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Redeemable Non-Controlling Interests (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Class of Stock [Line Items]  
Investor contributed capital balance, percentage 7.00%
Remaining investor contributed capital balance, percentage 5.00%
Minimum  
Class of Stock [Line Items]  
Variable interest entity, aggregate exercise price of put options $ 659
Maximum  
Class of Stock [Line Items]  
Variable interest entity, aggregate exercise price of put options $ 917