | 448,690 |  |  | $ | 98,833 |  |  | $ | 31,422 |  |  | $ | 578,945 |
Liabilities |  |  |  |  |  |  |
Securities sold but not yet purchased: |  |  |  |  |  |  |
U.S. Treasury securities | $ | 60,021 |  |  | $ | — |  |  | $ | — |  |  | $ | 60,021 |
U.S. Agency securities | — |  |  | 7 |  |  | — |  |  | 7 |
Sovereign obligations | — |  |  | 7,187 |  |  | — |  |  | 7,187 |
Corporate debt and other obligations | — |  |  | 7,398 |  |  | — |  |  | 7,398 |
Mortgage and other asset-backed securities | — |  |  | 1 |  |  | — |  |  | 1 |
Convertible bonds | — |  |  | 6,739 |  |  | — |  |  | 6,739 |
Corporate equities | 31,485 |  |  | — |  |  | — |  |  | 31,485 |
Securities sold but not yet purchased, at fair value | 91,506 |  |  | 21,332 |  |  | — |  |  | 112,838 |
Derivative contracts: |  |  |  |  |  |  |
Futures | 11 |  |  | — |  |  | — |  |  | 11 |
TBAs | — |  |  | 35 |  |  | — |  |  | 35 |
Purchase commitment | 635 |  |  | — |  |  | — |  |  | 635 |
ARS purchase commitments | — |  |  | — |  |  | 66 |  |  | 66 |
Derivative contracts, total | 646 |  |  | 35 |  |  | 66 |  |  | 747 |
Total | $ | 92,152 |  |  | $ | 21,367 |  |  | $ | 66 |  |  | $ | 113,585 |
(1) Included in other assets on the condensed consolidated balance sheet. Assets and liabilities measured at fair value on a recurring basis as of December 31, 2020:
(Expressed in thousands) |  |  |  |  |  |  |
| Fair Value Measurements as of December 31, 2020
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets |  |  |  |  |  |  |
Deposits with clearing organizations | $ | 23,991 |  |  | $ | — |  |  | $ | — |  |  | $ | 23,991 |
Securities owned: |  |  |  |  |  |  |
U.S. Treasury securities | 448,312 |  |  | — |  |  | — |  |  | 448,312 |
U.S. Agency securities | — |  |  | 24,616 |  |  | — |  |  | 24,616 |
Sovereign obligations | — |  |  | 367 |  |  | — |  |  | 367 |
Corporate debt and other obligations | — |  |  | 23,977 |  |  | — |  |  | 23,977 |
Mortgage and other asset-backed securities | — |  |  | 3,103 |  |  | — |  |  | 3,103 |
Municipal obligations | — |  |  | 25,190 |  |  | — |  |  | 25,190 |
Convertible bonds | — |  |  | 17,497 |  |  | — |  |  | 17,497 |
Corporate equities | 36,554 |  |  | — |  |  | — |  |  | 36,554 |
Money markets | 200 |  |  | — |  |  | — |  |  | 200 |
Auction rate securities | — |  |  | — |  |  | 30,701 |  |  | 30,701 |
Securities owned, at fair value | 485,066 |  |  | 94,750 |  |  | 30,701 |  |  | 610,517 |
Investment (1) | — |  |  | 4,181 |  |  | — |  |  | 4,181 |
Derivative contracts: |  |  |  |  |  |  |
TBAs | — |  |  | 15 |  |  | — |  |  | 15 |
Total | $ | 509,057 |  |  | $ | 98,946 |  |  | $ | 30,701 |  |  | $ | 638,704 |
Liabilities |  |  |  |  |  |  |
Securities sold but not yet purchased: |  |  |  |  |  |  |
U.S. Treasury securities | $ | 93,261 |  |  | $ | — |  |  | $ | — |  |  | $ | 93,261 |
U.S. Agency securities | — |  |  | 9 |  |  | — |  |  | 9 |
Sovereign obligations | — |  |  | 623 |  |  | — |  |  | 623 |
Corporate debt and other obligations | — |  |  | 5,283 |  |  | — |  |  | 5,283 |
Convertible bonds | — |  |  | 9,103 |  |  | — |  |  | 9,103 |
Corporate equities | 17,892 |  |  | — |  |  | — |  |  | 17,892 |
Securities sold but not yet purchased, at fair value | 111,153 |  |  | 15,018 |  |  | — |  |  | 126,171 |
Derivative contracts: |  |  |  |  |  |  |
Futures | 22 |  |  | — |  |  | — |  |  | 22 |
TBAs | — |  |  | 3 |  |  | — |  |  | 3 |
ARS purchase commitments | — |  |  | — |  |  | 195 |  |  | 195 |
Derivative contracts, total | 22 |  |  | 3 |  |  | 195 |  |  | 220 |
