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Derivative Financial Instruments - Counterparty Credit Quality with Respect to Fair Value of OTC Derivatives Assets (Details)
$ in Thousands
Nov. 30, 2023
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
A- or higher $ 561,329
BBB- to BBB+ 73,889
BB+ or lower 234,087
Unrated 187,868
Total OTC derivative assets included in Financial instruments owned $ 1,057,173