Fair Value Disclosures (Quantitative Information About Significant Unobservable Inputs Used in Level 3 Fair Value Measurements) (Details) $ in Thousands | 6 Months Ended | 12 Months Ended | | |
May 31, 2020USD ($) | Nov. 30, 2019USD ($) | May 31, 2020$ / shares | May 31, 2020$ / Bond | May 31, 2020 | May 31, 2020€ / Bond | Nov. 30, 2019$ / shares | Nov. 30, 2019$ / Bond | Nov. 30, 2019 | Nov. 30, 2019€ / Bond | Nov. 30, 2019gbpPerShare |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | $ 17,629,541 | $ 16,308,807 | | | | | | | | | |
Derivative assets | 640,593 | 418,408 | | | | | | | | | |
Financial instruments sold, not yet purchased, at fair value | 9,646,023 | 10,532,460 | | | | | | | | | |
Derivative liability | 417,900 | 527,205 | | | | | | | | | |
Long-term debt, fair value | 1,245,486 | 1,215,285 | | | | | | | | | |
Corporate debt securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 3,004,979 | 2,479,735 | | | | | | | | | |
Financial instruments sold, not yet purchased, at fair value | 1,491,252 | 1,471,482 | | | | | | | | | |
CDOs and CLOs | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 100,299 | 153,013 | | | | | | | | | |
Residential mortgage-backed securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 1,710,718 | 1,086,806 | | | | | | | | | |
Commercial mortgage-backed securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 359,622 | 430,170 | | | | | | | | | |
Financial instruments sold, not yet purchased, at fair value | 140 | 35 | | | | | | | | | |
Other asset-backed securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 378,220 | 346,410 | | | | | | | | | |
Loans and other receivables | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 2,692,523 | 2,574,631 | | | | | | | | | |
Corporate equity securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 2,724,291 | 2,783,993 | | | | | | | | | |
Financial instruments sold, not yet purchased, at fair value | 1,778,244 | 2,767,526 | | | | | | | | | |
Loans | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments sold, not yet purchased, at fair value | 1,807,265 | 1,609,691 | | | | | | | | | |
Level 3 | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 617,987 | 554,618 | | | | | | | | | |
Derivative assets | 41,769 | 13,826 | | | | | | | | | |
Financial instruments sold, not yet purchased, at fair value | 103,422 | 106,382 | | | | | | | | | |
Derivative liability | 83,576 | 92,057 | | | | | | | | | |
Long-term debt, fair value | 497,040 | 480,069 | | | | | | | | | |
Level 3 | Price | Market approach | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Long-term debt, measurement input | | | | 78 | | 63 | | 84 | | 74 | |
Level 3 | Price | Market approach | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Long-term debt, measurement input | | | | 94 | | 109 | | 108 | | 103 | |
Level 3 | Price | Market approach | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Long-term debt, measurement input | | | | 84 | | 85 | | 96 | | 91 | |
Level 3 | Non-exchange-traded securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 75,712 | 29,017 | | | | | | | | | |
Level 3 | Non-exchange-traded securities | Price | Market approach | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | 1 | | | | 1 | | | | |
Level 3 | Non-exchange-traded securities | Price | Market approach | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | 213 | | | | 140 | | | | |
Level 3 | Non-exchange-traded securities | Price | Market approach | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | 94 | | | | 55 | | | | |
Level 3 | Non-exchange-traded securities | Underlying stock price | Market approach | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | 3 | | | | | | | | |
Level 3 | Non-exchange-traded securities | Underlying stock price | Market approach | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | | | | | 3 | | | | |
Level 3 | Non-exchange-traded securities | Underlying stock price | Market approach | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | | | | | 5 | | | | |
Level 3 | Non-exchange-traded securities | Underlying stock price | Market approach | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | | | | | 4 | | | | |
Level 3 | Non-exchange-traded securities | EBITDA multiple | Market approach | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | 3 | | | | | | | | |
Level 3 | Non-exchange-traded securities | EBITDA multiple | Market approach | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | 8 | | | | | | | | |
Level 3 | Non-exchange-traded securities | EBITDA multiple | Market approach | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | 4 | | | | | | | | |
Level 3 | Corporate debt securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 25,178 | 7,490 | | | | | | | | | |
Financial instruments sold, not yet purchased, at fair value | 163 | 340 | | | | | | | | | |
Level 3 | Corporate debt securities | Price | Market approach | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / Bond | | | | 69 | | | | | | | |
Level 3 | Corporate debt securities | Underlying stock price | Scenario analysis | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | gbpPerShare | | | | | | | | | | | 0.4 |
Level 3 | Corporate debt securities | Estimated recovery percentage | Scenario analysis | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.22 | | | | | | |