Total | $ | 111,175 |  |  | $ | 15,021 |  |  | $ | 195 |  |  | $ | 126,391 |
(1) Included in other assets on the condensed consolidated balance sheet. The following tables present changes in Level 3 assets and liabilities measured at fair value on a recurring basis for the three and six months ended June 30, 2021 and 2020:
(Expressed in thousands) |  |  |  |  |  |  |  |  |
|  | Level 3 Assets and Liabilities
|  | For the Three Months Ended June 30, 2021
|  |  |  | Total Realized |  |  |  |  |  |  |  |
|  | Beginning |  | and Unrealized |  | Purchases |  | Sales and |  | Transfers |  | Ending
|  | Balance |  | Gains (Losses)(3)(4) |  | and Issuances |  | Settlements |  | In (Out) |  | Balance
Assets |  |  |  |  |  |  |  |  |  |  |
Auction rate securities (1) | $ | 31,470 |  |  | $ | 2 |  |  | $ | — |  |  | $ | (50) |  |  | $ | — |  |  | $ | 31,422 |
Liabilities |  |  |  |  |  |  |  |  |  |  |
ARS Purchase Commitments (2) | 65 |  |  | (1) |  |  | — |  |  | — |  |  | — |  |  | 66 |
(1) Represents auction rate securities that failed in the auction rate market. (2) Represents the difference in principal and fair value for auction rate securities purchase commitments outstanding at the end of the period. (3) Included in principal transactions in the condensed consolidated income statement. (4) Unrealized gains (losses) are attributable to assets or liabilities that are still held at the reporting date.
(Expressed in thousands) |  |  |  |  |  |  |  |  |
|  | Level 3 Assets and Liabilities
|  | For the Three Months Ended June 30, 2020
|  |  |  | Total Realized |  |  |  |  |  |  |  |
|  | Beginning |  | and Unrealized |  | Purchases |  | Sales and |  | Transfers |  | Ending
|  | Balance |  | Gains (Losses) |  | and Issuances |  | Settlements |  | In (Out) |  | Balance
Assets |  |  |  |  |  |  |  |  |  |  |
Auction rate securities (1)(2) | $ | — |  |  | $ | — |  |  | $ | — |  |  |  |  | $ | 29,566 |  |  | $ | 29,566 |
Liabilities |  |  |  |  |  |  |  |  |  |  |
ARS Purchase Commitments (1)(3) | — |  |  | — |  |  | — |  |  | — |  |  | 332 |  |  | 332 |
(1) Transferred to Level 3 of the fair value hierarchy due to the illiquid nature of the securities as result of the length of time since the last tender offer. (2) Represents auction rate securities that failed in the auction rate market. (3) Represents the difference in principal and fair value for auction rate securities purchase commitments outstanding at the end of the period.
(Expressed in thousands) |  |  |  |  |  |  |  |  |
|  | Level 3 Assets and Liabilities
|  | For the Six Months Ended June 30, 2021
|  |  |  | Total Realized |  |  |  |  |  |  |  |
|  | Beginning |  | and Unrealized |  | Purchases |  | Sales and |  | Transfers |  | Ending
|  | Balance |  | Losses(3)(4) |  | and Issuances |  | Settlements |  | In (Out) |  | Balance
Assets |  |  |  |  |  |  |  |  |  |  |
Auction rate securities (1) | $ | 30,701 |  |  | $ | (129) |  |  | $ | 1,875 |  |  | $ | (1,025) |  |  | $ | — |  |  | $ | 31,422 |
Liabilities |  |  |  |  |  |  |  |  |  |  |
ARS Purchase Commitments (2) | 195 |  |  | (1) |  |  | — |  |  | (130) |  |  | — |  |  | 66 |
(1) Represents auction rate securities that failed in the auction rate market. (2) Represents the difference in principal and fair value for auction rate securities purchase commitments outstanding at the end of the period. (3) Included in principal transactions in the condensed consolidated income statement. (4) Unrealized losses are attributable to assets or liabilities that are still held at the reporting date.
