Investment in Unconsolidated Affiliates (Condensed Balance Sheets of LSV) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Current assets	$ 1,404,229	$ 1,300,977
Total Assets	2,354,702	2,167,256
Current liabilities	355,743	317,275
Total Liabilities and Equity	2,354,702	2,167,256
LSV Asset Management | Equity Method Investment, Nonconsolidated Investee
Schedule of Equity Method Investments [Line Items]
Current assets	171,058	151,515
Non-current assets	4,792	4,296
Total Assets	175,850	155,811
Current liabilities	82,858	77,077
Non-current liabilities	3,863	4,620
Partners’ capital	89,129	74,114
Total Liabilities and Equity	$ 175,850	$ 155,811