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COST-SAVING INITIATIVES - Expenses Associated with Cost Savings Initiatives (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2024 USD ($)
Cost Saving initiatives [Line Items] |
Restructuring charges | $ 48,729
Severance and other employee termination expenses (included in "compensation and benefits" expense) |
Cost Saving initiatives [Line Items] |
Restructuring charges | 46,610
Other |
Cost Saving initiatives [Line Items] |
Restructuring charges | 2,119
Financial Advisory |
Cost Saving initiatives [Line Items] |
Restructuring charges | 33,481
Financial Advisory | Severance and other employee termination expenses (included in "compensation and benefits" expense) |
Cost Saving initiatives [Line Items] |
Restructuring charges | 32,773
Financial Advisory | Other |
Cost Saving initiatives [Line Items] |
Restructuring charges | 708
Asset Management |
Cost Saving initiatives [Line Items] |
Restructuring charges | 11,559
Asset Management | Severance and other employee termination expenses (included in "compensation and benefits" expense) |
Cost Saving initiatives [Line Items] |
Restructuring charges | 11,545
Asset Management | Other |
Cost Saving initiatives [Line Items] |
Restructuring charges | 14
Corporate |
Cost Saving initiatives [Line Items] |
Restructuring charges | 3,689
Corporate | Severance and other employee termination expenses (included in "compensation and benefits" expense) |
Cost Saving initiatives [Line Items] |
Restructuring charges | 2,292
Corporate | Other |
Cost Saving initiatives [Line Items] |
Restructuring charges | $ 1,397

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