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Redeemable Noncontrolling Interest - Summary of Changes in Redeemable Noncontrolling Interest (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Noncontrolling Interest [Abstract]      
Beginning balance $ 5,909 $ 6,648  
Net loss attributable to redeemable noncontrolling interest (821) (317) $ (46)
Adjustment to the redemption value 1,318 251  
Foreign currency translation adjustment (234) (673)  
Ending balance $ 6,172 $ 5,909 $ 6,648