Quarterly report pursuant to Section 13 or 15(d)

Investments in Equity Securities - Components (Details)

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Investments in Equity Securities - Components (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]    
Cost $ 65,301  
Fair Value 364 $ 330
Equity shares    
Debt and Equity Securities, FV-NI [Line Items]    
Cost 54,237  
Fair Value 362  
Equity rights    
Debt and Equity Securities, FV-NI [Line Items]    
Cost 11,064  
Fair Value $ 2