Property, Plant and Equipment - Depreciation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
Depreciation Expense [Line Items] | ||||
Total depreciation expense | $ 4,469 | $ 3,157 | $ 12,983 | $ 9,537 |
Cost of revenue | ||||
Depreciation Expense [Line Items] | ||||
Total depreciation expense | 2,976 | 2,284 | 8,947 | 6,958 |
Research and development | ||||
Depreciation Expense [Line Items] | ||||
Total depreciation expense | 296 | 197 | 829 | 441 |
Sales and marketing | ||||
Depreciation Expense [Line Items] | ||||
Total depreciation expense | 32 | 30 | 90 | 90 |
General and administrative | ||||
Depreciation Expense [Line Items] | ||||
Total depreciation expense | $ 1,165 | $ 646 | $ 3,117 | $ 2,048 |