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Goodwill and Other Identifiable Intangible Assets - Summary of Changes in Net Carrying Values of Intangibles (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Finite Lived Intangible Assets [Line Items] |  |
Gross carrying amount | $ 84,580 | $ 84,282
Accumulated amortization | 15,783 | 6,749
Net amount | $ 68,797 | $ 77,533
Technology |  |
Finite Lived Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 10 years | 10 years
Gross carrying amount | $ 77,700 | $ 77,700
Accumulated amortization | 10,684 | 2,914
Net amount | $ 67,016 | $ 74,786
Licenses |  |
Finite Lived Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 10 years | 10 years
Gross carrying amount | $ 185 | $ 185
Accumulated amortization | 174 | 165
Net amount | $ 11 | $ 20
Patents And Websites |  |
Finite Lived Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 5 years | 5 years
Gross carrying amount | $ 4,488 | $ 4,274
Accumulated amortization | 3,015 | 2,308
Net amount | $ 1,473 | $ 1,966
Customer Relationships |  |
Finite Lived Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 4 years | 4 years
Gross carrying amount | $ 1,474 | $ 1,346
Accumulated amortization | 1,351 | 897
Net amount | 123 | 449
Commercials |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 733 | 777
Accumulated amortization | 559 | 465
Net amount | $ 174 | $ 312
Commercials | Minimum |  |
Finite Lived Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 2 years | 2 years
Commercials | Maximum |  |
Finite Lived Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 3 years | 3 years

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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