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Investment In Unconsolidated Affiliate (Condensed Statements of Operations of LSV) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Schedule of Equity Method Investments [Line Items]
Revenues	$ 469,119	$ 581,443
Equity Method Investment, Nonconsolidated Investee
Schedule of Equity Method Investments [Line Items]
Revenues	98,192	108,450
Net income	$ 74,774	$ 83,791

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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