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Business Combinations, Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Intangible Assets |  |
Total intangible assets, gross | $ 29,286 | $ 22,353
Accumulated amortization | (10,038) | (8,344)
Total | $ 19,248 | 14,009
Minimum |  |
Intangible Assets |  |
Estimated useful lives (Year) | 3 years |
Maximum |  |
Intangible Assets |  |
Estimated useful lives (Year) | 10 years |
Tradenames |  |
Intangible Assets |  |
Total intangible assets, gross | $ 555 | 555
Tradenames | Minimum |  |
Intangible Assets |  |
Estimated useful lives (Year) | 5 years |
Tradenames | Maximum |  |
Intangible Assets |  |
Estimated useful lives (Year) | 7 years |
Patents and Technological Know-how |  |
Intangible Assets |  |
Estimated useful lives (Year) | 10 years |
Total intangible assets, gross | $ 25,427 | 18,494
Proprietary software |  |
Intangible Assets |  |
Total intangible assets, gross | $ 2,981 | 2,981
Proprietary software | Minimum |  |
Intangible Assets |  |
Estimated useful lives (Year) | 3 years |
Proprietary software | Maximum |  |
Intangible Assets |  |
Estimated useful lives (Year) | 15 years |
Other |  |
Intangible Assets |  |
Total intangible assets, gross | $ 323 | $ 323
Other | Minimum |  |
Intangible Assets |  |
Estimated useful lives (Year) | 3 years |
Other | Maximum |  |
Intangible Assets |  |
Estimated useful lives (Year) | 5 years |

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