AllianzGI Strategic Partnership - Additional Information (Details) - AllianzGI - USD ($) $ in Millions	Feb. 01, 2021	Jun. 30, 2021
Business Acquisition [Line Items]
Annual payment term	7 years
Contingent consideration		$ 137.7
Costs	$ 7.7

Amount of transaction cost incurred as part of consideration transferred in asset acquisition.

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