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Goodwill and Intangible Assets - Intangible assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross | $ 199,799 |  | $ 199,799 |  | $ 162,043
Accumulated Amortization | (117,261) |  | (117,261) |  | (116,208)
Net | 82,538 |  | $ 82,538 |  | 45,835
Weighted Average Useful Life Remaining (in years) |  |  | 9 years 1 month 6 days |  |
Amortization expense | 4,293 | $ 2,690 | $ 10,273 | $ 7,619 |
Customer relationships |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross | 47,699 |  | 47,699 |  | 53,062
Accumulated Amortization | (44,345) |  | (44,345) |  | (45,613)
Net | 3,354 |  | $ 3,354 |  | 7,449
Weighted Average Useful Life Remaining (in years) |  |  | 2 years 8 months 12 days |  |
Acquired technology |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross | 53,205 |  | $ 53,205 |  | 17,518
Accumulated Amortization | (7,677) |  | (7,677) |  | (5,430)
Net | 45,528 |  | $ 45,528 |  | 12,088
Weighted Average Useful Life Remaining (in years) |  |  | 8 years 1 month 6 days |  |
Trade names |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross | 30,447 |  | $ 30,447 |  | 20,448
Accumulated Amortization | (11,176) |  | (11,176) |  | (10,438)
Net | 19,271 |  | $ 19,271 |  | 10,010
Weighted Average Useful Life Remaining (in years) |  |  | 12 years 4 months 24 days |  |
Patent costs |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross | 18,374 |  | $ 18,374 |  | 21,852
Accumulated Amortization | (10,897) |  | (10,897) |  | (11,812)
Net | 7,477 |  | $ 7,477 |  | 10,040
Weighted Average Useful Life Remaining (in years) |  |  | 9 years 1 month 6 days |  |
Trade secrets |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross | 19,398 |  | $ 19,398 |  | 19,924
Accumulated Amortization | (19,176) |  | (19,176) |  | (18,971)
Net | 222 |  | $ 222 |  | 953
Weighted Average Useful Life Remaining (in years) |  |  | 4 months 24 days |  |
Acquired patents |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross | 17,990 |  | $ 17,990 |  | 16,257
Accumulated Amortization | (16,107) |  | (16,107) |  | (15,945)
Net | 1,883 |  | $ 1,883 |  | 312
Weighted Average Useful Life Remaining (in years) |  |  | 12 years 8 months 12 days |  |
Other |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross | 12,686 |  | $ 12,686 |  | 12,982
Accumulated Amortization | (7,883) |  | (7,883) |  | (7,999)
Net | $ 4,803 |  | $ 4,803 |  | $ 4,983
Weighted Average Useful Life Remaining (in years) |  |  | 8 years 4 months 24 days |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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