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v3.23.3

Fair Value Measurements - Assets and Liabilities at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Mar. 31, 2023 | Mar. 31, 2022
--- | --- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments | $ 489,290 | $ 497,221 |  | $ 674,170
Debt securities available-for-sale | 81,188 | 76,898 |  | 78,293
Warrant liability | 1,128 | 0 | [1] |
Prepaid forward liability | 92 |  |  |
Derivative liability | 2,095 | $ 3,513 |  | $ 8,108
Derivative Liability, Statement of Financial Position [Extensible Enumeration] |  | Liabilities |  | Liabilities
Level 1 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Warrant liability | 1,128 |  |  |
Prepaid forward liability | 92 |  |  |
Derivative liability | 0 | $ 0 |  | $ 0
Level 2 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Warrant liability | 0 |  |  |
Prepaid forward liability | 0 |  |  |
Derivative liability | 0 | 0 |  | 0
Level 3 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Warrant liability | 0 |  |  |
Prepaid forward liability | 0 |  |  |
Derivative liability | 2,095 | 3,513 |  | 8,108
Public equity securities |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments | 5,051 | 8,837 |  | 69,769
Public equity securities | Level 1 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments | 5,051 | 8,837 |  | 69,769
Public equity securities | Level 2 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments | 0 | 0 |  | 0
Public equity securities | Level 3 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments | 0 | 0 |  | 0
Put options |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments | 1,663 | 3,991 |  |
Put options | Level 1 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments | 1,663 | 3,991 |  |
Put options | Level 2 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments | 0 | 0 |  |
Put options | Level 3 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments | 0 | 0 |  |
Corporate debt securities (L Bonds) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt securities available-for-sale | 78,007 | 73,822 |  | 74,295
Corporate debt securities (L Bonds) | Level 1 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt securities available-for-sale | 0 | 0 |  | 0
Corporate debt securities (L Bonds) | Level 2 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt securities available-for-sale | 78,007 | 73,822 |  | 74,295
Corporate debt securities (L Bonds) | Level 3 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt securities available-for-sale | 0 | 0 |  | 0
Other debt securities |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt securities available-for-sale | 3,181 | 3,076 |  | 3,998
Other debt securities | Level 1 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt securities available-for-sale | 0 | 0 |  | 0
Other debt securities | Level 2 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt securities available-for-sale | 998 | 998 |  | 998
Other debt securities | Level 3 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt securities available-for-sale | $ 2,183 | $ 2,078 |  | $ 3,000
[1] | Retroactively adjusted March 31, 2023 for the de-SPAC merger transaction as described in Note 4. Such adjustments are unaudited.

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