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Subsequent Events (Details)
$ in Thousands
1 Months Ended 6 Months Ended 12 Months Ended
Jul. 23, 2021
USD ($)
shares
Jan. 31, 2021
USD ($)
Jun. 30, 2021
USD ($)
shares
Jun. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2018
USD ($)
Feb. 28, 2021
USD ($)
Jan. 04, 2021
USD ($)
Sep. 04, 2017
shares
Subsequent Events (Details) [Line Items]                    
Convertible promissory notes     $ 64,343              
Interest rate                 6.00%  
Convertible promissory notes               $ 32,500    
Proceeds from bank loans     $ 26,603 $ 9,473 $ 17,308 $ 17,735 $ 62,432      
Aggregate of shares (in Shares) | shares     617,880   617,880 617,880       2,600
Subsequent Event [Member]                    
Subsequent Events (Details) [Line Items]                    
Convertible promissory notes                 $ 57,500  
Convertible promissory notes   $ 25,000                
Acquisition of building cost   $ 18,300                
Proceeds from bank loans     $ 9,921              
Net proceeds $ 708,400                  
Proceeds from convertible notes $ 57,500                  
Aggregate of shares (in Shares) | shares 210,000,000                  
Exchange ratio 160.3                  
Ownership interest 69.90%                  
PRC [Member] | Minimum [Member] | Subsequent Event [Member]                    
Subsequent Events (Details) [Line Items]                    
Interest rate     5.00%              
PRC [Member] | Maximum [Member] | Subsequent Event [Member]                    
Subsequent Events (Details) [Line Items]                    
Interest rate     6.00%