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Supplemental Cash Flow Information - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | [3] | Dec. 31, 2023 | Dec. 31, 2022
Class of Stock [Line Items] |  |  |  |  |  |
Cash paid for interest |  |  | $ 400 |  | $ 6,500 |
Transfer of alternative assets for loan payable settlement |  |  | 56,700 |  |  |
Issuance of shares | $ (1,477) |  | (5,767) | [1] | 20,100 | [2]
Accrual for preferred stock guaranteed payment |  |  | (12,500) |  | (11,800) |
Deemed dividend for BCG Preferred B.2 Unit Accounts preferred return |  | $ 9,134 | 0 | [1] | 27,905 | [2]
Distribution to noncontrolling interest |  |  | 1,100 |  | 300 |
Distributions payable to charitable beneficiaries |  |  | (800) |  | (1,300) |
Issuance of noncontrolling interest from reserved cash received in prior period |  |  |  |  | 2,400 |
Promissory note receivable received as consideration in sale of fixed assets |  |  |  |  | 1,400 |
BCG Class A Units Received |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Exchange of preferred stock |  |  | 793,400 |  |  |
Preferred Series B Subclass 2 |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Exchange of preferred stock |  |  | 791,900 |  |  |
BCH Preferred Series C |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Conversion of stock |  |  | 205,800 |  |  |
Preferred Series A Subclass 1 |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Exchange of preferred stock |  |  | 193,900 |  |  |
Deemed dividend for BCG Preferred B.2 Unit Accounts preferred return |  |  | (6,900) |  |  |
Preferred Series B-1 | Post De-SPAC Transaction |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of shares |  |  | 36,700 |  |  |
Common Class A | Post De-SPAC Transaction |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of shares |  |  | 5,300 |  |  |
Common Class A | Settlement of Liability Assumed at De-SPAC |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of shares |  |  | 4,000 |  |  |
Class S Ordinary |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Exchange of preferred stock |  |  | $ 3,900 |  |  |
BCG Class B Units Received |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of shares |  |  |  |  | 20,100 |
Preferred Series A Subclass 0 |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of preferred stock in exchange for conversion of preferred stock |  |  |  |  | $ 1,100 |
[1] | Retroactively adjusted March 31, 2023 for de-SPAC merger transaction as described in Note 4.
[2] | Retroactively adjusted March 31, 2022 and the nine months ended December 31, 2022 for de-SPAC merger transaction as described in Note 4.
[3] | Retroactively adjusted September 30, 2022 and three months ended December 31, 2022 for de-SPAC merger transaction as described in Note 4.

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