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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 54,205 | $ 52,870
Accumulated Amortization | (43,235) | (41,943)
Total | 10,970 | 10,927
Technology |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 30,463 | 30,499
Accumulated Amortization | (27,585) | (26,818)
Total | $ 2,878 | $ 3,681
Weighted Average Amortization Period | 5 years 3 months 18 days | 5 years 4 months 24 days
Customer relationships |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 16,976 | $ 16,981
Accumulated Amortization | (14,397) | (13,982)
Total | $ 2,579 | $ 2,999
Weighted Average Amortization Period | 8 years 4 months 24 days | 8 years 4 months 24 days
Patents |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 6,452 | $ 5,076
Accumulated Amortization | (1,018) | (908)
Total | $ 5,434 | $ 4,168
Weighted Average Amortization Period | 12 years 8 months 12 days | 12 years 6 months
Other |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 314 | $ 314
Accumulated Amortization | (235) | (235)
Total | $ 79 | $ 79
Weighted Average Amortization Period | 2 years 2 months 12 days | 2 years 2 months 12 days

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