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Variable Interest Entities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021
Variable Interest Entity [Line Items]
Investments in funds	$ 82,894	$ 74,379
Due from affiliates	6,819	7,474
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in funds	82,894	74,379
Due from affiliates	3,907	4,218
Less: Amounts attributable to non-controlling interests in subsidiaries	7,441	7,488
Maximum exposure to loss	$ 79,360	$ 71,109

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