(Expressed in thousands) |  |  |  |  |  |  |  |  |
|  | Level 3 Assets and Liabilities
|  | For the Six Months Ended June 30, 2020
|  |  |  | Total Realized |  |  |  |  |  |  |  |
|  | Beginning |  | and Unrealized |  | Purchases |  | Sales and |  | Transfers |  | Ending
|  | Balance |  | Gains (Losses) |  | and Issuances |  | Settlements |  | In (Out) |  | Balance
Assets |  |  |  |  |  |  |  |  |  |  |
Auction rate securities (1)(2) | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 29,566 |  |  | $ | 29,566 |
Liabilities |  |  |  |  |  |  |  |  |  |  |
ARS Purchase Commitments (1)(3) | — |  |  | — |  |  | — |  |  | — |  |  | 332 |  |  | 332 |
(1) Transferred to Level 3 of the fair value hierarchy due to the illiquid nature of the securities as result of the length of time since the last tender offer. (2) Represents auction rate securities that failed in the auction rate market. (3) Represents the difference in principal and fair value for auction rate securities purchase commitments outstanding at the end of the period.
Financial Instruments, Estimate Not Practicable, Fair Value | d at fair value as of June 30, 2021:
(Expressed in thousands) |  |  | Fair Value Measurement: Assets
| Carrying Value |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash | $ | 39,798 |  |  | $ | 39,798 |  |  | $ | — |  |  | $ | — |  |  | $ | 39,798 |
Deposits with clearing organization | 51,770 |  |  | 51,770 |  |  | — |  |  | — |  |  | 51,770 |
Receivable from brokers, dealers and clearing organizations: |  |  |  |  |  |  |  |  |
Securities borrowed | 119,146 |  |  | — |  |  | 119,146 |  |  | — |  |  | 119,146 |
Receivables from brokers | 35,210 |  |  | — |  |  | 35,210 |  |  | — |  |  | 35,210 |
Securities failed to deliver | 48,272 |  |  | — |  |  | 48,272 |  |  | — |  |  | 48,272 |
Clearing organizations | 31,525 |  |  | — |  |  | 31,525 |  |  | — |  |  | 31,525 |
Other | 1,290 |  |  | — |  |  | 1,290 |  |  | — |  |  | 1,290 |
| 235,443 |  |  | — |  |  | 235,443 |  |  | — |  |  | 235,443 |
Receivable from customers | 1,225,140 |  |  | — |  |  | 1,225,140 |  |  | — |  |  | 1,225,140 |
Notes receivable, net | 52,119 |  |  | — |  |  | 52,119 |  |  | — |  |  | 52,119 |
Investments (1) | 93,384 |  |  | — |  |  | 93,384 |  |  | — |  |  | 93,384 |
(1) Included in other assets on the condensed consolidated balance sheet.
(Expressed in thousands) |  |  | Fair Value Measurement: Liabilities
| Carrying Value |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Drafts payable | $ | 17,133 |  |  | $ | 17,133 |  |  | $ | — |  |  | $ | — |  |  | $ | 17,133 |
Bank call loans | 79,600 |  |  | — |  |  | 79,600 |  |  | — |  |  | 79,600 |
Payables to brokers, dealers and clearing organizations: |  |  |  |  |  |  |  |  |
Securities loaned | 267,521 |  |  | — |  |  | 267,521 |  |  | — |  |  | 267,521 |
Payable to brokers | 2,599 |  |  | — |  |  | 2,599 |  |  | — |  |  | 2,599 |
Securities failed to receive | 13,599 |  |  | — |  |  | 13,599 |  |  | — |  |  | 13,599 |
Other | 65,416 |  |  | — |  |  | 65,416 |  |  | — |  |  | 65,416 |
| 349,135 |  |  | — |  |  | 349,135 |  |  | — |  |  | 349,135 |
Payables to customers | 462,178 |  |  | — |  |  | 462,178 |  |  | — |  |  | 462,178 |
Securities sold under agreements to repurchase | 231,601 |  |  | — |  |  | 231,601 |  |  | — |  |  | 231,601 |
Senior secured notes | 125,000 |  |  | — |  |  | 130,920 |  |  | — |  |  | 130,920 |
Assets and liabilities not measured at fair value as of December 31, 2020:
(Expressed in thousands) |  |  | Fair Value Measurement: Assets
| Carrying Value |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash | $ | 35,424 |  |  | $ | 35,424 |  |  | $ | — |  |  | $ | — |  |  | $ | 35,424 |
Deposits with clearing organization | 59,352 |  |  | 59,352 |  |  | — |  |  | — |  |  | 59,352 |
Receivable from brokers, dealers and clearing organizations: |  |  |  |  |  |  |  |  |
Securities borrowed | 110,932 |  |  | — |  |  | 110,932 |  |  | — |  |  | 110,932 |
Receivables from brokers | 30,133 |  |  | — |  |  | 30,133 |  |  | — |  |  | 30,133 |
Securities failed to deliver | 17,840 |  |  | — |  |  | 17,840 |  |  | — |  |  | 17,840 |
Clearing organizations | 28,955 |  |  | — |  |  | 28,955 |  |  | — |  |  | 28,955 |
Other | 15,622 |  |  | — |  |  | 15,622 |  |  | — |  |  | 15,622 |
| 203,482 |  |  | — |  |  | 203,482 |  |  | — |  |  | 203,482 |
Receivable from customers | 1,110,835 |  |  | — |  |  | 1,110,835 |  |  | — |  |  | 1,110,835 |
Notes receivable, net | 46,161 |  |  | — |  |  | 46,161 |  |  | — |  |  | 46,161 |
Investments (1) | 85,552 |  |  | — |  |  | 85,552 |  |  | — |  |  | 85,552 |
(1) Included in other assets on the condensed consolidated balance sheet.
