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Revenue Recognition - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Disaggregation Of Revenue [Line Items]      
Total capitalized costs $ 4,524    
Contract liabilities $ 291 $ 770 $ 4,223
Other Assets      
Disaggregation Of Revenue [Line Items]      
Total capitalized costs   $ 3,330