Annual report pursuant to Section 13 and 15(d)

Revenue Related Disclosures - Schedule of Remaining Performance Obligations for Contractually Committed Revenues (Details)

v3.21.1
Revenue Related Disclosures - Schedule of Remaining Performance Obligations for Contractually Committed Revenues (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
Disaggregation Of Revenue [Line Items]  
Estimated remaining performance obligations for contractually committed revenues $ 57,353
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01  
Disaggregation Of Revenue [Line Items]  
Estimated remaining performance obligations for contractually committed revenues $ 41,967
Estimated remaining performance obligations for contractually committed revenues recognition period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-01-01  
Disaggregation Of Revenue [Line Items]  
Estimated remaining performance obligations for contractually committed revenues $ 10,493
Estimated remaining performance obligations for contractually committed revenues recognition period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-01-01  
Disaggregation Of Revenue [Line Items]  
Estimated remaining performance obligations for contractually committed revenues $ 3,522
Estimated remaining performance obligations for contractually committed revenues recognition period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-01-01  
Disaggregation Of Revenue [Line Items]  
Estimated remaining performance obligations for contractually committed revenues $ 1,371
Estimated remaining performance obligations for contractually committed revenues recognition period