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Related Party Transactions (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Related Party Transaction [Line Items]    
Related party, greater than 5% shareholder 5.00%  
Corvid Peak | Strategic Combination Agreement    
Related Party Transaction [Line Items]    
Investment in funds to be managed   $ 75,000
Management fee based on net asset value of invested capital   1.25%
Management fee based on percent of net profits   20.00%
Investment Income, Investment Expense $ 308 $ 212