Fair Value Disclosures - Investment in FXCM (Details) - Investment in FXCM $ in Millions |
May 31, 2022
USD ($)
|
|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Senior secured term loan receivable, principal outstanding | $ 71.6 |
| Equity method investment, ownership percentage | 50.00% |