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Compensation and Benefits -Impact of Change in Value of Investments (Details) - Long-Term Cash Awards - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Operating Expense      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Long-Term Incentive Compensation Expense $ (3,391) $ 520 $ 0
Nonoperating Income (Expense)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Net investment gain (loss) of consolidated investment products $ (13,198) $ 2,717 $ 0