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Revenue - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |  |
Unbilled receivables, net | $ 30,824 |  | $ 30,824 |  | $ 22,358
Contract with customer, liability | 8,600 |  | 8,600 |  | $ 10,100
Contract with customer, liability, revenue recognized |  |  | 2,700 | $ 2,000 |
Revenue, remaining performance obligation | $ 218,000 |  | $ 218,000 |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01 |  |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |  |
Revenue, remaining performance obligation, expected timing of satisfaction, period | 1 year |  | 1 year |  |
Revenue, remaining performance obligation, percentage | 90.00% |  | 90.00% |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01 |  |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |  |
Revenue, remaining performance obligation, expected timing of satisfaction, period |  |  |  |  |
Revenue, remaining performance obligation, percentage | 10.00% |  | 10.00% |  |
Revenue from Contract with Customer Benchmark | Product Concentration Risk | Transferred at Point in Time |  |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |  |
Concentration risk, percentage | 57.00% | 50.00% | 57.00% | 50.00% |
Revenue from Contract with Customer Benchmark | Product Concentration Risk | Transferred over Time |  |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |  |
Concentration risk, percentage | 43.00% | 50.00% | 43.00% | 50.00% |

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