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Organization and Business (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Oct. 19, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Subsidiary, Sale of Stock [Line Items]        
Other offering costs   $ 6,464 $ 0 $ 0
IPO        
Subsidiary, Sale of Stock [Line Items]        
Number of shares of common stock issued 7,000,000      
Public offering price (usd per share) $ 22.00      
Net proceeds $ 139,100      
Underwriting discounts and commissions 8,500      
Other offering costs $ 6,500