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Intangibles and Goodwill - Schedule of Intangibles (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Mar. 31, 2024
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Finite-Lived Intangible Assets [Line Items] |  |
Less: Accumulated amortization | $ (154,029) | $ (143,779)
Intangibles, net | 294,623 | 304,873
Management contracts |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | 352,002 | 352,002
Client relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | $ 96,650 | $ 96,650

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