Revenue Recognition - Additional Information (Details 1) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Revenue Recognition [Line Items]
Estimated revenue expected to be recognized in the future	$ 3,868
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-04-01
Revenue Recognition [Line Items]
Estimated revenue expected to be recognized in the future	$ 1,967
Revenue, remaining performance obligation, expected timing of satisfaction, period	9 months
Revenue For Future Outstanding Performance Obligations	$ 3,868
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01
Revenue Recognition [Line Items]
Estimated revenue expected to be recognized in the future	$ 1,820
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-01-01
Revenue Recognition [Line Items]
Estimated revenue expected to be recognized in the future	$ 65
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-01-01
Revenue Recognition [Line Items]
Estimated revenue expected to be recognized in the future	$ 16
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year