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Revenue from Contracts with Customers - Additional Information1 (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-07-01
Jun. 30, 2019
USD ($)
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Remaining contract consideration for which revenue has not been recognized due to unsatisfied performance obligations $ 575,000
Remaining contract consideration, expected period to be recognized 6 months