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Share-based Compensation - Equity-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total share-based compensation	$ 2,026		$ 1,918	$ 37,530	$ 8,162
Conversion of BCG Common Class A Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total share-based compensation		$ 15,000		15,000
Employees | Ben Liquidity
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total share-based compensation	300			2,900
BMP equity units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total share-based compensation	305		806	1,549	3,506
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total share-based compensation	1,165		826	17,206	3,512
Preferred equity
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total share-based compensation	286		286	858	1,144
Other
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total share-based compensation	$ 270		$ 0	$ 17,917	$ 0

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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