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Fair value measurements - Assets and Liabilities Not Measured at Fair Value on Recurring Basis (Details) - Fair Value, Nonrecurring - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financial Instruments, Estimate Not Practicable, Fair Value [Line Items] |  |
Cash | $ 36,578 | $ 213,759
Restricted cash | 128,280 | 127,765
Deposits with clearing organization | 54,256 | 37,885
Securities borrowed | 72,267 | 99,752
Receivables from brokers | 69,653 | 39,716
Securities failed to deliver | 9,801 | 9,212
Clearing organizations | 22,287 | 19,518
Other | 3,198 | 1,693
Total Receivable from brokers, dealers and clearing organizations | 177,206 | 169,891
Receivable from customers | 1,178,713 | 1,221,450
Securities purchased under agreements to resell |  | 935
Notes receivable, net | 57,205 | 53,983
Investments | 75,437 | 99,169
Drafts payable | 9,644 |
Bank call loans | 53,600 | 69,500
Securities loaned | 307,383 | 244,223
Payable to brokers | 199 | 2,077
Securities failed to receive | 22,359 | 6,457
Other | 163,356 | 169,013
Total payables to brokers, dealers and clearing organizations | 493,297 | 421,770
Payables to customers | 381,112 | 456,958
Securities sold under agreements to repurchase | 284,032 | 277,322
Senior secured notes | 124,423 | 131,094
Level 1 |  |
Financial Instruments, Estimate Not Practicable, Fair Value [Line Items] |  |
Cash | 36,578 | 213,759
Restricted cash | 128,280 | 127,765
Deposits with clearing organization | 54,256 | 37,885
Drafts payable | 9,644 |
Level 2 |  |
Financial Instruments, Estimate Not Practicable, Fair Value [Line Items] |  |
Securities borrowed | 72,267 | 99,752
Receivables from brokers | 69,653 | 39,716
Securities failed to deliver | 9,801 | 9,212
Clearing organizations | 22,287 | 19,518
Other | 3,198 | 1,693
Total Receivable from brokers, dealers and clearing organizations | 177,206 | 169,891
Receivable from customers | 1,178,713 | 1,221,450
Securities purchased under agreements to resell |  | 935
Notes receivable, net | 57,205 | 53,983
Investments | 75,437 | 99,169
Bank call loans | 53,600 | 69,500
Securities loaned | 307,383 | 244,223
Payable to brokers | 199 | 2,077
Securities failed to receive | 22,359 | 6,457
Other | 163,356 | 169,013
Total payables to brokers, dealers and clearing organizations | 493,297 | 421,770
Payables to customers | 381,112 | 456,958
Securities sold under agreements to repurchase | 284,032 | 277,322
Senior secured notes | 124,423 | 131,094
Carrying Value |  |
Financial Instruments, Estimate Not Practicable, Fair Value [Line Items] |  |
Cash | 36,578 | 213,759
Restricted cash | 128,280 | 127,765
Deposits with clearing organization | 54,256 | 37,885
Securities borrowed | 72,267 | 99,752
Receivables from brokers | 69,653 | 39,716
Securities failed to deliver | 9,801 | 9,212
Clearing organizations | 22,287 | 19,518
Other | 3,198 | 1,693
Total Receivable from brokers, dealers and clearing organizations | 177,206 | 169,891
Receivable from customers | 1,178,713 | 1,221,450
Securities purchased under agreements to resell |  | 935
Notes receivable, net | 57,205 | 53,983
Investments | 75,437 | 99,169
Drafts payable | 9,644 |
Bank call loans | 53,600 | 69,500
Securities loaned | 307,383 | 244,223
Payable to brokers | 199 | 2,077
Securities failed to receive | 22,359 | 6,457
Other | 163,356 | 169,013
Total payables to brokers, dealers and clearing organizations | 493,297 | 421,770
Payables to customers | 381,112 | 456,958
Securities sold under agreements to repurchase | 284,032 | 277,322
Senior secured notes | $ 125,000 | $ 125,000

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- Definition Fair Value, Estimate not Practicable, Due from Employees + References No definition available. + Details
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- Definition Fair Value, Estimate not Practicable, Senior Secured Notes + References No definition available. + Details
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