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BASIS OF PREPARATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details)
Dec. 31, 2024
obligation
Disaggregation of Revenue [Line Items]  
Number of performance obligations 2
Investment Management  
Disaggregation of Revenue [Line Items]  
Number of performance obligations 1
Distribution  
Disaggregation of Revenue [Line Items]  
Number of performance obligations 1
Administrative Service  
Disaggregation of Revenue [Line Items]  
Number of performance obligations 1
Oher Administrative Service  
Disaggregation of Revenue [Line Items]  
Number of performance obligations 1