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Revenue Recognition - Schedule of Contract Liability Activity (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Change in Contract with Customer, Liability [Abstract]    
Beginning balance $ 12,948 $ 12,997
Payments in advance of satisfaction of performance obligations 11,847 13,030
Revenue recognized (13,509) (12,072)
Other, including translation adjustments 548 $ (1,007)
Ending balance $ 11,834