(Expressed in thousands) |  |  | Fair Value Measurement: Liabilities
| Carrying Value |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Bank call loans | $ | 82,000 |  |  | $ | — |  |  | $ | 82,000 |  |  | $ | — |  |  | $ | 82,000 |
Payables to brokers, dealers and clearing organizations: |  |  |  |  |  |  |  |  |
Securities loaned | 249,499 |  |  | — |  |  | 249,499 |  |  | — |  |  | 249,499 |
Payable to brokers | 4,102 |  |  | — |  |  | 4,102 |  |  | — |  |  | 4,102 |
Securities failed to receive | 6,218 |  |  | — |  |  | 6,218 |  |  | — |  |  | 6,218 |
Other | 70 |  |  | — |  |  | 70 |  |  | — |  |  | 70 |
| 259,889 |  |  | — |  |  | 259,889 |  |  | — |  |  | 259,889 |
Payables to customers | 502,807 |  |  | — |  |  | 502,807 |  |  | — |  |  | 502,807 |
Securities sold under agreements to repurchase | 342,438 |  |  | — |  |  | 342,438 |  |  | — |  |  | 342,438 |
Senior secured notes | 125,000 |  |  | — |  |  | 127,033 |  |  | — |  |  | 127,033 |
Fair Value Option The Compa
Notional Amounts and Fair Values of Derivatives by Product | es of the Company's derivatives as of June 30, 2021 and December 31, 2020 by product were as follows:
(Expressed in thousands) |  |  |  |  |
| Fair Value of Derivative Instruments as of June 30, 2021
| Description |  | Notional |  | Fair Value
Assets: |  |  |  |  |
Derivatives not designated as hedging instruments (1) |  |  |  |  |
Other contracts | TBAs |  | $ | 13,139 |  |  | $ | 36 |
| Purchase commitment |  | 7,266 |  |  | 144 |
|  |  | $ | 20,405 |  |  | $ | 180 |
Liabilities: |  |  |  |  |
Derivatives not designated as hedging instruments (1) |  |  |  |  |
Commodity contracts | Futures |  | $ | 2,490,000 |  |  | $ | 11 |
Other contracts | TBAs |  | 13,139 |  |  | 35 |
| Purchase commitment |  | 2,000 |  |  | 635 |
| ARS purchase commitments |  | 443 |  |  | 66 |
|  |  | $ | 2,505,582 |  |  | $ | 747 |
(1)See "Derivative Instruments and Hedging Activities" above for a description of derivative financial instruments. Such derivative instruments are not subject to master netting agreements, thus the related amounts are not offset.
(Expressed in thousands) |  |  |  |  |
| Fair Value of Derivative Instruments as of December 31, 2020
| Description |  | Notional |  | Fair Value
Assets: |  |  |  |  |
Derivatives not designated as hedging instruments (1) |  |  |  |  |
Other contracts | TBAs |  | $ | 7,970 |  |  | $ | 15 |
|  |  | $ | 7,970 |  |  | $ | 15 |
Liabilities: |  |  |  |  |
Derivatives not designated as hedging instruments (1) |  |  |  |  |
Commodity contracts | Futures |  | $ | 3,440,000 |  |  | $ | 22 |
Other contracts | TBAs |  | 7,936 |  |  | 3 |
| ARS purchase commitments |  | 1,313 |  |  | 195 |
|  |  | $ | 3,449,249 |  |  | $ | 220 |
(1)See "Derivative Instruments and Hedging Activities" above for a description of derivative financial instruments. Such derivative instruments are not subject to master netting agreements, thus the related amounts are not offset. The following table presents the
Fair Value Amounts of Derivative Instruments and their Effect on Statement of Operations | the location and fair value amounts of the Company's derivative instruments and their effect in the condensed consolidated income statements for the three and six months ended June 30, 2021 and 2020:

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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