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Fair Value Measurements - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Mar. 31, 2025
--- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest payable | $ 24,900 | $ 19,400
Level 1 | Carrying Amount |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash and cash equivalents | 4,902 | 1,346
Accounts payable and accrued expenses | 234,348 | 156,770
Level 1 | Estimated Fair Value |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash and cash equivalents | 4,902 | 1,346
Accounts payable and accrued expenses | 234,348 | 156,770
Level 2 | Carrying Amount |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt due to related parties, net | 103,960 | 117,896
Level 2 | Estimated Fair Value |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt due to related parties, net | $ 132,622 | $ 143,260

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