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Business Combination (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Jan. 27, 2020
Jan. 02, 2020
Dec. 31, 2019
Business Acquisition [Line Items]              
Goodwill $ 208,372   $ 208,372       $ 162,574
Intangible assets         $ 8,076    
Merger expenses $ 191 14,640 $ 8,084      
BNJ acquisition [Member]              
Business Acquisition [Line Items]              
Per share value of stock shareholders can elect to receive per merger agreement           $ 16.25  
Number of shares of stock shareholders can elect to receive per merger agreement           0.780  
Goodwill           $ 45,800  
Intangible assets           $ 8,100  
Merger expenses $ 0   $ 11,600        
Percentage of shares converted into cash           20.00%  
Percentage of common shares be converted into shares           80.00%