Financial instruments sold, not yet purchased, measurement input | | | | | 0.22 | | | | | | |
Level 3 | Corporate debt securities | Estimated recovery percentage | Scenario analysis | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.23 | | |
Level 3 | Corporate debt securities | Estimated recovery percentage | Scenario analysis | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.85 | | |
Level 3 | Corporate debt securities | Estimated recovery percentage | Scenario analysis | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.46 | | |
Level 3 | Corporate debt securities | Volatility | Scenario analysis | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.44 | | |
Level 3 | Corporate debt securities | Credit spread | Scenario analysis | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 750 | | |
Level 3 | CDOs and CLOs | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 31,551 | 28,788 | | | | | | | | | |
Level 3 | CDOs and CLOs | Estimated recovery percentage | Scenario analysis | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.03 | | | | 0.0325 | | |
Level 3 | CDOs and CLOs | Estimated recovery percentage | Scenario analysis | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.35 | | | | 0.365 | | |
Level 3 | CDOs and CLOs | Estimated recovery percentage | Scenario analysis | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.24 | | | | 0.25 | | |
Level 3 | CDOs and CLOs | Constant prepayment rate | Discounted cash flows | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.20 | | |
Level 3 | CDOs and CLOs | Constant prepayment rate | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.10 | | | | | | |
Level 3 | CDOs and CLOs | Constant prepayment rate | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.20 | | | | | | |
Level 3 | CDOs and CLOs | Constant prepayment rate | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.16 | | | | | | |
Level 3 | CDOs and CLOs | Constant default rate | Discounted cash flows | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.02 | | | | | | |
Level 3 | CDOs and CLOs | Constant default rate | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.01 | | |
Level 3 | CDOs and CLOs | Constant default rate | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.02 | | |
Level 3 | CDOs and CLOs | Constant default rate | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.02 | | |
Level 3 | CDOs and CLOs | Loss severity | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.25 | | | | 0.25 | | |
Level 3 | CDOs and CLOs | Loss severity | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.30 | | | | 0.37 | | |
Level 3 | CDOs and CLOs | Loss severity | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.28 | | | | 0.29 | | |
Level 3 | CDOs and CLOs | Discount rate/yield | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.14 | | | | 0.12 | | |
Level 3 | CDOs and CLOs | Discount rate/yield | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.32 | | | | 0.21 | | |
Level 3 | CDOs and CLOs | Discount rate/yield | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.22 | | | | 0.15 | | |
Level 3 | Residential mortgage-backed securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | $ 22,339 | $ 17,740 | | | | | | | | | |
Level 3 | Residential mortgage-backed securities | Discount rate/yield | Discounted cash flows | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.03 | | |
Level 3 | Residential mortgage-backed securities | Discount rate/yield | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.04 | | | | | | |
Level 3 | Residential mortgage-backed securities | Discount rate/yield | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.15 | | | | | | |
Level 3 | Residential mortgage-backed securities | Discount rate/yield | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.05 | | | | | | |
Level 3 | Residential mortgage-backed securities | Cumulative loss rate | Discounted cash flows | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.02 | | |
Level 3 | Residential mortgage-backed securities | Cumulative loss rate | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.03 | | | | | | |
Level 3 | Residential mortgage-backed securities | Cumulative loss rate | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.33 | | | | | | |
Level 3 | Residential mortgage-backed securities | Cumulative loss rate | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.11 | | | | | | |
Level 3 | Residential mortgage-backed securities | Duration (years) | Discounted cash flows | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | | 6 years 3 months 18 days | | | | | | | | | |
Level 3 | Residential mortgage-backed securities | Duration (years) | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | 2 years | | | | | | | | | | |
Level 3 | Residential mortgage-backed securities | Duration (years) | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | 6 years 1 month 6 days | | | | | | | | | | |
Level 3 | Residential mortgage-backed securities | Duration (years) | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | 5 years 7 months 6 days | | | | | | | | | | |
Level 3 | Commercial mortgage-backed securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | $ 4,461 | $ 6,110 | | | | | | | | | |
