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Business Combination (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Jan. 02, 2020
Dec. 31, 2019
Business Acquisition [Line Items]            
Goodwill $ 208,373   $ 208,373     $ 162,574
Intangible assets         $ 8,076  
Merger expenses 5,146 $ 331 14,640 $ 7,893    
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 $ 2,100   $ 11,600      
Percentage of shares converted into cash         20.00%  
Percentage of common shares be converted into shares         80.00%