XML 67 R57.htm IDEA: XBRL DOCUMENT v3.24.0.1
Fair Value Measurements - Assets and Liabilities at Fair Value on a Recurring Basis (Details) - USD ($)
Dec. 31, 2023
Mar. 31, 2023
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments $ 378,420,000 $ 497,221,000
Debt securities available-for-sale 3,127,000 76,898,000
Warrant liability 161,000 0 [1]
Prepaid forward liability 12,000  
Derivative liability   3,513,000
Level 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant liability 161,000  
Prepaid forward liability 12,000  
Derivative liability   0
Level 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant liability 0  
Prepaid forward liability 0  
Derivative liability   0
Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant liability 0  
Prepaid forward liability 0  
Derivative liability   3,513,000
Public equity securities    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments 4,210,000 8,837,000
Public equity securities | Level 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments 4,210,000 8,837,000
Public equity securities | Level 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments 0 0
Public equity securities | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments 0 0
Other equity interests    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other equity interests 3,797,000  
Other equity interests | Level 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other equity interests 0  
Other equity interests | Level 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other equity interests 3,797,000  
Other equity interests | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other equity interests 0  
Put options    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments 0 3,991,000
Put options | Level 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments   3,991,000
Put options | Level 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments   0
Put options | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments   0
Corporate debt securities (L Bonds)    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt securities available-for-sale   73,822,000
Corporate debt securities (L Bonds) | Level 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt securities available-for-sale   0
Corporate debt securities (L Bonds) | Level 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt securities available-for-sale   73,822,000
Corporate debt securities (L Bonds) | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt securities available-for-sale   0
Other debt securities    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt securities available-for-sale 3,127,000 3,076,000
Other debt securities | Level 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt securities available-for-sale 0 0
Other debt securities | Level 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt securities available-for-sale 998,000 998,000
Other debt securities | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt securities available-for-sale $ 2,129,000 $ 2,078,000
[1] Retroactively adjusted March 31, 2023 for the de-SPAC merger transaction as described in Note 4. Such adjustments are unaudited.