Financial instruments sold, not yet purchased, at fair value | 140 | $ 35 | | | | | | | | | |
Level 3 | Commercial mortgage-backed securities | Estimated recovery percentage | Scenario analysis | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.44 | | | | 0.44 | | |
Level 3 | Commercial mortgage-backed securities | Discount rate/yield | Discounted cash flows | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.85 | | |
Level 3 | Commercial mortgage-backed securities | Cumulative loss rate | Discounted cash flows | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | | | | | 0.073 | | |
Level 3 | Commercial mortgage-backed securities | Duration (years) | Discounted cash flows | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | | 2 months 12 days | | | | | | | | | |
Level 3 | Other asset-backed securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | $ 86,062 | $ 42,563 | | | | | | | | | |
Level 3 | Other asset-backed securities | Price | Market approach | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / Bond | | | | 100 | | | | | | | |
Level 3 | Other asset-backed securities | Discount rate/yield | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.05 | | | | 0.07 | | |
Level 3 | Other asset-backed securities | Discount rate/yield | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.15 | | | | 0.15 | | |
Level 3 | Other asset-backed securities | Discount rate/yield | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.09 | | | | 0.11 | | |
Level 3 | Other asset-backed securities | Cumulative loss rate | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.07 | | | | 0.07 | | |
Level 3 | Other asset-backed securities | Cumulative loss rate | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.31 | | | | 0.31 | | |
Level 3 | Other asset-backed securities | Cumulative loss rate | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.14 | | | | 0.16 | | |
Level 3 | Other asset-backed securities | Duration (years) | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | 4 months 24 days | 6 months | | | | | | | | | |
Level 3 | Other asset-backed securities | Duration (years) | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | 2 years 9 months 18 days | 3 years | | | | | | | | | |
Level 3 | Other asset-backed securities | Duration (years) | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | 1 year 4 months 24 days | 1 year 6 months | | | | | | | | | |
Level 3 | Loans and other receivables | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | $ 121,129 | $ 114,080 | | | | | | | | | |
Level 3 | Loans and other receivables | Market Approach and Scenario Analysis | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 67,207 | $ 112,574 | | | | | | | | | |
Level 3 | Loans and other receivables | Price | Market approach | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / Bond | | | | 1 | | | | 36 | | | |
Level 3 | Loans and other receivables | Price | Market approach | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / Bond | | | | 100 | | | | 100 | | | |
Level 3 | Loans and other receivables | Price | Market approach | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / Bond | | | | 81 | | | | 90 | | | |
Level 3 | Loans and other receivables | Estimated recovery percentage | Scenario analysis | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.01 | | | | 0.87 | | |
Level 3 | Loans and other receivables | Estimated recovery percentage | Scenario analysis | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 1 | | | | 1.04 | | |
Level 3 | Loans and other receivables | Estimated recovery percentage | Scenario analysis | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.61 | | | | 0.99 | | |
Level 3 | Loans and other receivables | Term based on the pay off (years) | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | | 0 months | | | | | | | | | |
Level 3 | Loans and other receivables | Term based on the pay off (years) | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | | 1 month 6 days | | | | | | | | | |
Level 3 | Loans and other receivables | Term based on the pay off (years) | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | | 1 month 6 days | | | | | | | | | |
Level 3 | Interest rate swaps | Basis points upfront | Market approach | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Derivative asset, measurement input | | | | | 1 | | | | 0 | | |
Derivative liability, measurement input | | | | | 0 | | | | 0 | | |
Level 3 | Interest rate swaps | Basis points upfront | Market approach | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Derivative asset, measurement input | | | | | 16 | | | | 16 | | |
Derivative liability, measurement input | | | | | 16 | | | | 22 | | |
Level 3 | Interest rate swaps | Basis points upfront | Market approach | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Derivative asset, measurement input | | | | | 8 | | | | 6 | | |
Derivative liability, measurement input | | | | | 7 | | | | 13 | | |
Level 3 | Unfunded commitments | Price | Market approach | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Derivative asset, measurement input | $ / Bond | | | | | | | | 88 | | | |
Derivative liability, measurement input | $ / Bond | | | | 90 | | | | 88 | | | |
