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Fair Value of Financial Assets and Liabilities (Details) - Schedule of fair value assets and liabilities - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Fair Value of Financial Assets and Liabilities (Details) - Schedule of fair value assets and liabilities [Line Items]    
Equities $ 62,306  
Mutual fund securities 25,013  
Unit Investments Trust 513  
Assets 87,832  
Short-term investment 1,866
Convertible note receivable 2,067  
Assets    
Marketable securities   24,801
Investments   2,764
Quoted prices in active markets (Level 1) [Member]    
Fair Value of Financial Assets and Liabilities (Details) - Schedule of fair value assets and liabilities [Line Items]    
Equities 62,306  
Mutual fund securities 25,013  
Unit Investments Trust 513  
Assets 87,832  
Short-term investment 1,866  
Convertible note receivable  
Assets    
Marketable securities   24,801
Investments   2,764
Significant other observable inputs (Level 2) [Member]    
Fair Value of Financial Assets and Liabilities (Details) - Schedule of fair value assets and liabilities [Line Items]    
Equities  
Mutual fund securities  
Unit Investments Trust  
Assets  
Short-term investment  
Convertible note receivable  
Assets    
Marketable securities  
Investments  
Significant unobservable inputs (Level 3) [Member]    
Fair Value of Financial Assets and Liabilities (Details) - Schedule of fair value assets and liabilities [Line Items]    
Equities  
Mutual fund securities  
Unit Investments Trust  
Assets  
Short-term investment  
Convertible note receivable $ 2,067  
Assets    
Marketable securities  
Investments