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Sale of Assets of Diamond Hill's High Yield-Focused Fund (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - Acquired Funds $ in Millions | 3 Months Ended |
--- | --- | ---
Jun. 30, 2022 USD ($) | Feb. 02, 2021 USD ($) payment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Proceeds from sale of high yield-focused advisory contracts | $ 9.0 |
Number of additional payments | payment |  | 2
Additional consideration | $ 5.7 |
Maximum |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Additional consideration |  | $ 13.0

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