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Revenues and Accounts Receivable - Additional Information (Details1) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]    
Revenue remaining performance obligations $ 25.4 $ 24.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-04-01    
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]    
Revenue remaining performance obligations $ 22.3  
Revenue remaining performance obligations, satisfaction period 1 year  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-04-01    
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]    
Revenue remaining performance obligations $ 3.1  
Revenue remaining performance obligations, satisfaction period