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Stockholders' Equity and Redeemable Non-Controlling Interests - Narrative (Details) $ / shares in Units, $ in Thousands |  |  |  | 1 Months Ended | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2024 USD ($) classOfStock $ / shares shares | May 31, 2024 USD ($) $ / shares shares | Apr. 01, 2024 USD ($) | Jun. 30, 2024 USD ($) classOfStock $ / shares shares | Apr. 30, 2024 USD ($) | Jun. 30, 2024 USD ($) classOfStock $ / shares shares | Jun. 30, 2023 USD ($) | May 23, 2024 $ / shares | Mar. 31, 2024 USD ($) exchange $ / shares | Feb. 07, 2024 exchange shares | Mar. 31, 2023 USD ($)
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of classes of common stock outstanding | classOfStock | 2 |  |  | 2 |  | 2 |  |  |  |  |
Preferred stock, shares authorized (in shares) | 25,000,000 |  |  | 25,000,000 |  | 25,000,000 |  |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.001 |  |  | $ 0.001 |  | $ 0.001 |  |  |  |  |
Preferred stock, shares outstanding (in shares) | 0 |  |  | 0 |  | 0 |  |  |  |  |
Preferred stock, shares issued (in shares) | 0 |  |  | 0 |  | 0 |  |  |  |  |
Share exchange ratio | 1 |  |  |  |  |  |  |  |  |  |
Payments to acquire additional interests | $ |  | $ 13,000 | $ 5,400 |  |  |  |  |  |  |  |
Annual exchanges | exchange |  |  |  |  |  |  |  |  | 9 | 10 |
Number of additional exchanges | exchange |  |  |  |  |  |  |  |  | 14 | 15 |
Shares available for issuance as consideration (in shares) |  |  |  |  |  |  |  |  |  | 75,000,000 |
Annual portion of equity interests to be exchanged |  | 5.00% |  |  |  |  |  |  |  | 5.00% |
Transaction agreement, exchange ratio |  | 1 |  |  |  |  |  |  |  |  |
Class D exchange agreement, period |  | 1 year |  |  |  |  |  |  |  |  |
Class D exchange agreement, acceleration exchange, period |  | 2 years |  |  |  |  |  |  |  |  |
Purchase of non-controlling interests | $ |  |  |  |  |  | $ 5,398 |  |  |  |  |
Supplemental dividend payable (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 0.15 |  |  |
Non-Controlling Interests in Subsidiaries |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Purchase of non-controlling interests | $ |  |  |  |  | $ 110,400 | 110,351 | $ 0 |  |  |  |
Redeemable non-controlling interests in Consolidated Funds | $ | $ 5,931 |  |  | $ 5,931 |  | $ 5,931 | $ 0 |  | $ 115,920 |  | $ 0
SRA |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interest, ownership by parent |  | 54.00% |  |  |  |  |  |  |  |  |
SRE |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interest, ownership by parent |  | 56.00% |  |  |  |  |  |  |  |  |
SPD |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interest, ownership by parent |  | 54.00% |  |  |  |  |  |  |  |  |
Class C Common Stock |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Conversion basis |  |  |  |  |  | 1 |  |  |  |  |
Class C Common Stock | Exchange Two |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share exchange, shares exchanged (in shares) |  |  |  | 71,766 |  |  |  |  |  |  |
Class A Common Stock |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Units issued for purchase of asset class non-controlling interests (in shares) |  | 513,394 |  |  |  | 513,394 |  |  |  |  |
Common stock, par value (in dollars per share) | $ / shares | $ 0.001 | $ 0.001 |  | $ 0.001 |  | $ 0.001 |  |  | $ 0.001 |  |
Dividends payable (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 0.21 |  |  |
Class A Common Stock | Exchange One |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share exchange, shares issued (in shares) |  |  |  | 1,731,807 |  |  |  |  |  |  |
Class A Common Stock | Exchange Two |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share exchange, shares issued (in shares) |  |  |  | 71,766 |  |  |  |  |  |  |
Class B Common Stock |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ / shares | $ 0.001 |  |  | $ 0.001 |  | $ 0.001 |  |  | $ 0.001 |  |
Class B Common Stock | Exchange One |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share exchange, shares exchanged (in shares) |  |  |  | 1,731,807 |  |  |  |  |  |  |
Class D Partnership Units |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Units issued for purchase of asset class non-controlling interests (in shares) |  | 2,239,185 |  |  |  |  |  |  |  |  |

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