Level 3 | Equity options | Volatility | Volatility benchmarking | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Derivative asset, measurement input | | | | | 0.49 | | | | 0.45 | | |
Level 3 | Equity options | Volatility | Volatility benchmarking | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Derivative liability, measurement input | | | | | 0.33 | | | | 0.21 | | |
Level 3 | Equity options | Volatility | Volatility benchmarking | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Derivative liability, measurement input | | | | | 0.62 | | | | 0.61 | | |
Level 3 | Equity options | Volatility | Volatility benchmarking | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Derivative liability, measurement input | | | | | 0.47 | | | | 0.43 | | |
Level 3 | Private equity securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | 92,194 | $ 157,504 | | | | | | | | | |
Level 3 | Private equity securities | Price | Market approach | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | 2 | | | | 8 | | | | |
Level 3 | Private equity securities | Price | Market approach | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | 169 | | | | 250 | | | | |
Level 3 | Private equity securities | Price | Market approach | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | $ / shares | | | 40 | | | | 80 | | | | |
Level 3 | Private equity securities | Estimated recovery percentage | Scenario analysis | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.86 | | | | | | |
Level 3 | Private equity securities | Discount rate/yield | Scenario analysis | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.19 | | | | 0.19 | | |
Level 3 | Private equity securities | Discount rate/yield | Scenario analysis | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.21 | | | | 0.21 | | |
Level 3 | Private equity securities | Discount rate/yield | Scenario analysis | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0.20 | | | | 0.20 | | |
Level 3 | Private equity securities | Revenue growth | Scenario analysis | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input | | | | | 0 | | | | 0 | | |
Level 3 | FXCM term loan | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | $ 53,765 | $ 59,120 | | | | | | | | | |
Level 3 | FXCM term loan | Term based on the pay off (years) | Discounted cash flows | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | 0 months | 0 months | | | | | | | | | |
Level 3 | FXCM term loan | Term based on the pay off (years) | Discounted cash flows | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | 1 year 8 months 12 days | 1 year 2 months 12 days | | | | | | | | | |
Level 3 | FXCM term loan | Term based on the pay off (years) | Discounted cash flows | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instrument owned, measurement input, term | 1 year 8 months 12 days | 1 year 2 months 12 days | | | | | | | | | |
Level 3 | Securities purchased under agreements to resell | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Securities purchased under agreements to resell | | $ 25,000 | | | | | | | | | |
Level 3 | Securities purchased under agreements to resell | Duration (years) | Market approach | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Securities purchased under agreements to resell, measurement input, term | | 1 year 6 months | | | | | | | | | |
Level 3 | Securities purchased under agreements to resell | Spread to 6 month LIBOR | Market approach | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Securities purchased under agreements to resell, measurement input | | | | | | | | | 500 | | |
Level 3 | Corporate equity securities | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments owned, at fair value | $ 76,140 | $ 58,426 | | | | | | | | | |
Financial instruments sold, not yet purchased, at fair value | 4,190 | 4,487 | | | | | | | | | |
Level 3 | Corporate equity securities | Transaction level | Market approach | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments sold, not yet purchased, measurement input | $ / shares | | | 1 | | | | 1 | | | | |
Level 3 | Loans | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Financial instruments sold, not yet purchased, at fair value | 10,674 | 9,463 | | | | | | | | | |
Debt instrument, fair value | $ 10,674 | $ 9,463 | | | | | | | | | |
Level 3 | Loans | Price | Market approach | Minimum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Debt instrument, measurement input | $ / Bond | | | | 1 | | | | 50 | | | |
Level 3 | Loans | Price | Market approach | Maximum | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Debt instrument, measurement input | $ / Bond | | | | 50 | | | | 100 | | | |
Level 3 | Loans | Price | Market approach | Weighted Average | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Debt instrument, measurement input | $ / Bond | | | | 33 | | | | 88 | | | |
Level 3 | Loans | Estimated recovery percentage | Scenario analysis | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Debt instrument, measurement input | | | | | 0.01 | | | | 0.01 | | |
Level 3 | Cross currency swaps | Basis points upfront | Market approach | | | | | | | | | | | |
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | | | | | | | | | | |
Derivative liability, measurement input | | | | | | | | | 2 | | |