Subsequent Events	9 Months Ended
Sep. 30, 2022
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On October 19, 2022, the Company entered into an agreement to acquire AlphaSimplex Group, LLC, a leading manager of liquid alternative investment solutions with $10.9 billion of assets under management at September 30, 2022. The transaction is expected to close near the end of the first quarter of 2023, subject to customary closing conditions, necessary regulatory approvals, and approvals by the mutual fund boards and fund shareholders.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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