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BASIS OF PREPARATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details)	Dec. 31, 2021 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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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